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author | Joyce Janczyn <janczyn@cygnus> | 1998-03-24 20:07:22 +0000 |
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committer | Joyce Janczyn <janczyn@cygnus> | 1998-03-24 20:07:22 +0000 |
commit | 7986ea13239271b8a8c82c43158e00e5cb19b4ac (patch) | |
tree | 7235fe0f8f7404bce9773eb3f84fc4b7604e41d4 /sim/mn10300/mn10300.igen | |
parent | 753ad2d3c505aa3b5151dd1c53a99808400b94bc (diff) | |
download | gdb-7986ea13239271b8a8c82c43158e00e5cb19b4ac.zip gdb-7986ea13239271b8a8c82c43158e00e5cb19b4ac.tar.gz gdb-7986ea13239271b8a8c82c43158e00e5cb19b4ac.tar.bz2 |
IGEN input files for mn10300 simulator.
Diffstat (limited to 'sim/mn10300/mn10300.igen')
-rw-r--r-- | sim/mn10300/mn10300.igen | 3520 |
1 files changed, 3520 insertions, 0 deletions
diff --git a/sim/mn10300/mn10300.igen b/sim/mn10300/mn10300.igen new file mode 100644 index 0000000..87eb3fb --- /dev/null +++ b/sim/mn10300/mn10300.igen @@ -0,0 +1,3520 @@ +:option:::insn-bit-size:8 +:option:::insn-specifying-widths:true +:option:::hi-bit-nr:7 +:model:::mn10300:mn10300: + +// What do we do with an illegal instruction? +:internal::::illegal: +{ + sim_io_eprintf (SD, "Illegal instruction at address 0x%lx\n", + (unsigned long) cia); + sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIM_SIGILL); +} + +// 1000 DnDn imm8....; mov imm8,Dn (imm8 is sign extended) +// 1000 DmDn; mov Dm,Dn (Dm != Dn, see above when Dm == Dn) +4.0x8,2.DM1,2.DN0:S0:::mov +"mov" +*mn10300 +{ + PC = cia; + if ( DM1 == DN0 ) + { + // OP_8000 (); + signed32 immed = EXTEND8 (IMEM8_IMMED (cia, 1)); + nia = cia + 2; + State.regs[REG_D0+DN0] = immed; + } + else + { + // OP_80 (); + State.regs[REG_D0+DN0] = State.regs[REG_D0+DM1]; + } +} + + +// 1111 0001 1110 DmAn; mov Dm,An +8.0xf1+1110,2.DM1,2.AN0:D0:::mov +"mov" +*mn10300 +{ + // OP_F1E0 (); + PC = cia; + State.regs[REG_A0 + AN0] = State.regs[REG_D0 + DM1]; +} + + +// 1111 0001 1101 AmDn; mov Am,Dn +8.0xf1+1101,2.AM1,2.DN0:D0a:::mov +"mov" +*mn10300 +{ + // OP_F1D0 (); + PC = cia; + State.regs[REG_D0 + DN0] = State.regs[REG_A0 + AM1]; +} + + +// 1001 AnAn imm8....; mov imm8,An (imm8 is zero-extended) +// 1001 AmAn; mov Am,An (Am != An, save above when Am == An) +4.0x9,2.AM1,2.AN0:S0a:::mov +"mov" +*mn10300 +{ + PC = cia; + if ( AM1 == AN0 ) + { + // OP_9000 (); + unsigned long immed = IMEM8_IMMED (cia, 1); + nia = cia + 2; + State.regs[REG_A0+AN0] = immed; + } + else + { + // OP_90 (); + State.regs[REG_A0+AN0] = State.regs[REG_A0+AM1]; + } +} + + +// 0011 11An; mov SP,An +4.0x3,11,2.AN0:S0b:::mov +"mov" +*mn10300 +{ + // OP_3C (); + PC = cia; + State.regs[REG_A0 + AN0] = State.regs[REG_SP]; +} + + +// 1111 0010 1111 Am00; mov Am,SP +8.0xf2+4.0xf,2.AM1,00:D0b:::mov +"mov" +*mn10300 +{ + // OP_F2F0 (); + PC = cia; + State.regs[REG_SP] = State.regs[REG_A0 + AM1]; +} + + +// 1111 0010 1110 01Dn; mov PSW,Dn +8.0xf2+4.0xe,01,2.DN0:D0c:::mov +"mov" +*mn10300 +{ + // OP_F2E4 (); + PC = cia; + State.regs[REG_D0 + DN0] = PSW; +} + + +// 1111 0010 1111 Dm11; mov Dm,PSW +8.0xf2+4.0xf,2.DM1,11:D0d:::mov +"mov" +*mn10300 +{ + // OP_F2F3 (); + PC = cia; + PSW = State.regs[REG_D0 + DM1]; +} + + +// 1111 0010 1110 00Dn; mov MDR,Dn +8.0xf2+4.0xe,00,2.DN0:D0e:::mov +"mov" +*mn10300 +{ + // OP_F2E0 (); + PC = cia; + State.regs[REG_D0 + DN0] = State.regs[REG_MDR]; +} + + +// 1111 0010 1111 Dm10; mov Dm,MDR +8.0xf2+4.0xf,2.DM1,10:D0f:::mov +"mov" +*mn10300 +{ + // OP_F2F2 (); + PC = cia; + State.regs[REG_MDR] = State.regs[REG_D0 + DM1]; +} + + +// 0111 DnAm; mov (Am),Dn +4.0x7,2.DN1,2.AM0:S0c:::mov +"mov" +*mn10300 +{ + // OP_70 (); + PC = cia; + State.regs[REG_D0 + DN1] = load_word (State.regs[REG_A0 + AM0]); +} + + +// 1111 1000 0000 DnAm d8......; mov (d8,Am),Dn (d8 is sign-extended) +8.0xf8+4.0x0,2.DN1,2.AM0+8.D8:D1:::mov +"mov" +*mn10300 +{ + // OP_F80000 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_word ((State.regs[REG_A0 + AM0] + EXTEND8 (D8))); +} + + +// 1111 1010 0000 DnAm d16.....; mov (d16,Am),Dn (d16 is sign-extended.) +8.0xfa+4.0x0,2.DN1,2.AM0+8.D16A+8.D16B:D2:::mov +"mov" +*mn10300 +{ + // OP_FA000000 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_word ((State.regs[REG_A0 + AM0] + EXTEND16 (FETCH16(D16A, D16B)))); +} + + +// 1111 1100 0000 DnAm d32.....; mov (d32,Am),Dn +8.0xfc+4.0x0,2.DN1,2.AM0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::mov +"mov" +*mn10300 +{ + // OP_FC000000 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_word ((State.regs[REG_A0 + AM0] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D))); +} + + +// 0101 10Dn d8......; mov (d8,SP),Dn (d8 is zero-extended) +4.0x5,10,2.DN0+8.D8:S1:::mov +"mov" +*mn10300 +{ + // OP_5800 (); + PC = cia; + State.regs[REG_D0 + DN0] = load_word (State.regs[REG_SP] + D8); +} + + +// 1111 1010 1011 01Dn d16.....; mov (d16,SP),Dn (d16 is zero-extended.) +8.0xfa+4.0xb,01,2.DN0+8.IMM16A+8.IMM16B:D2a:::mov +"mov" +*mn10300 +{ + // OP_FAB40000 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_word (State.regs[REG_SP] + FETCH16(IMM16A, IMM16B)); +} + + +// 1111 1010 1011 01Dn d32.....; mov (d32,SP),Dn +8.0xfc+4.0xb,01,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4a:::mov +"mov" +*mn10300 +{ + // OP_FCB40000 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_word (State.regs[REG_SP] + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); +} + + +// 1111 0011 00Dn DiAm; mov (Di,Am),Dn +8.0xf3+00,2.DI,2.AM0,2.DN2:D0g:::mov +"mov" +*mn10300 +{ + // OP_F300 (); + PC = cia; + State.regs[REG_D0 + DN2] + = load_word ((State.regs[REG_A0 + AM0] + State.regs[REG_D0 + DI])); +} + + +// 0011 00Dn abs16...; mov (abs16),Dn (abs16 is zero-extended) +4.0x3,00,2.DN0+8.IMM16A+8.IMM16B:S2:::mov +"mov" +*mn10300 +{ + // OP_300000 (); + PC = cia; + State.regs[REG_D0 + DN0] = load_word (FETCH16(IMM16A, IMM16B)); +} + +// 1111 1100 1010 01Dn abs32...; mov (abs32),Dn +8.0xfc+4.0xa,01,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4b:::mov +"mov" +*mn10300 +{ + // OP_FCA40000 (); + PC = cia; + State.regs[REG_D0 + DN0] = load_word (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); +} + + +// 1111 0000 0000 AnAm; mov (Am),An +8.0xf0+4.0x0,2.AN1,2.AM0:D0h:::mov +"mov" +*mn10300 +{ + // OP_F000 (); + PC = cia; + State.regs[REG_A0 + AN1] = load_word (State.regs[REG_A0 + AM0]); +} + + +// 1111 1000 0010 AnAm d8......; mov (d8,Am),An (d8 is sign-extended) +8.0xf8+4.0x2,2.AN1,2.AM0+8.D8:D1a:::mov +"mov" +*mn10300 +{ + // OP_F82000 (); + PC = cia; + State.regs[REG_A0 + AN1] + = load_word ((State.regs[REG_A0 + AM0] + EXTEND8 (D8))); +} + + +// 1111 1010 0010 AnAm d16.....; mov (d16,Am),An (d16 is sign-extended.) +8.0xfa+4.0x2,2.AN1,2.AM0+8.D16A+8.D16B:D2b:::mov +"mov" +*mn10300 +{ + // OP_FA200000 (); + PC = cia; + State.regs[REG_A0 + AN1] + = load_word ((State.regs[REG_A0 + AM0] + + EXTEND16 (FETCH16(D16A, D16B)))); +} + + +// 1111 1100 0010 AnAm d32.....; mov (d32,Am),An +8.0xfc+4.0x2,2.AN1,2.AM0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4c:::mov +"mov" +*mn10300 +{ + // OP_FC200000 (); + PC = cia; + State.regs[REG_A0 + AN1] + = load_word ((State.regs[REG_A0 + AM0] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D))); +} + + +// 0101 11An d8......; mov (d8,SP),An (d8 is zero-extended) +4.0x5,11,2.AN0+8.D8:S1a:::mov +"mov" +*mn10300 +{ + // OP_5C00 (); + PC = cia; + State.regs[REG_A0 + AN0] + = load_word (State.regs[REG_SP] + D8); +} + + +// 1111 1010 1011 00An d16.....; mov (d16,SP),An (d16 is zero-extended.) +8.0xfa+4.0xb,00,2.AN0+8.IMM16A+8.IMM16B:D2c:::mov +"mov" +*mn10300 +{ + // OP_FAB00000 (); + PC = cia; + State.regs[REG_A0 + AN0] + = load_word (State.regs[REG_SP] + FETCH16(IMM16A, IMM16B)); +} + + +// 1111 1100 1011 00An d32.....; mov (d32,SP),An +8.0xfc+4.0xb,00,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4d:::mov +"mov" +*mn10300 +{ + // OP_FCB00000 (); + PC = cia; + State.regs[REG_A0 + AN0] + = load_word (State.regs[REG_SP] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); +} + + +// 1111 0011 10An DiAm; mov (Di,Am),An +8.0xf3+10,2.AN2,2.DI,2.AM0:D0i:::mov +"mov" +*mn10300 +{ + // OP_F380 (); + PC = cia; + State.regs[REG_A0 + AN2] + = load_word ((State.regs[REG_A0 + AM0] + + State.regs[REG_D0 + DI])); +} + + +// 1111 1010 1010 00An abs16...; mov (abs16),An (abs16 is zero-extended) +8.0xfa+4.0xa,00,2.AN0+8.IMM16A+8.IMM16B:D2d:::mov +"mov" +*mn10300 +{ + // OP_FAA00000 (); + PC = cia; + State.regs[REG_A0 + AN0] = load_word (FETCH16(IMM16A, IMM16B)); +} + + +// 1111 1100 1010 00An abs32...; mov (abs32),An +8.0xfc+4.0xa,00,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4e:::mov +"mov" +*mn10300 +{ + // OP_FCA00000 (); + PC = cia; + State.regs[REG_A0 + AN0] + = load_word (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); +} + + +// 1111 1000 1111 00Am d8......; mov (d8,Am),SP (d8 is sign-extended) +8.0xf8+4.0xf,00,2.AM0+8.D8:D1b:::mov +"mov" +*mn10300 +{ + // OP_F8F000 (); + PC = cia; + State.regs[REG_SP] + = load_word ((State.regs[REG_A0 + AM0] + EXTEND8 (D8))); +} + + +// 0110 DmAn; mov Dm,(An) +4.0x6,2.DM1,2.AN0:S0d:::mov +"mov" +*mn10300 +{ + // OP_60 (); + PC = cia; + store_word (State.regs[REG_A0 + AN0], State.regs[REG_D0 + DM1]); +} + + +// 1111 1000 0001 DmAn d8......; mov Dm,(d8,An) (d8 is sign-extended) +8.0xf8+4.0x1,2.DM1,2.AN0+8.D8:D1c:::mov +"mov" +*mn10300 +{ + // OP_F81000 (); + PC = cia; + store_word ((State.regs[REG_A0 + AN0] + EXTEND8 (D8)), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1010 0001 DmAn d16.....; mov Dm,(d16,An) (d16 is sign-extended.) +8.0xfa+4.0x1,2.DM1,2.AN0+8.D16A+8.D16B:D2e:::mov +"mov" +*mn10300 +{ + // OP_FA100000 (); + PC = cia; + store_word ((State.regs[REG_A0 + AN0] + EXTEND16 (FETCH16(D16A, D16B))), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1100 0001 DmAn d32.....; mov Dm,(d32,An) +8.0xfc+4.0x1,2.DM1,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4f:::mov +"mov" +*mn10300 +{ + // OP_FC100000 (); + PC = cia; + store_word ((State.regs[REG_A0 + AN0] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)), + State.regs[REG_D0 + DM1]); +} + + +// 0100 Dm10 d8......; mov Dm,(d8,SP) (d8 is zero-extended) +4.0x4,2.DM1,10+8.D8:S1b:::mov +"mov" +*mn10300 +{ + // OP_4200 (); + PC = cia; + store_word (State.regs[REG_SP] + D8, State.regs[REG_D0 + DM1]); +} + + +// 1111 1010 1001 Dm01 d16.....; mov Dm,(d16,SP) (d16 is zero-extended.) +8.0xfa+4.0x9,2.DM1,01+8.IMM16A+8.IMM16B:D2f:::mov +"mov" +*mn10300 +{ + // OP_FA910000 (); + PC = cia; + store_word (State.regs[REG_SP] + FETCH16(IMM16A, IMM16B), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1100 1001 Dm01 d32.....; mov Dm,(d32,SP) +8.0xfc+4.0x9,2.DM1,01+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4g:::mov +"mov" +*mn10300 +{ + // OP_FC910000 (); + PC = cia; + store_word (State.regs[REG_SP] + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_D0 + DM1]); +} + + +// 1111 0011 01Dm DiAn; mov Dm,(Di,An) +8.0xf3+01,2.DM2,2.DI,2.AN0:D0j:::mov +"mov" +*mn10300 +{ + // OP_F340 (); + PC = cia; + store_word ((State.regs[REG_A0 + AN0] + State.regs[REG_D0 + DI]), + State.regs[REG_D0 + DM2]); +} + + +// 0000 Dm01 abs16..., mov Dm,(abs16) (abs16 is zero-extended). +4.0x0,2.DM1,01+8.IMM16A+8.IMM16B:S2a:::mov +"mov" +*mn10300 +{ + // OP_10000 (); + PC = cia; + store_word (FETCH16(IMM16A, IMM16B), State.regs[REG_D0 + DM1]); +} + + +// 1111 1100 1000 Dm01 abs32...; mov Dm,(abs32) +8.0xfc+4.0x8,2.DM1,01+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4h:::mov +"mov" +*mn10300 +{ + // OP_FC810000 (); + PC = cia; + store_word (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_D0 + DM1]); +} + + +// 1111 0000 0001 AmAn; mov Am,(An) +8.0xf0+4.0x1,2.AM1,2.AN0:D0k:::mov +"mov" +*mn10300 +{ + // OP_F010 (); + PC = cia; + store_word (State.regs[REG_A0 + AN0], State.regs[REG_A0 + AM1]); +} + + +// 1111 1000 0011 AmAn d8......; mov Am,(d8,An) (d8 is sign-extended) +8.0xf8+4.0x3,2.AM1,2.AN0+8.D8:D1d:::mov +"mov" +*mn10300 +{ + // OP_F83000 (); + PC = cia; + store_word ((State.regs[REG_A0 + AN0] + EXTEND8 (D8)), + State.regs[REG_A0 + AM1]); +} + + +// 1111 1010 0011 AmAn d16.....; mov Am,(d16,An) (d16 is sign-extended.) +8.0xfa+4.0x3,2.AM1,2.AN0+8.D16A+8.D16B:D2g:::mov +"mov" +*mn10300 +{ + // OP_FA300000 (); + PC = cia; + store_word ((State.regs[REG_A0 + AN0] + EXTEND16 (FETCH16(D16A, D16B))), + State.regs[REG_A0 + AM1]); +} + + +// 1111 1100 0011 AmAn d32.....; mov Am,(d32,An) +8.0xfc+4.0x3,2.AM1,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4i:::mov +"mov" +*mn10300 +{ + // OP_FC300000 (); + PC = cia; + store_word ((State.regs[REG_A0 + AN0] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)), + State.regs[REG_A0 + AM1]); +} + + +// 0100 Am11 d8......; mov Am,(d8,SP) (d8 is zero-extended) +4.0x4,2.AM1,11+8.D8:S1c:::mov +"mov" +*mn10300 +{ + // OP_4300 (); + PC = cia; + store_word (State.regs[REG_SP] + (D8), State.regs[REG_A0 + (AM1)]); +} + + +// 1111 1010 1001 Am00 d16.....; mov Am,(d16,SP) (d16 is zero-extended.) +8.0xfa+4.0x9,2.AM1,00+8.IMM16A+8.IMM16B:D2h:::mov +"mov" +*mn10300 +{ + // OP_FA900000 (); + PC = cia; + store_word (State.regs[REG_SP] + FETCH16(IMM16A, IMM16B), + State.regs[REG_A0 + AM1]); +} + + +// 1111 1100 1001 Am00 d32.....; mov Am,(d32,SP) +8.0xfc+4.0x9,2.AM1,00+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4j:::mov +"mov" +*mn10300 +{ + // OP_FC900000 (); + PC = cia; + store_word (State.regs[REG_SP] + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_A0 + AM1]); +} + + +// 1111 0011 11Am DiAn; mov Am,(Di,An) +8.0xf3+11,2.AM2,2.DI,2.AN0:D0l:::mov +"mov" +*mn10300 +{ + // OP_F3C0 (); + PC = cia; + store_word ((State.regs[REG_A0 + AN0] + State.regs[REG_D0 + DI]), + State.regs[REG_A0 + AM2]); +} + + +// 1111 1010 1000 Am00 abs16...; mov Am,(abs16) (abs16 is zero-extended) +8.0xfa+4.0x8,2.AM1,00+8.IMM16A+8.IMM16B:D2i:::mov +"mov" +*mn10300 +{ + // OP_FA800000 (); + PC = cia; + store_word (FETCH16(IMM16A, IMM16B), + State.regs[REG_A0 + AM1]); +} + + +// 1111 1100 1000 Am00 abs32...; mov Am,(abs32) +8.0xfc+4.0x8,2.AM1,00+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4k:::mov +"mov" +*mn10300 +{ + // OP_FC800000 (); + PC = cia; + store_word (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_A0 + AM1]); +} + + +// 1111 1000 1111 01An d8......; mov SP,(d8,An) (d8 is sign-extended) +8.0xf8+4.0xf,01,2.AN0+8.D8:D1e:::mov +"mov" +*mn10300 +{ + // OP_F8F400 (); + PC = cia; + store_word (State.regs[REG_A0 + AN0] + EXTEND8 (D8), + State.regs[REG_SP]); +} + + +// 0010 11Dn imm16...; mov imm16,Dn (imm16 is sign-extended) +4.0x2,11,2.DN0+8.IMM16A+8.IMM16B:S2b:::mov +"mov" +*mn10300 +{ + // OP_2C0000 (); + unsigned long value; + + PC = cia; + value = EXTEND16 (FETCH16(IMM16A, IMM16B)); + State.regs[REG_D0 + DN0] = value; +} + + +// 1111 1100 1100 11Dn imm32...; mov imm32,Dn +8.0xfc+4.0xc,11,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4l:::mov +"mov" +*mn10300 +{ + // OP_FCCC0000 (); + unsigned long value; + + PC = cia; + value = FETCH32(IMM32A, IMM32B, IMM32C, IMM32D); + State.regs[REG_D0 + DN0] = value; +} + + +// 0010 01An imm16...; mov imm16,An (imm16 is zero-extended) +4.0x2,01,2.AN0+8.IMM16A+8.IMM16B:S2c:::mov +"mov" +*mn10300 +{ + // OP_240000 (); + unsigned long value; + + PC = cia; + value = FETCH16(IMM16A, IMM16B); + State.regs[REG_A0 + AN0] = value; +} + + +// 1111 1100 1101 11An imm32...; mov imm32,An +8.0xfc+4.0xd,11,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4m:::mov +"mov" +*mn10300 +{ + // OP_FCDC0000 (); + PC = cia; + State.regs[REG_A0 + AN0] = FETCH32(IMM32A, IMM32B, IMM32C, IMM32D); +} + + +// 1111 0000 0100 DnAm; movbu (Am),Dn +8.0xf0+4.0x4,2.DN1,2.AM0:D0:::movbu +"movbu" +*mn10300 +{ + // OP_F040 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_byte (State.regs[REG_A0 + AM0]); +} + + +// 1111 1000 0100 DnAm d8......; movbu (d8,Am),Dn (d8 is sign-extended) +8.0xf8+4.0x4,2.DN1,2.AM0+8.D8:D1f:::movbu +"movbu" +*mn10300 +{ + // OP_F84000 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_byte ((State.regs[REG_A0 + AM0] + EXTEND8 (D8))); +} + + +// 1111 1010 0100 DnAm d16.....; movbu (d16,Am),Dn (d16 is sign-extended.) +8.0xfa+4.0x4,2.DN1,2.AM0+8.D16A+8.D16B:D2:::movbu +"movbu" +*mn10300 +{ + // OP_FA400000 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_byte ((State.regs[REG_A0 + AM0] + + EXTEND16 (FETCH16(D16A, D16B)))); +} + + +// 1111 1100 0100 DnAm d32.....; movbu (d32,Am),Dn +8.0xfc+4.0x4,2.DN1,2.AM0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::movbu +"movbu" +*mn10300 +{ + // OP_FC400000 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_byte ((State.regs[REG_A0 + AM0] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D))); +} + + +// 1111 1000 1011 10Dn d8......; movbu (d8,SP),Dn (d8 is zero-extended) +8.0xf8+4.0xb,10,2.DN0+8.D8:D1a:::movbu +"movbu" +*mn10300 +{ + // OP_F8B800 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_byte ((State.regs[REG_SP] + (D8))); +} + + +// 1111 1010 1011 10Dn d16.....; movbu (d16,SP),Dn (d16 is zero-extended.) +8.0xfa+4.0xb,10,2.DN0+8.IMM16A+8.IMM16B:D2a:::movbu +"movbu" +*mn10300 +{ + // OP_FAB80000 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_byte ((State.regs[REG_SP] + + FETCH16(IMM16A, IMM16B))); +} + + +// 1111 1100 1011 10Dn d32.....; movbu (d32,SP),Dn +8.0xfc+4.0xb,10,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4a:::movbu +"movbu" +*mn10300 +{ + // OP_FCB80000 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_byte (State.regs[REG_SP] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); +} + + +// 1111 0100 00Dn DiAm; movbu (Di,Am),Dn +8.0xf4+00,2.DN2,2.DI,2.AM0:D0a:::movbu +"movbu" +*mn10300 +{ + // OP_F400 (); + PC = cia; + State.regs[REG_D0 + DN2] + = load_byte ((State.regs[REG_A0 + AM0] + + State.regs[REG_D0 + DI])); +} + + +// 0011 01Dn abs16...; movbu (abs16),Dn (abs16 is zero-extended) +4.0x3,01,2.DN0+8.IMM16A+8.IMM16B:S2:::movbu +"movbu" +*mn10300 +{ + // OP_340000 (); + PC = cia; + State.regs[REG_D0 + DN0] = load_byte (FETCH16(IMM16A, IMM16B)); +} + + +// 1111 1100 1010 10Dn abs32...; movbu (abs32),Dn +8.0xfc+4.0xa,10,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4b:::movbu +"movbu" +*mn10300 +{ + // OP_FCA80000 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_byte (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); +} + + +// 1111 0000 0101 DmAn; movbu Dm,(An) +8.0xf0+4.0x5,2.DM1,2.AN0:D0b:::movbu +"movbu" +*mn10300 +{ + // OP_F050 (); + PC = cia; + store_byte (State.regs[REG_A0 + AN0], State.regs[REG_D0 + DM1]); +} + + +// 1111 1000 0101 DmAn d8......; movbu Dm,(d8,An) (d8 is sign-extended) +8.0xf8+4.0x5,2.DM1,2.AN0+8.D8:D1b:::movbu +"movbu" +*mn10300 +{ + // OP_F85000 (); + PC = cia; + store_byte ((State.regs[REG_A0 + AN0] + EXTEND8 (D8)), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1010 0101 DmAn d16.....; movbu Dm,(d16,An) (d16 is sign-extended.) +8.0xfa+4.0x5,2.DM1,2.AN0+8.D16A+8.D16B:D2b:::movbu +"movbu" +*mn10300 +{ + // OP_FA500000 (); + PC = cia; + store_byte ((State.regs[REG_A0 + AN0] + EXTEND16 (FETCH16(D16A, D16B))), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1100 0101 DmAn d32.....; movbu Dm,(d32,An) +8.0xfc+4.0x5,2.DM1,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4c:::movbu +"movbu" +*mn10300 +{ + // OP_FC500000 (); + PC = cia; + store_byte ((State.regs[REG_A0 + AN0] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1000 1001 Dm10 d8......; movbu Dm,(d8,SP) (d8 is zero-extended) +8.0xf8+4.0x9,2.DM1,10+8.D8:D1c:::movbu +"movbu" +*mn10300 +{ + // OP_F89200 (); + PC = cia; + store_byte (State.regs[REG_SP] + (D8), State.regs[REG_D0 + DM1]); +} + + +// 1111 1010 1001 Dm10 d16.....; movbu Dm,(d16,SP) (d16 is zero-extended.) +8.0xfa+4.0x9,2.DM1,10+8.IMM16A+8.IMM16B:D2c:::movbu +"movbu" +*mn10300 +{ + // OP_FA920000 (); + PC = cia; + store_byte (State.regs[REG_SP] + FETCH16(IMM16A, IMM16B), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1100 1001 Dm10 d32.....; movbu Dm,(d32,SP) +8.0xfc+4.0x9,2.DM1,10+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4d:::movbu +"movbu" +*mn10300 +{ + // OP_FC920000 (); + PC = cia; + store_byte (State.regs[REG_SP] + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_D0 + DM1]); +} + + +// 1111 0100 01Dm DiAn; movbu Dm,(Di,An) +8.0xf4+01,2.DM2,2.DI,2.AN0:D0c:::movbu +"movbu" +*mn10300 +{ + // OP_F440 (); + PC = cia; + store_byte ((State.regs[REG_A0 + AN0] + State.regs[REG_D0 + DI]), + State.regs[REG_D0 + DM2]); +} + + +// 0000 Dm10 abs16...; movbu Dm,(abs16) (abs16 is zero-extended) +4.0x0,2.DM1,10+8.IMM16A+8.IMM16B:S2a:::movbu +"movbu" +*mn10300 +{ + // OP_20000 (); + PC = cia; + store_byte (FETCH16(IMM16A, IMM16B), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1100 1000 Dm10 abs32...; movbu Dm,(abs32) +8.0xfc+4.0x8,2.DM1,10+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4e:::movbu +"movbu" +*mn10300 +{ + // OP_FC820000 (); + PC = cia; + store_byte (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_D0 + DM1]); +} + + +// 1111 0000 0110 DnAm; movhu (Am),Dn +8.0xf0+4.0x6,2.DN1,2.AM0:D0:::movhu +"movhu" +*mn10300 +{ + // OP_F060 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_half (State.regs[REG_A0 + AM0]); +} + + +// 1111 1000 0110 DnAm d8......; movhu (d8,Am),Dn (d8 is sign-extended) +8.0xf8+4.0x6,2.DN1,2.AM0+8.D8:D1d:::movhu +"movhu" +*mn10300 +{ + // OP_F86000 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_half ((State.regs[REG_A0 + AM0] + EXTEND8 (D8))); +} + + +// 1111 1010 0110 DnAm d16.....; movhu (d16,Am),Dn (d16 is sign-extended.) +8.0xfa+4.0x6,2.DN1,2.AM0+8.D16A+8.D16B:D2:::movhu +"movhu" +*mn10300 +{ + // OP_FA600000 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_half ((State.regs[REG_A0 + AM0] + + EXTEND16 (FETCH16(D16A, D16B)))); +} + + +// 1111 1100 0110 DnAm d32.....; movhu (d32,Am),Dn +8.0xfc+4.0x6,2.DN1,2.AM0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::movhu +"movhu" +*mn10300 +{ + // OP_FC600000 (); + PC = cia; + State.regs[REG_D0 + DN1] + = load_half ((State.regs[REG_A0 + AM0] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D))); +} + + +// 1111 1000 1011 11Dn d8.....; movhu (d8,SP),Dn (d8 is zero-extended) +8.0xf8+4.0xb,11,2.DN0+8.D8:D1a:::movhu +"movhu" +*mn10300 +{ + // OP_F8BC00 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_half ((State.regs[REG_SP] + (D8))); +} + + +// 1111 1010 1011 11Dn d16.....; movhu (d16,SP),Dn (d16 is zero-extended.) +8.0xfa+4.0xb,11,2.DN0+8.IMM16A+8.IMM16B:D2a:::movhu +"movhu" +*mn10300 +{ + // OP_FABC0000 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_half ((State.regs[REG_SP] + FETCH16(IMM16A, IMM16B))); +} + + +// 1111 1100 1011 11Dn d32.....; movhu (d32,SP),Dn +8.0xfc+4.0xb,11,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4a:::movhu +"movhu" +*mn10300 +{ + // OP_FCBC0000 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_half (State.regs[REG_SP] + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); +} + + +// 1111 0100 10Dn DiAm; movhu (Di,Am),Dn +8.0xf4+10,2.DN2,2.DI,2.AM0:D0a:::movhu +"movhu" +*mn10300 +{ + // OP_F480 (); + PC = cia; + State.regs[REG_D0 + DN2] + = load_half ((State.regs[REG_A0 + AM0] + State.regs[REG_D0 + DI])); +} + + +// 0011 10Dn abs16...; movhu (abs16),Dn (abs16 is zero-extended) +4.0x3,10,2.DN0+8.IMM16A+8.IMM16B:S2:::movhu +"movhu" +*mn10300 +{ + // OP_380000 (); + PC = cia; + State.regs[REG_D0 + DN0] = load_half (FETCH16(IMM16A, IMM16B)); +} + + +// 1111 1100 1010 11Dn abs32...; movhu (abs32),Dn +8.0xfc+4.0xa,11,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4b:::movhu +"movhu" +*mn10300 +{ + // OP_FCAC0000 (); + PC = cia; + State.regs[REG_D0 + DN0] + = load_half (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); +} + + +// 1111 0000 0111 DmAn; movhu Dm,(An) +8.0xf0+4.0x7,2.DM1,2.AN0:D0b:::movhu +"movhu" +*mn10300 +{ + // OP_F070 (); + PC = cia; + store_half (State.regs[REG_A0 + AN0], + State.regs[REG_D0 + DM1]); +} + + +// 1111 1000 0111 DmAn d8......; movhu Dm,(d8,An) (d8 is sign-extended) +8.0xf8+4.0x7,2.DM1,2.AN0+8.D8:D1b:::movhu +"movhu" +*mn10300 +{ + // OP_F87000 (); + PC = cia; + store_half ((State.regs[REG_A0 + AN0] + EXTEND8 (D8)), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1010 0111 DnAm d16.....; movhu Dm,(d16,An) (d16 is sign-extended.) +8.0xfa+4.0x7,2.DM1,2.AN0+8.D16A+8.D16B:D2b:::movhu +"movhu" +*mn10300 +{ + // OP_FA700000 (); + PC = cia; + store_half ((State.regs[REG_A0 + AN0] + EXTEND16 (FETCH16(D16A, D16B))), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1100 0111 DmAn d32.....; movhu Dm,(d32,An) +8.0xfc+4.0x7,2.DM1,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4c:::movhu +"movhu" +*mn10300 +{ + // OP_FC700000 (); + PC = cia; + store_half ((State.regs[REG_A0 + AN0] + + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1000 1001 Dm11 d8....; movhu Dm,(d8,SP) (d8 is zero-extended) +8.0xf8+4.0x9,2.DM1,11+8.D8:D1c:::movhu +"movhu" +*mn10300 +{ + // OP_F89300 (); + PC = cia; + store_half (State.regs[REG_SP] + (D8), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1010 1001 Dm11 d16.....; movhu Dm,(d16,SP) (d16 is zero-extended.) +8.0xfa+4.0x9,2.DM1,11+8.IMM16A+8.IMM16B:D2c:::movhu +"movhu" +*mn10300 +{ + // OP_FA930000 (); + PC = cia; + store_half (State.regs[REG_SP] + FETCH16(IMM16A, IMM16B), + State.regs[REG_D0 + DM1]); +} + + +// 1111 1100 1001 Dm11 d32.....; movhu Dm,(d32,SP) +8.0xfc+4.0x9,2.DM1,11+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4d:::movhu +"movhu" +*mn10300 +{ + // OP_FC930000 (); + PC = cia; + store_half (State.regs[REG_SP] + FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_D0 + DM1]); +} + + +// 1111 0100 11Dm DiAn; movhu Dm,(Di,An) +8.0xf4+11,2.DM2,2.DI,2.AN0:D0c:::movhu +"movhu" +*mn10300 +{ + // OP_F4C0 (); + PC = cia; + store_half ((State.regs[REG_A0 + AN0] + State.regs[REG_D0 + DI]), + State.regs[REG_D0 + DM2]); +} + + +// 0000 Dm11 abs16...; movhu Dm,(abs16) (abs16 is zero-extended) +4.0x0,2.DM1,11+8.IMM16A+8.IMM16B:S2a:::movhu +"movhu" +*mn10300 +{ + // OP_30000 (); + PC = cia; + store_half (FETCH16(IMM16A, IMM16B), State.regs[REG_D0 + DM1]); +} + + +// 1111 1100 1000 Dm11 abs32...; movhu Dm,(abs32) +8.0xfc+4.0x8,2.DM1,11+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4e:::movhu +"movhu" +*mn10300 +{ + // OP_FC830000 (); + PC = cia; + store_half (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_D0 + DM1]); +} + + +// 1111 0010 1101 00Dn; ext Dn +8.0xf2+4.0xd,00,2.DN0:D0:::ext +"ext" +*mn10300 +{ + // OP_F2D0 (); + PC = cia; + if (State.regs[REG_D0 + DN0] & 0x80000000) + State.regs[REG_MDR] = -1; + else + State.regs[REG_MDR] = 0; +} + + +// 0001 00Dn; extb Dn +4.0x1,00,2.DN0:S0:::extb +"extb" +*mn10300 +{ + // OP_10 (); + PC = cia; + State.regs[REG_D0 + DN0] = EXTEND8 (State.regs[REG_D0 + DN0]); +} + + +// 0001 01Dn; extbu Dn +4.0x1,01,2.DN0:S0:::extbu +"extbu" +*mn10300 +{ + // OP_14 (); + PC = cia; + State.regs[REG_D0 + DN0] &= 0xff; +} + + +// 0001 10Dn; exth Dn +4.0x1,10,2.DN0:S0:::exth +"exth" +*mn10300 +{ + // OP_18 (); + PC = cia; + State.regs[REG_D0 + DN0] = EXTEND16 (State.regs[REG_D0 + DN0]); +} + + +// 0001 11Dn; exthu Dn +4.0x1,11,2.DN0:S0:::exthu +"exthu" +*mn10300 +{ + // OP_1C (); + PC = cia; + State.regs[REG_D0 + DN0] &= 0xffff; +} + + +// 1100 1110 regs....; movm (SP),regs +8.0xce+8.REGS:S1:::movm +"movm" +*mn10300 +{ + // OP_CE00 (); + unsigned long sp = State.regs[REG_SP]; + unsigned long mask; + + PC = cia; + mask = REGS; + + if (mask & 0x8) + { + sp += 4; + State.regs[REG_LAR] = load_word (sp); + sp += 4; + State.regs[REG_LIR] = load_word (sp); + sp += 4; + State.regs[REG_MDR] = load_word (sp); + sp += 4; + State.regs[REG_A0 + 1] = load_word (sp); + sp += 4; + State.regs[REG_A0] = load_word (sp); + sp += 4; + State.regs[REG_D0 + 1] = load_word (sp); + sp += 4; + State.regs[REG_D0] = load_word (sp); + sp += 4; + } + + if (mask & 0x10) + { + State.regs[REG_A0 + 3] = load_word (sp); + sp += 4; + } + + if (mask & 0x20) + { + State.regs[REG_A0 + 2] = load_word (sp); + sp += 4; + } + + if (mask & 0x40) + { + State.regs[REG_D0 + 3] = load_word (sp); + sp += 4; + } + + if (mask & 0x80) + { + State.regs[REG_D0 + 2] = load_word (sp); + sp += 4; + } + + /* And make sure to update the stack pointer. */ + State.regs[REG_SP] = sp; +} + + +// 1100 1111 regs....; movm regs,(SP) +8.0xcf+8.REGS:S1a:::movm +"movm" +*mn10300 +{ + // OP_CF00 (); + unsigned long sp = State.regs[REG_SP]; + unsigned long mask; + + PC = cia; + mask = REGS; + + if (mask & 0x80) + { + sp -= 4; + store_word (sp, State.regs[REG_D0 + 2]); + } + + if (mask & 0x40) + { + sp -= 4; + store_word (sp, State.regs[REG_D0 + 3]); + } + + if (mask & 0x20) + { + sp -= 4; + store_word (sp, State.regs[REG_A0 + 2]); + } + + if (mask & 0x10) + { + sp -= 4; + store_word (sp, State.regs[REG_A0 + 3]); + } + + if (mask & 0x8) + { + sp -= 4; + store_word (sp, State.regs[REG_D0]); + sp -= 4; + store_word (sp, State.regs[REG_D0 + 1]); + sp -= 4; + store_word (sp, State.regs[REG_A0]); + sp -= 4; + store_word (sp, State.regs[REG_A0 + 1]); + sp -= 4; + store_word (sp, State.regs[REG_MDR]); + sp -= 4; + store_word (sp, State.regs[REG_LIR]); + sp -= 4; + store_word (sp, State.regs[REG_LAR]); + sp -= 4; + } + + /* And make sure to update the stack pointer. */ + State.regs[REG_SP] = sp; +} + + +// 0000 Dn00; clr Dn +4.0x0,2.DN1,00:S0:::clr +"clr" +*mn10300 +{ + // OP_0 (); + PC = cia; + State.regs[REG_D0 + DN1] = 0; + + PSW |= PSW_Z; + PSW &= ~(PSW_V | PSW_C | PSW_N); +} + + +// 1110 DmDn; add Dm,Dn +4.0xe,2.DM1,2.DN0:S0:::add +"add" +*mn10300 +{ + // OP_E0 (); + PC = cia; + genericAdd(State.regs[REG_D0 + DM1], REG_D0 + DN0); +} + +// 1111 0001 0110 DmAn; add Dm,An +8.0xf1+4.0x6,2.DM1,2.AN0:D0:::add +"add" +*mn10300 +{ + // OP_F160 (); + int z, c, n, v; + unsigned long reg1, reg2, value; + + PC = cia; + genericAdd(State.regs[REG_D0 + DM1], REG_A0 + AN0); +} + + +// 1111 0001 0101 AmDn; add Am,Dn +8.0xf1+4.0x5,2.AM1,2.DN0:D0a:::add +"add" +*mn10300 +{ + // OP_F150 (); + PC = cia; + genericAdd(State.regs[REG_A0 + AM1], REG_D0 + DN0); +} + + +// 1111 0001 0111 AmAn; add Am,An +8.0xf1+4.0x7,2.AM1,2.AN0:D0b:::add +"add" +*mn10300 +{ + // OP_F170 (); + PC = cia; + genericAdd(State.regs[REG_A0 + AM1], REG_A0 + AN0); +} + + +// 0010 10Dn imm8....; add imm8,Dn (imm8 is sign-extended) +4.0x2,10,2.DN0+8.IMM8:S1:::add +"add" +*mn10300 +{ + // OP_2800 (); + PC = cia; + genericAdd(EXTEND8(IMM8), REG_D0 + DN0); +} + + +// 1111 1010 1100 00Dn imm16...; add imm16,Dn +8.0xfa+4.0xc,00,2.DN0+8.IMM16A+8.IMM16B:D2:::add +"add" +*mn10300 +{ + // OP_FAC00000 (); + PC = cia; + genericAdd(EXTEND16(FETCH16(IMM16A, IMM16B)), REG_D0 + DN0); +} + + +// 1111 1100 1100 00Dn imm32...; add imm32,Dn +8.0xfc+4.0xc,00,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::add +"add" +*mn10300 +{ + // OP_FCC00000 (); + PC = cia; + genericAdd(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), REG_D0 + DN0); +} + + +// 0010 00An imm8....; add imm8,An (imm8 is sign-extended) +4.0x2,00,2.AN0+8.IMM8:S1a:::add +"add" +*mn10300 +{ + // OP_2000 (); + PC = cia; + genericAdd(EXTEND8(IMM8), REG_A0 + AN0); +} + + +// 1111 1010 1101 00An imm16...; add imm16,An (imm16 is sign-extended.) +8.0xfa+4.0xd,00,2.AN0+8.IMM16A+8.IMM16B:D2a:::add +"add" +*mn10300 +{ + // OP_FAD00000 (); + PC = cia; + genericAdd(EXTEND16(FETCH16(IMM16A, IMM16B)), REG_A0 + AN0); +} + + +// 1111 1100 1101 00An imm32...; add imm32,An +8.0xfc+4.0xd,00,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4a:::add +"add" +*mn10300 +{ + // OP_FCD00000 (); + PC = cia; + genericAdd(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), REG_A0 + AN0); +} + + +// 1111 1000 1111 1110 imm8....; add imm8,SP (imm8 is sign-extended.) +8.0xf8+8.0xfe+8.IMM8:D1:::add +"add" +*mn10300 +{ + // OP_F8FE00 (); + unsigned long imm; + + // Note: no PSW changes. + PC = cia; + imm = EXTEND8 (IMM8); + State.regs[REG_SP] += imm; +} + + +// 1111 1010 1111 1110 imm16...; add imm16,SP (imm16 is sign-extended.) +8.0xfa+8.0xfe+8.IMM16A+8.IMM16B:D2b:::add +"add" +*mn10300 +{ + // OP_FAFE0000 (); + unsigned long imm; + + // Note: no PSW changes. + PC = cia; + imm = EXTEND16 (FETCH16(IMM16A, IMM16B)); + State.regs[REG_SP] += imm; +} + + +// 1111 1100 1111 1110 imm32...; add imm32,SP +8.0xfc+8.0xfe+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4b:::add +"add" +*mn10300 +{ + // OP_FCFE0000 (); + unsigned long imm; + + // Note: no PSW changes. + PC = cia; + imm = FETCH32(IMM32A, IMM32B, IMM32C, IMM32D); + State.regs[REG_SP] += imm; +} + + +// 1111 0001 0100 DmDn; addc Dm,Dn +8.0xf1+4.0x4,2.DM1,2.DN0:D0:::addc +"addc" +*mn10300 +{ + // OP_F140 (); + int z, c, n, v; + unsigned long reg1, reg2, sum; + + PC = cia; + reg1 = State.regs[REG_D0 + DM1]; + reg2 = State.regs[REG_D0 + DN0]; + sum = reg1 + reg2 + ((PSW & PSW_C) != 0); + State.regs[REG_D0 + DN0] = sum; + + z = (sum == 0); + n = (sum & 0x80000000); + c = (sum < reg1) || (sum < reg2); + v = ((reg2 & 0x80000000) == (reg1 & 0x80000000) + && (reg2 & 0x80000000) != (sum & 0x80000000)); + + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) + | (c ? PSW_C : 0) | (v ? PSW_V : 0)); +} + + +// 1111 0001 0000 DmDn; sub Dm,Dn +8.0xf1+4.0x0,2.DM1,2.DN0:D0:::sub +"sub" +*mn10300 +{ + // OP_F100 (); + PC = cia; + genericSub(State.regs[REG_D0 + DM1], REG_D0 + DN0); +} + +// 1111 0001 0010 DmAn; sub DmAn +8.0xf1+4.0x2,2.DM1,2.AN0:D0a:::sub +"sub" +*mn10300 +{ + // OP_F120 (); + PC = cia; + genericSub(State.regs[REG_D0 + DM1], REG_A0 + AN0); +} + + +// 1111 0001 0001 AmDn; sub AmDn +8.0xf1+4.0x1,2.AM1,2.DN0:D0b:::sub +"sub" +*mn10300 +{ + // OP_F110 (); + PC = cia; + genericSub(State.regs[REG_A0 + AM1], REG_D0 + DN0); +} + + +// 1111 0001 0011 AmAn; sub Am,An +8.0xf1+4.0x3,2.AM1,2.AN0:D0c:::sub +"sub" +*mn10300 +{ + // OP_F130 (); + PC = cia; + genericSub(State.regs[REG_A0 + AM1], REG_A0 + AN0); +} + + +// 1111 1100 1100 01Dn imm32...; sub imm32,Dn +8.0xfc+4.0xc,01,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::sub +"sub" +*mn10300 +{ + // OP_FCC40000 (); + PC = cia; + genericSub(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), REG_D0 + DN0); +} + + +// 1111 1100 1101 01An imm32...; sub imm32,An +8.0xfc+4.0xd,01,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4a:::sub +"sub" +*mn10300 +{ + // OP_FCD40000 (); + PC = cia; + genericSub(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), REG_A0 + AN0); +} + + +// 1111 0001 1000 DmDn; subc Dm,Dn +8.0xf1+4.0x8,2.DM1,2.DN0:D0:::subc +"subc" +*mn10300 +{ + // OP_F180 (); + int z, c, n, v; + unsigned long reg1, reg2, difference; + + PC = cia; + reg1 = State.regs[REG_D0 + DM1]; + reg2 = State.regs[REG_D0 + DN0]; + difference = reg2 - reg1 - ((PSW & PSW_C) != 0); + State.regs[REG_D0 + DN0] = difference; + + z = (difference == 0); + n = (difference & 0x80000000); + c = (reg1 > reg2); + v = ((reg2 & 0x80000000) != (reg1 & 0x80000000) + && (reg2 & 0x80000000) != (difference & 0x80000000)); + + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) + | (c ? PSW_C : 0) | (v ? PSW_V : 0)); +} + + +// 1111 0010 0100 DmDn; mul Dm,Dn +8.0xf2+4.0x4,2.DM1,2.DN0:D0:::mul +"mul" +*mn10300 +{ + // OP_F240 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((signed64)(signed32)State.regs[REG_D0 + DN0] + * (signed64)(signed32)State.regs[REG_D0 + DM1]); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDR] = (temp & 0xffffffff00000000LL) >> 32;; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 0010 0101 DmDn; mulu Dm,Dn +8.0xf2+4.0x5,2.DM1,2.DN0:D0:::mulu +"mulu" +*mn10300 +{ + // OP_F250 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((unsigned64)State.regs[REG_D0 + DN0] + * (unsigned64)State.regs[REG_D0 + DM1]); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDR] = (temp & 0xffffffff00000000LL) >> 32; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 0010 0110 DmDn; div Dm,Dn +8.0xf2+4.0x6,2.DM1,2.DN0:D0:::div +"div" +*mn10300 +{ + // OP_F260 (); + long long temp; + int n, z; + + PC = cia; + temp = State.regs[REG_MDR]; + temp <<= 32; + temp |= State.regs[REG_D0 + DN0]; + State.regs[REG_MDR] = temp % (long)State.regs[REG_D0 + DM1]; + temp /= (long)State.regs[REG_D0 + DM1]; + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 0010 0111 DmDn; divu Dm,Dn +8.0xf2+4.0x7,2.DM1,2.DN0:D0:::divu +"divu" +*mn10300 +{ + // OP_F270 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = State.regs[REG_MDR]; + temp <<= 32; + temp |= State.regs[REG_D0 + DN0]; + State.regs[REG_MDR] = temp % State.regs[REG_D0 + DM1]; + temp /= State.regs[REG_D0 + DM1]; + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 0100 Dn00; inc Dn +4.0x4,2.DN1,00:S0:::inc +"inc" +*mn10300 +{ + // OP_40 (); + unsigned int imm; + + PC = cia; + imm = 1; + genericAdd(imm, REG_D0 + DN1); +} + + +// 0100 An01 +4.0x4,2.AN1,01:S0a:::inc +"inc" +*mn10300 +{ + // OP_41 (); + PC = cia; + State.regs[REG_A0 + AN1] += 1; +} + + +// 0101 00An; inc4 An +4.0x5,00,2.AN0:S0:::inc4 +"inc4" +*mn10300 +{ + // OP_50 (); + PC = cia; + State.regs[REG_A0 + AN0] += 4; +} + + +// 1010 DnDn imm8....; cmp imm8,Dn (imm8 is sign-extended.) +// 1010 DmDn; cmp Dm,Dn (Dm != Dn, see above when Dm == Dn) +4.0xa,2.DM1,2.DN0:S0:::cmp +"cmp" +*mn10300 +{ + PC = cia; + if ( DM1 == DN0 ) + { + signed32 immed = EXTEND8 (IMEM8_IMMED (cia, 1)); + nia = cia + 2; + // OP_A000 (); + genericCmp(immed, State.regs[REG_D0 + DN0]); + } + else + { + // OP_A0 (); + genericCmp(State.regs[REG_D0 + DM1], State.regs[REG_D0 + DN0]); + } +} + + +// 1111 0001 1010 DmAn; cmp Dm,An +8.0xf1+4.0xa,2.DM1,2.AN0:D0:::cmp +"cmp" +*mn10300 +{ + // OP_F1A0 (); + PC = cia; + genericCmp(State.regs[REG_D0 + DM1], State.regs[REG_A0 + AN0]); +} + + +// 1111 0001 1001 AmDn; cmp Am,Dn +8.0xf1+4.0x9,2.AM1,2.DN0:D0a:::cmp +"cmp" +*mn10300 +{ + // OP_F190 (); + PC = cia; + genericCmp(State.regs[REG_A0 + AM1], State.regs[REG_D0 + DN0]); +} + + +// 1011 AnAn imm8....; cmp imm8,An (imm8 is zero-extended.) +// 1011 AmAn; cmp Am,An (Dm != Dn, see above when Dm == Dn) +4.0xb,2.AM1,2.AN0:S0a:::cmp +"cmp" +*mn10300 +{ + PC = cia; + if ( AM1 == AN0 ) + { + // op_B000 (); + genericCmp(EXTEND8 (IMEM8_IMMED (cia, 1)), + State.regs[REG_A0 + AN0]); + nia = cia + 2; + } + else + { + // OP_B0 (); + genericCmp(State.regs[REG_A0 + AM1], State.regs[REG_A0 + AN0]); + } +} + + +// 1111 1010 1100 10Dn imm16...; cmp imm16,Dn (imm16 is sign-extended.) +8.0xfa+4.0xc,10,2.DN0+8.IMM16A+8.IMM16B:D2:::cmp +"cmp" +*mn10300 +{ + // OP_FAC80000 (); + PC = cia; + genericCmp(EXTEND16(FETCH16(IMM16A, IMM16B)), + State.regs[REG_D0 + DN0]); +} + + +// 1111 1100 1100 10Dn imm32...; cmp imm32,Dn +8.0xfc+4.0xc,10,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::cmp +"cmp" +*mn10300 +{ + // OP_FCC80000 (); + PC = cia; + genericCmp(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_D0 + DN0]); +} + + +// 1111 1010 1101 10An imm16...; cmp imm16,An (imm16 is zero-extended.) +8.0xfa+4.0xd,10,2.AN0+8.IMM16A+8.IMM16B:D2a:::cmp +"cmp" +*mn10300 +{ + // OP_FAD80000 (); + PC = cia; + genericCmp(FETCH16(IMM16A, IMM16B), + State.regs[REG_A0 + AN0]); +} + + +// 1111 1100 1101 10An imm32...; cmp imm32,An +8.0xfc+4.0xd,10,2.AN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4a:::cmp +"cmp" +*mn10300 +{ + // OP_FCD80000 (); + PC = cia; + genericCmp(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_A0 + AN0]); +} + + +// 1111 0010 0000 DmDn; and Dm,Dn +8.0xf2+4.0x0,2.DM1,2.DN0:D0:::and +"and" +*mn10300 +{ + // OP_F200 (); + int n, z; + + PC = cia; + State.regs[REG_D0 + DN0] &= State.regs[REG_D0 + DM1]; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1000 1110 00Dn imm8....; and imm8,Dn (imm8 is zero-extended.) +8.0xf8+4.0xe,00,2.DN0+8.IMM8:D1:::and +"and" +*mn10300 +{ + // OP_F8E000 (); + int n, z; + + PC = cia; + State.regs[REG_D0 + DN0] &= IMM8; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1010 1110 00Dn imm16...; and imm16,Dn (imm16 is zero-extended.) +8.0xfa+4.0xe,00,2.DN0+8.IMM16A+8.IMM16B:D2:::and +"and" +*mn10300 +{ + // OP_FAE00000 (); + int n, z; + + PC = cia; + State.regs[REG_D0 + DN0] &= FETCH16(IMM16A, IMM16B); + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1100 1110 00Dn imm32...; and imm32,Dn +8.0xfc+4.0xe,00,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::and +"and" +*mn10300 +{ + // OP_FCE00000 (); + int n, z; + + PC = cia; + State.regs[REG_D0 + DN0] + &= FETCH32(IMM32A, IMM32B, IMM32C, IMM32D); + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1010 1111 1100 imm16...; and imm16,PSW (imm16 is zero-extended.) +8.0xfa+8.0xfc+8.IMM16A+8.IMM16B:D2a:::and +"and" +*mn10300 +{ + // OP_FAFC0000 (); + PC = cia; + PSW &= FETCH16(IMM16A, IMM16B); +} + + + +// 1111 0010 0001 DmDn; or DmDn +8.0xf2+4.0x1,2.DM1,2.DN0:D0:::or +"or" +*mn10300 +{ + // OP_F210 (); + PC = cia; + genericOr(State.regs[REG_D0 + DM1], REG_D0 + DN0); +} + + +// 1111 1000 1110 01Dn imm8....; or imm8,Dn (imm8 is zero-extended.)n +8.0xf8+4.0xe,01,2.DN0+8.IMM8:D1:::or +"or" +*mn10300 +{ + // OP_F8E400 (); + PC = cia; + genericOr(IMM8, REG_D0 + DN0); +} + + +// 1111 1010 1110 01Dn imm16...; or imm16,DN (imm16 is zero-extended.) +8.0xfa+4.0xe,01,2.DN0+8.IMM16A+8.IMM16B:D2:::or +"or" +*mn10300 +{ + // OP_FAE40000 (); + PC = cia; + genericOr(FETCH16(IMM16A, IMM16B), REG_D0 + DN0); +} + + +// 1111 1100 1110 01Dn imm32...; or imm32,Dn +8.0xfc+4.0xe,01,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::or +"or" +*mn10300 +{ + // OP_FCE40000 (); + PC = cia; + genericOr(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), REG_D0 + DN0); +} + + +// 1111 1010 1111 1101 imm16...; or imm16,PSW (imm16 is zero-extended.) +8.0xfa+8.0xfd+8.IMM16A+8.IMM16B:D2a:::or +"or" +*mn10300 +{ + // OP_FAFD0000 (); + PC = cia; + PSW |= FETCH16(IMM16A, IMM16B); +} + + +// 1111 0010 0010 DmDn; xor Dm,Dn +8.0xf2+4.0x2,2.DM1,2.DN0:D0:::xor +"xor" +*mn10300 +{ + // OP_F220 (); + PC = cia; + genericXor(State.regs[REG_D0 + DM1], REG_D0 + DN0); +} + + +// 1111 1010 1110 10Dn imm16...; xor imm16,Dn (imm16 is zero-extended.) +8.0xfa+4.0xe,10,2.DN0+8.IMM16A+8.IMM16B:D2:::xor +"xor" +*mn10300 +{ + // OP_FAE80000 (); + PC = cia; + genericXor(FETCH16(IMM16A, IMM16B), REG_D0 + DN0); +} + + +// 1111 1100 1110 10Dn imm32...; xor imm32,Dn +8.0xfc+4.0xe,10,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::xor +"xor" +*mn10300 +{ + // OP_FCE80000 (); + PC = cia; + genericXor(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), REG_D0 + DN0); +} + + +// 1111 0010 0011 00Dn; not Dn +8.0xf2+4.0x3,00,2.DN0:D0:::not +"not" +*mn10300 +{ + // OP_F230 (); + int n, z; + + PC = cia; + State.regs[REG_D0 + DN0] = ~State.regs[REG_D0 + DN0]; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1000 1110 11Dn imm8....; btst imm8,Dn (imm8 is zero-extended.) +8.0xf8+4.0xe,11,2.DN0+8.IMM8:D1:::btst +"btst" +*mn10300 +{ + // OP_F8EC00 (); + PC = cia; + genericBtst(IMM8, State.regs[REG_D0 + DN0]); +} + + +// 1111 1010 1110 11Dn imm16.....; btst imm16,Dn (imm16 is zero-extended.) +8.0xfa+4.0xe,11,2.DN0+8.IMM16A+8.IMM16B:D2:::btst +"btst" +*mn10300 +{ + // OP_FAEC0000 (); + PC = cia; + genericBtst(FETCH16(IMM16A, IMM16B), State.regs[REG_D0 + DN0]); +} + + +// 1111 1100 1110 11Dn imm32...; btst imm32,Dn +8.0xfc+4.0xe,11,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::btst +"btst" +*mn10300 +{ + // OP_FCEC0000 (); + PC = cia; + genericBtst(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), + State.regs[REG_D0 + DN0]); +} + + +// 1111 1110 0000 0010 abs32... imm8....; btst imm8,(abs32) (imm8 is zero-extended., processing unit: byte) +8.0xfe+8.0x02+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D+8.IMM8:D5:::btst +"btst" +*mn10300 +{ + // OP_FE020000 (); + PC = cia; + genericBtst(IMM8, + load_byte(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D))); +} + + +// 1111 1010 1111 10An d8...... imm8....; +// btst imm8,(d8,An) (d8 is sign-extended,imm8 is zero-extended., processing unit: byte) +8.0xfa+4.0xf,10,2.AN0+8.D8+8.IMM8:D2a:::btst +"btst" +*mn10300 +{ + // OP_FAF80000 (); + PC = cia; + genericBtst(IMM8, + load_byte(State.regs[REG_A0 + AN0] + EXTEND8(D8))); +} + + +// 1111 0000 1000 DmAn; bset Dm,(An) (Processing unit byte) +8.0xf0+4.8,2.DM1,2.AN0:D0:::bset +"bset" +*mn10300 +{ + // OP_F080 (); + unsigned long temp; + int z; + + PC = cia; + temp = load_byte (State.regs[REG_A0 + AN0]); + z = (temp & State.regs[REG_D0 + DM1]) == 0; + temp |= State.regs[REG_D0 + DM1]; + store_byte (State.regs[REG_A0 + AN0], temp); + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0); +} + + +// 1111 1110 0000 0000 abs32... imm8....; +// bset imm8,(abs32) (imm8 is zero-extended., processing unit: byte) +8.0xfe+8.0x00+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D+8.IMM8:D5:::bset +"bset" +*mn10300 +{ + // OP_FE000000 (); + unsigned long temp; + int z; + + PC = cia; + temp = load_byte (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); + z = (temp & IMM8) == 0; + temp |= IMM8; + store_byte (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), temp); + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0); +} + + +// 1111 1010 1111 00AnAn d8...... imm8....; +// bset imm8,(d8,An) (d8 is sign-extended, imm8 is zero-extended., processing unit: byte) +8.0xfa+4.0xf,00,2.AN0+8.D8+8.IMM8:D2:::bset +"bset" +*mn10300 +{ + // OP_FAF00000 (); + unsigned long temp; + int z; + + PC = cia; + temp = load_byte ((State.regs[REG_A0 + AN0] + EXTEND8 (D8))); + z = (temp & (IMM8)) == 0; + temp |= (IMM8); + store_byte ((State.regs[REG_A0 + AN0] + EXTEND8 (D8)), temp); + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0); +} + + +// 1111 0000 1001 DmAn; bclr Dm,(An) (Processing unit byte) +8.0xf0+4.0x9,2.DM1,2.AN0:D0:::bclr +"bclr" +*mn10300 +{ + // OP_F090 (); + unsigned long temp; + int z; + + PC = cia; + temp = load_byte (State.regs[REG_A0 + AN0]); + z = (temp & State.regs[REG_D0 + DM1]) == 0; + temp = temp & ~State.regs[REG_D0 + DM1]; + store_byte (State.regs[REG_A0 + AN0], temp); + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0); +} + + +// 1111 1110 0000 0001 abs32... imm8....; +// bclr imm8,(abs32) (imm8 is zero-extended., processing unit: byte) +8.0xfe+8.0x01+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D+8.IMM8:D5:::bclr +"bclr" +*mn10300 +{ + // OP_FE010000 (); + unsigned long temp; + int z; + + PC = cia; + temp = load_byte (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D)); + z = (temp & IMM8) == 0; + temp = temp & ~(IMM8); + store_byte (FETCH32(IMM32A, IMM32B, IMM32C, IMM32D), temp); + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0); +} + + +// 1111 1010 1111 01An d8...... imm8....; +// bclr imm8,(d8,An) (d8 is sign-extended, imm8 is zero-extended., processing unit: byte) +8.0xfa+4.0xf,01,2.AN0+8.D8+8.IMM8:D2:::bclr +"bclr" +*mn10300 +{ + // OP_FAF40000 (); + unsigned long temp; + int z; + + PC = cia; + temp = load_byte ((State.regs[REG_A0 + AN0] + EXTEND8 (D8))); + z = (temp & (IMM8)) == 0; + temp = temp & ~(IMM8); + store_byte ((State.regs[REG_A0 + AN0] + EXTEND8 (D8)), temp); + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0); +} + + +// 1111 0010 1011 DmDn; asr Dm,Dn +8.0xf2+4.0xb,2.DM1,2.DN0:D0:::asr +"asr" +*mn10300 +{ + // OP_F2B0 (); + long temp; + int z, n, c; + + PC = cia; + temp = State.regs[REG_D0 + DN0]; + c = temp & 1; + temp >>= State.regs[REG_D0 + DM1]; + State.regs[REG_D0 + DN0] = temp; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); +} + + +// 1111 1000 1100 10Dn imm8...; asr imm8,Dn (imm8 is zero-extended.) +8.0xf8+4.0xc,10,2.DN0+8.IMM8:D1:::asr +"asr" +*mn10300 +{ + // OP_F8C800 (); + long temp; + int z, n, c; + + PC = cia; + temp = State.regs[REG_D0 + DN0]; + c = temp & 1; + temp >>= IMM8; + State.regs[REG_D0 + DN0] = temp; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); +} + + +// 1111 0010 1010 DmDn; lsr Dm,Dn +8.0xf2+4.0xa,2.DM1,2.DN0:D0:::lsr +"lsr" +*mn10300 +{ + // OP_F2A0 (); + int z, n, c; + + PC = cia; + c = State.regs[REG_D0 + DN0] & 1; + State.regs[REG_D0 + DN0] + >>= State.regs[REG_D0 + DM1]; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); +} + + +// 1111 1000 1100 01Dn imm8...; lsr imm8,Dn (imm8 is zero-extended.) +8.0xf8+4.0xc,01,2.DN0+8.IMM8:D1:::lsr +"lsr" +*mn10300 +{ + // OP_F8C400 (); + int z, n, c; + + PC = cia; + c = State.regs[REG_D0 + DN0] & 1; + State.regs[REG_D0 + DN0] >>= IMM8; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); +} + + +// 1111 0010 1001 DmDn; asl Dm,Dn +8.0xf2+4.0x9,2.DM1,2.DN0:D0:::asl +"asl" +*mn10300 +{ + // OP_F290 (); + int n, z; + + PC = cia; + State.regs[REG_D0 + DN0] + <<= State.regs[REG_D0 + DM1]; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1000 1100 00Dn imm8...; asl imm8,Dn (imm8 is zero-extended.) +8.0xf8+4.0xc,00,2.DN0+8.IMM8:D1:::asl +"asl" +*mn10300 +{ + // OP_F8C000 (); + int n, z; + + PC = cia; + State.regs[REG_D0 + DN0] <<= IMM8; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 0101 01Dn; als2 Dn +4.0x5,01,2.DN0:S0:::asl2 +"asl2" +*mn10300 +{ + // OP_54 (); + int n, z; + PC = cia; + + State.regs[REG_D0 + DN0] <<= 2; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 0010 1000 01Dn; ror Dn +8.0xf2+4.0x8,01,2.DN0:D0:::ror +"ror" +*mn10300 +{ + // OP_F284 (); + unsigned long value; + int c,n,z; + + PC = cia; + value = State.regs[REG_D0 + DN0]; + c = (value & 0x1); + + value >>= 1; + value |= ((PSW & PSW_C) != 0) ? 0x80000000 : 0; + State.regs[REG_D0 + DN0] = value; + z = (value == 0); + n = (value & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); +} + + +// 1111 0010 1000 00Dn; rol Dn +8.0xf2+4.0x8,00,2.DN0:D0:::rol +"rol" +*mn10300 +{ + // handle ror above, too. + // OP_F280 (); + unsigned long value; + int c,n,z; + + PC = cia; + value = State.regs[REG_D0 + DN0]; + c = (value & 0x80000000) ? 1 : 0; + + value <<= 1; + value |= ((PSW & PSW_C) != 0); + State.regs[REG_D0 + DN0] = value; + z = (value == 0); + n = (value & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0) | (c ? PSW_C : 0)); +} + + +// 1100 1000 d8......; beq (d8,PC) (d8 is sign-extended) +8.0xc8+8.D8:S1:::beq +"beq" +*mn10300 +{ + // OP_C800 (); + PC = cia; + if ((PSW & PSW_Z)) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 1001 d8......; bne (d8,PC) (d8 is sign-extended) +8.0xc9+8.D8:S1:::bne +"bne" +*mn10300 +{ + // OP_C900 (); + PC = cia; + if (!(PSW & PSW_Z)) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 0001 d8......; bgt (d8,PC) (d8 is sign-extended) +8.0xc1+8.D8:S1:::bgt +"bgt" +*mn10300 +{ + // OP_C100 (); + PC = cia; + if (!((PSW & PSW_Z) + || (((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0)))) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 0010 d8......; bge (d8,PC) (d8 is sign-extended) +8.0xc2+8.D8:S1:::bge +"bge" +*mn10300 +{ + // OP_C200 (); + PC = cia; + if (!(((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0))) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 0011 d8......; ble (d8,PC) (d8 is sign-extended) +8.0xc3+8.D8:S1:::ble +"ble" +*mn10300 +{ + // OP_C300 (); + PC = cia; + if ((PSW & PSW_Z) + || (((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0))) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 0000 d8......; blt (d8,PC) (d8 is sign-extended) +8.0xc0+8.D8:S1:::blt +"blt" +*mn10300 +{ + // OP_C000 (); + PC = cia; + if (((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0)) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 0101 d8......; bhi (d8,PC) (d8 is sign-extended) +8.0xc5+8.D8:S1:::bhi +"bhi" +*mn10300 +{ + // OP_C500 (); + PC = cia; + if (!(((PSW & PSW_C) != 0) || (PSW & PSW_Z) != 0)) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 0110 d8......; bcc (d8,PC) (d8 is sign-extended) +8.0xc6+8.D8:S1:::bcc +"bcc" +*mn10300 +{ + // OP_C600 (); + PC = cia; + if (!(PSW & PSW_C)) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 0101 d8......; bls (d8,PC) (d8 is sign-extended) +8.0xc7+8.D8:S1:::bls +"bls" +*mn10300 +{ + // OP_C700 (); + PC = cia; + if (((PSW & PSW_C) != 0) || (PSW & PSW_Z) != 0) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 0100 d8......; bcs (d8,PC) (d8 is sign-extended) +8.0xc4+8.D8:S1:::bcs +"bcs" +*mn10300 +{ + // OP_C400 (); + PC = cia; + if (PSW & PSW_C) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1111 1000 1110 1000 d8......; bvc (d8,PC) (d8 is sign-extended) +8.0xf8+8.0xe8+8.D8:D1:::bvc +"bvc" +*mn10300 +{ + // OP_F8E800 (); + PC = cia; + if (!(PSW & PSW_V)) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1111 1000 1110 1001 d8......; bvs (d8,PC) (d8 is sign-extended) +8.0xf8+8.0xe9+8.D8:D1:::bvs +"bvs" +*mn10300 +{ + // OP_F8E900 (); + PC = cia; + if (PSW & PSW_V) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1111 1000 1110 1010 d8......; bnc (d8,PC) (d8 is sign-extended) +8.0xf8+8.0xea+8.D8:D1:::bnc +"bnc" +*mn10300 +{ + // OP_F8EA00 (); + PC = cia; + if (!(PSW & PSW_N)) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1111 1000 1110 1010 d8......; bns (d8,PC) (d8 is sign-extended) +8.0xf8+8.0xeb+8.D8:D1:::bns +"bns" +*mn10300 +{ + // OP_F8EB00 (); + PC = cia; + if (PSW & PSW_N) + { + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; + } +} + + +// 1100 1010 d8......; bra (d8,PC) (d8 is sign-extended) +8.0xca+8.D8:S1:::bra +"bra" +*mn10300 +{ + // OP_CA00 (); + PC = cia; + State.regs[REG_PC] += EXTEND8 (D8); + nia = PC; +} + + +// 1101 1000; leq +8.0xd8:S0:::leq +"leq" +*mn10300 +{ + // OP_D8 (); + PC = cia; + if (PSW & PSW_Z) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 1001; lne +8.0xd9:S0:::lne +"lne" +*mn10300 +{ + // OP_D9 (); + PC = cia; + if (!(PSW & PSW_Z)) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 0001; lgt +8.0xd1:S0:::lgt +"lgt" +*mn10300 +{ + // OP_D1 (); + PC = cia; + if (!((PSW & PSW_Z) + || (((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0)))) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 0010; lge +8.0xd2:S0:::lge +"lge" +*mn10300 +{ + // OP_D2 (); + PC = cia; + if (!(((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0))) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 0011; lle +8.0xd3:S0:::lle +"lle" +*mn10300 +{ + // OP_D3 (); + PC = cia; + if ((PSW & PSW_Z) + || (((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0))) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 0000; llt +8.0xd0:S0:::llt +"llt" +*mn10300 +{ + // OP_D0 (); + PC = cia; + if (((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0)) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 0101; lhi +8.0xd5:S0:::lhi +"lhi" +*mn10300 +{ + // OP_D5 (); + PC = cia; + if (!(((PSW & PSW_C) != 0) || (PSW & PSW_Z) != 0)) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 0110; lcc +8.0xd6:S0:::lcc +"lcc" +*mn10300 +{ + // OP_D6 (); + PC = cia; + if (!(PSW & PSW_C)) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 0111; lls +8.0xd7:S0:::lls +"lls" +*mn10300 +{ + // OP_D7 (); + PC = cia; + if (((PSW & PSW_C) != 0) || (PSW & PSW_Z) != 0) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 0100; lcs +8.0xd4:S0:::lcs +"lcs" +*mn10300 +{ + // OP_D4 (); + PC = cia; + if (PSW & PSW_C) + { + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; + } +} + + +// 1101 1010; lra +8.0xda:S0:::lra +"lra" +*mn10300 +{ + // OP_DA (); + PC = cia; + State.regs[REG_PC] = State.regs[REG_LAR] - 4; + nia = PC; +} + + +// 1101 1010; setlb +8.0xdb:S0:::setlb +"setlb" +*mn10300 +{ + // OP_DB (); + PC = cia; + State.regs[REG_LIR] = load_word (State.regs[REG_PC] + 1); + State.regs[REG_LAR] = State.regs[REG_PC] + 5; +} + + +// 1111 0000 1111 01An; jmp (An) +8.0xf0+4.0xf,01,2.AN0:D0:::jmp +"jmp" +*mn10300 +{ + // OP_F0F4 (); + PC = State.regs[REG_A0 + AN0]; + nia = PC; +} + + +// 1100 1100 d16.....; jmp (d16,PC) (d16 is sign-extended.) +8.0xcc+8.D16A+8.D16B:S2:::jmp +"jmp" +*mn10300 +{ + // OP_CC0000 (); + PC = cia + EXTEND16(FETCH16(D16A, D16B)); + nia = PC; +} + + +// 1101 1100 d32........; jmp (d32, PC) +8.0xdc+8.D32A+8.D32B+8.D32C+8.D32D:S4:::jmp +"jmp" +*mn10300 +{ + // OP_DC000000 (); + PC = cia + FETCH32(D32A, D32B, D32C, D32D); + nia = PC; +} + + +// 1100 1101 d16..... regs.... imm8....; +// call (d16,PC),regs,imm8 (d16 is sign-extended., imm8 is zero-extended.) +8.0xcd+8.D16A+8.D16B+8.REGS+8.IMM8:S4:::call +"call" +*mn10300 +{ + // OP_CD000000 (); + unsigned int next_pc, sp; + unsigned long mask; + + PC = cia; + sp = State.regs[REG_SP]; + next_pc = PC + 5; + store_word(sp, next_pc); + + mask = REGS; + + if (mask & 0x80) + { + sp -= 4; + store_word (sp, State.regs[REG_D0 + 2]); + } + + if (mask & 0x40) + { + sp -= 4; + store_word (sp, State.regs[REG_D0 + 3]); + } + + if (mask & 0x20) + { + sp -= 4; + store_word (sp, State.regs[REG_A0 + 2]); + } + + if (mask & 0x10) + { + sp -= 4; + store_word (sp, State.regs[REG_A0 + 3]); + } + + if (mask & 0x8) + { + sp -= 4; + store_word (sp, State.regs[REG_D0]); + sp -= 4; + store_word (sp, State.regs[REG_D0 + 1]); + sp -= 4; + store_word (sp, State.regs[REG_A0]); + sp -= 4; + store_word (sp, State.regs[REG_A0 + 1]); + sp -= 4; + store_word (sp, State.regs[REG_MDR]); + sp -= 4; + store_word (sp, State.regs[REG_LIR]); + sp -= 4; + store_word (sp, State.regs[REG_LAR]); + sp -= 4; + } + + /* Update the stack pointer, note that the register saves to do not + modify SP. The SP adjustment is derived totally from the imm8 + field. */ + State.regs[REG_SP] -= IMM8; + State.regs[REG_MDR] = next_pc; + State.regs[REG_PC] += EXTEND16 (FETCH16(D16A, D16B)); + nia = PC; +} + + +// 1101 1101 d32..... regs.... imm8....; +// call (d32,PC),regs,imm8 (imm8 is zero-extended.) +8.0xdd+8.D32A+8.D32B+8.D32C+8.D32D+8.REGS+8.IMM8:S6:::call +"call" +*mn10300 +{ + // op_DD000000(); + unsigned int next_pc, sp; + unsigned long mask; + + PC = cia; + sp = State.regs[REG_SP]; + next_pc = State.regs[REG_PC] + 7; + /* could assert that nia == next_pc here */ + store_word(sp, next_pc); +// store_byte(sp, next_pc & 0xff); +// store_byte(sp+1, (next_pc & 0xff00) >> 8 ); +// store_byte(sp+2, (next_pc & 0xff0000) >> 16 ); +// store_byte(sp+3, (next_pc & 0xff000000) >> 24); + + mask = REGS; + + if (mask & 0x80) + { + sp -= 4; + store_word (sp, State.regs[REG_D0 + 2]); + } + + if (mask & 0x40) + { + sp -= 4; + store_word (sp, State.regs[REG_D0 + 3]); + } + + if (mask & 0x20) + { + sp -= 4; + store_word (sp, State.regs[REG_A0 + 2]); + } + + if (mask & 0x10) + { + sp -= 4; + store_word (sp, State.regs[REG_A0 + 3]); + } + + if (mask & 0x8) + { + sp -= 4; + store_word (sp, State.regs[REG_D0]); + sp -= 4; + store_word (sp, State.regs[REG_D0 + 1]); + sp -= 4; + store_word (sp, State.regs[REG_A0]); + sp -= 4; + store_word (sp, State.regs[REG_A0 + 1]); + sp -= 4; + store_word (sp, State.regs[REG_MDR]); + sp -= 4; + store_word (sp, State.regs[REG_LIR]); + sp -= 4; + store_word (sp, State.regs[REG_LAR]); + sp -= 4; + } + + /* Update the stack pointer, note that the register saves to do not + modify SP. The SP adjustment is derived totally from the imm8 + field. */ + State.regs[REG_SP] -= IMM8; + State.regs[REG_MDR] = next_pc; + State.regs[REG_PC] += FETCH32(D32A, D32B, D32C, D32D); + nia = PC; +} + + +// 1111 0000 1111 00An; calls (An) +8.0xf0+4.0xf,00,2.AN0:D0:::calls +"calls" +*mn10300 +{ + // OP_F0F0 (); + unsigned int next_pc, sp; + + PC = cia; + sp = State.regs[REG_SP]; + next_pc = State.regs[REG_PC] + 2; + store_word(sp, next_pc); + State.regs[REG_MDR] = next_pc; + State.regs[REG_PC] = State.regs[REG_A0 + AN0]; + nia = PC; +} + + +// 1111 1010 1111 1111 d16.....; calls (d16,PC) (d16 is sign-extended.) +8.0xfa+8.0xff+8.D16A+8.D16B:D2:::calls +"calls" +*mn10300 +{ + // OP_FAFF0000 (); + unsigned int next_pc, sp; + + PC = cia; + sp = State.regs[REG_SP]; + next_pc = State.regs[REG_PC] + 4; + store_word(sp, next_pc); + State.regs[REG_MDR] = next_pc; + State.regs[REG_PC] += EXTEND16 (FETCH16(D16A, D16B)); + nia = PC; +} + + +// 1111 1100 1111 1111 d32.....; calls (d32,PC) +8.0xfc+8.0xff+8.D32A+8.D32B+8.D32C+8.D32D:D4:::calls +"calls" +*mn10300 +{ + // OP_FCFF0000 (); + unsigned int next_pc, sp; + + PC = cia; + sp = State.regs[REG_SP]; + next_pc = State.regs[REG_PC] + 6; + store_word(sp, next_pc); + State.regs[REG_MDR] = next_pc; + State.regs[REG_PC] += FETCH32(D32A, D32B, D32C, D32D); + nia = PC; +} + + +// 1101 1111 regs.... imm8....; ret regs,imm8 (imm8 is zero-extended.) +8.0xdf+8.REGS+8.IMM8:S2:::ret +"ret" +*mn10300 +{ + // OP_DF0000 (); + unsigned int sp, offset; + unsigned long mask; + + PC = cia; + State.regs[REG_SP] += IMM8; + sp = State.regs[REG_SP]; + + offset = -4; + mask = REGS; + + if (mask & 0x80) + { + State.regs[REG_D0 + 2] = load_word (sp + offset); + offset -= 4; + } + + if (mask & 0x40) + { + State.regs[REG_D0 + 3] = load_word (sp + offset); + offset -= 4; + } + + if (mask & 0x20) + { + State.regs[REG_A0 + 2] = load_word (sp + offset); + offset -= 4; + } + + if (mask & 0x10) + { + State.regs[REG_A0 + 3] = load_word (sp + offset); + offset -= 4; + } + + if (mask & 0x8) + { + State.regs[REG_D0] = load_word (sp + offset); + offset -= 4; + State.regs[REG_D0 + 1] = load_word (sp + offset); + offset -= 4; + State.regs[REG_A0] = load_word (sp + offset); + offset -= 4; + State.regs[REG_A0 + 1] = load_word (sp + offset); + offset -= 4; + State.regs[REG_MDR] = load_word (sp + offset); + offset -= 4; + State.regs[REG_LIR] = load_word (sp + offset); + offset -= 4; + State.regs[REG_LAR] = load_word (sp + offset); + offset -= 4; + } + + /* Restore the PC value. */ + State.regs[REG_PC] = load_word(sp); + nia = PC; +} + + +// 1101 1110 regs.... imm8....; retf regs,imm8 (imm8 is zero-extended.) +8.0xde+8.REGS+8.IMM8:S2:::retf +"retf" +*mn10300 +{ + // OP_DE0000 (); + unsigned int sp, offset; + unsigned long mask; + + PC = cia; + State.regs[REG_SP] += IMM8; + sp = State.regs[REG_SP]; + State.regs[REG_PC] = State.regs[REG_MDR] - 3; + + offset = -4; + mask = REGS; + + if (mask & 0x80) + { + State.regs[REG_D0 + 2] = load_word (sp + offset); + offset -= 4; + } + + if (mask & 0x40) + { + State.regs[REG_D0 + 3] = load_word (sp + offset); + offset -= 4; + } + + if (mask & 0x20) + { + State.regs[REG_A0 + 2] = load_word (sp + offset); + offset -= 4; + } + + if (mask & 0x10) + { + State.regs[REG_A0 + 3] = load_word (sp + offset); + offset -= 4; + } + + if (mask & 0x8) + { + State.regs[REG_D0] = load_word (sp + offset); + offset -= 4; + State.regs[REG_D0 + 1] = load_word (sp + offset); + offset -= 4; + State.regs[REG_A0] = load_word (sp + offset); + offset -= 4; + State.regs[REG_A0 + 1] = load_word (sp + offset); + offset -= 4; + State.regs[REG_MDR] = load_word (sp + offset); + offset -= 4; + State.regs[REG_LIR] = load_word (sp + offset); + offset -= 4; + State.regs[REG_LAR] = load_word (sp + offset); + offset -= 4; + } +} + + +// 1111 0000 1111 1100; rets +8.0xf0+8.0xfc:D0:::rets +"rets" +*mn10300 +{ + // OP_F0FC (); + unsigned int sp; + + sp = State.regs[REG_SP]; + State.regs[REG_PC] = load_word(sp); + nia = PC; +} + + +// 1111 0000 1111 1101; rti +8.0xf0+8.0xfd:D0:::rti +"rti" +*mn10300 +{ + // OP_F0FD (); + unsigned int sp; + + sp = State.regs[REG_SP]; + PSW = load_half(sp); + State.regs[REG_PC] = load_word(sp+4); + State.regs[REG_SP] +=8; + nia = PC; +} + + +// 1111 0000 1111 1110; trap +8.0xf0+8.0xfe:D0:::trap +"trap" +*mn10300 +{ + // OP_F0FE (); + unsigned int sp, next_pc; + + PC = cia; + sp = State.regs[REG_SP]; + next_pc = State.regs[REG_PC] + 2; + store_word(sp, next_pc); + nia = PC; +} + + +// 1111 0000 1111 1111; rtm +8.0xf0+8.0xff:D0:::rtm +"rtm" +*mn10300 +{ + // OP_F0FF (); + PC = cia; + abort (); +} + + +// 1100 1011; nop +8.0xcb:S0:::nop +"nop" +*mn10300 +{ + // OP_CB (); + PC = cia; +} + + +// 1111 0101 0000 DmDn; udf20 Dm,Dn +8.0xf5+4.0x0,2.DN1,2.DN0:D0:::putx +"putx" +*mn10300 +{ + // OP_F500 (); + PC = cia; + State.regs[REG_MDRQ] = State.regs[REG_D0 + DN0]; +} + + +// 1111 0110 1111 DmDn; udf15 Dm,Dn +8.0xf6+4.0xf,2.DM1,2.DN0:D0:::getx +"getx" +*mn10300 +{ + // OP_F6F0 (); + int z, n; + + PC = cia; + z = (State.regs[REG_MDRQ] == 0); + n = ((State.regs[REG_MDRQ] & 0x80000000) != 0); + State.regs[REG_D0 + DN0] = State.regs[REG_MDRQ]; + + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= (z ? PSW_Z : 0) | (n ? PSW_N : 0); +} + + +// 1111 0110 0000 DmDn; udf00 Dm,Dn +8.0xf6+4.0x0,2.DM1,2.DN0:D0:::mulq +"mulq" +*mn10300 +{ + // OP_F600 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((signed64)(signed32)State.regs[REG_D0 + DN0] + * (signed64)(signed32)State.regs[REG_D0 + DM1]); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDRQ] = (temp & 0xffffffff00000000LL) >> 32;; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1001 0000 00Dn imm8....; udf00 imm8,Dn (imm8 is sign-extended.) +8.0xf9+4.0x,00,2.DN0+8.IMM8:D1:::mulq +"mulq" +*mn10300 +{ + // OP_F90000 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((signed64)(signed32)State.regs[REG_D0 + DN0] + * (signed64)(signed32)EXTEND8 (IMM8)); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDRQ] = (temp & 0xffffffff00000000LL) >> 32;; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1011 0000 00Dn imm16...; udf00 imm16,Dn (imm16 is sign-extended.) +8.0xfb+4.0x0,00,2.DN0+8.IMM16A+8.IMM16B:D2:::mulq +"mulq" +*mn10300 +{ + // OP_FB000000 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((signed64)(signed32)State.regs[REG_D0 + DN0] + * (signed64)(signed32)EXTEND16 (FETCH16(IMM16A, IMM16B))); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDRQ] = (temp & 0xffffffff00000000LL) >> 32;; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1101 0000 00Dn imm32...; udf00 imm32,Dn +8.0xfd+4.0x0,00,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::mulq +"mulq" +*mn10300 +{ + // OP_FD000000 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((signed64)(signed32)State.regs[REG_D0 + DN0] + * (signed64)(signed32)(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D))); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDRQ] = (temp & 0xffffffff00000000LL) >> 32;; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 0110 0001 DmDn; udf01 Dm,Dn +8.0xf6+4.0x1,2.DM1,2.DN0:D0:::mulqu +"mulqu" +*mn10300 +{ + // OP_F610 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((unsigned64) State.regs[REG_D0 + DN0] + * (unsigned64) State.regs[REG_D0 + DM1]); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDRQ] = (temp & 0xffffffff00000000LL) >> 32;; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1001 0001 01Dn imm8....; udfu01 imm8,Dn (imm8 is zero-extended.) +8.0xf9+4.0x1,01,2.DN0+8.IMM8:D1:::mulqu +"mulqu" +*mn10300 +{ + // OP_F91400 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((unsigned64)State.regs[REG_D0 + DN0] + * (unsigned64)EXTEND8 (IMM8)); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDRQ] = (temp & 0xffffffff00000000LL) >> 32;; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1011 0001 01Dn imm16...; udfu01 imm16,Dn (imm16 is zero-extended.) +8.0xfb+4.0x1,01,2.DN0+8.IMM16A+8.IMM16B:D2:::mulqu +"mulqu" +*mn10300 +{ + // OP_FB140000 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((unsigned64)State.regs[REG_D0 + DN0] + * (unsigned64) EXTEND16 (FETCH16(IMM16A, IMM16B))); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDRQ] = (temp & 0xffffffff00000000LL) >> 32;; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 1101 0001 01Dn imm32...; udfu01 imm32,Dn +8.0xfd+4.0x1,01,2.DN0+8.IMM32A+8.IMM32B+8.IMM32C+8.IMM32D:D4:::mulqu +"mulqu" +*mn10300 +{ + // OP_FD140000 (); + unsigned long long temp; + int n, z; + + PC = cia; + temp = ((unsigned64)State.regs[REG_D0 + DN0] + * (unsigned64)(FETCH32(IMM32A, IMM32B, IMM32C, IMM32D))); + State.regs[REG_D0 + DN0] = temp & 0xffffffff; + State.regs[REG_MDRQ] = (temp & 0xffffffff00000000LL) >> 32;; + z = (State.regs[REG_D0 + DN0] == 0); + n = (State.regs[REG_D0 + DN0] & 0x80000000) != 0; + PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); + PSW |= ((z ? PSW_Z : 0) | (n ? PSW_N : 0)); +} + + +// 1111 0110 0100 DmDn; udf04 Dm,Dn +8.0xf6+4.0x4,2.DM1,2.DN0:D0:::sat16 +"sat16" +*mn10300 +{ + // OP_F640 (); + int temp; + + PC = cia; + temp = State.regs[REG_D0 + DM1]; + temp = (temp > 0x7fff ? 0x7fff : temp); + temp = (temp < -0x8000 ? -0x8000 : temp); + State.regs[REG_D0 + DN0] = temp; +} + + +// 1111 0110 0101 DmDn; udf05 Dm,Dn +8.0xf6+4.0x5,2.DM1,2.DN0:D0:::sat24 +"sat24" +*mn10300 +{ + // OP_F650 (); + int temp; + + PC = cia; + temp = State.regs[REG_D0 + DM1]; + temp = (temp > 0x7fffff ? 0x7fffff : temp); + temp = (temp < -0x800000 ? -0x800000 : temp); + State.regs[REG_D0 + DN0] = temp; +} + + +// 1111 0110 0111 DmDn; udf07 Dm,Dn +8.0xf6+4.0x7,2.DM1,2.DN0:D0:::bsch +"bsch" +*mn10300 +{ + // OP_F670 (); + int temp, c; + + PC = cia; + temp = State.regs[REG_D0 + DM1]; + temp <<= (State.regs[REG_D0 + DN0] & 0x1f); + c = (temp != 0 ? 1 : 0); + PSW &= ~(PSW_C); + PSW |= (c ? PSW_C : 0); +} + + +// 1111 0000 0010 0000; syscall +8.0xf0+8.0x20:D0:::syscall +"syscall" +*mn10300 +{ + // OP_F020 (); + PC = cia; + do_syscall (); +} + + +// 1111 1111; break +8.0xff:S0:::break +"break" +*mn10300 +{ + // OP_FF (); + PC = cia; + // State.exception = SIGTRAP; + sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIM_SIGTRAP); + PC -= 1; +} |