diff options
Diffstat (limited to 'opcodes/moxie-opc.c')
| -rw-r--r-- | opcodes/moxie-opc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/opcodes/moxie-opc.c b/opcodes/moxie-opc.c index 8194760..b493d1f 100644 --- a/opcodes/moxie-opc.c +++ b/opcodes/moxie-opc.c @@ -50,9 +50,12 @@ oooo - form 3 opcode number vvvvvvvvvv - 10-bit immediate value. */ +/* Note that currently two opcodes are reserved as bad, so that all + instructions starting with 0x00 and 0xff fault. */ + const moxie_opc_info_t moxie_form1_opc_info[64] = { - { 0x00, MOXIE_F1_NARG, "nop" }, + { 0x00, MOXIE_F1_NARG, "bad" }, // Reserved as bad. { 0x01, MOXIE_F1_A4, "ldi.l" }, { 0x02, MOXIE_F1_AB, "mov" }, { 0x03, MOXIE_F1_M, "jsra" }, @@ -67,7 +70,7 @@ const moxie_opc_info_t moxie_form1_opc_info[64] = { 0x0c, MOXIE_F1_ABi4, "ldo.l" }, { 0x0d, MOXIE_F1_AiB4, "sto.l" }, { 0x0e, MOXIE_F1_AB, "cmp" }, - { 0x0f, MOXIE_F1_NARG, "bad" }, + { 0x0f, MOXIE_F1_NARG, "nop" }, { 0x10, MOXIE_F1_NARG, "bad" }, { 0x11, MOXIE_F1_NARG, "bad" }, { 0x12, MOXIE_F1_NARG, "bad" }, @@ -143,7 +146,7 @@ const moxie_opc_info_t moxie_form3_opc_info[16] = { 0x0c, MOXIE_F3_NARG, "bad" }, { 0x0d, MOXIE_F3_NARG, "bad" }, { 0x0e, MOXIE_F3_NARG, "bad" }, - { 0x0f, MOXIE_F3_NARG, "bad" } + { 0x0f, MOXIE_F3_NARG, "bad" } // Reserved as bad. }; |