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| author | Michael Meissner <gnu@the-meissners.org> | 1997-05-11 14:32:32 +0000 |
|---|---|---|
| committer | Michael Meissner <gnu@the-meissners.org> | 1997-05-11 14:32:32 +0000 |
| commit | 450be2349aa1beda81274be407713657f457ef50 (patch) | |
| tree | fe98ee6fdf24fbef51e70df9717e9669aaf548ff /sim/tic80/misc.c | |
| parent | 20b2f9bc83913de6065a40c14c7cb7c96e7bb8d1 (diff) | |
| download | gdb-450be2349aa1beda81274be407713657f457ef50.zip gdb-450be2349aa1beda81274be407713657f457ef50.tar.gz gdb-450be2349aa1beda81274be407713657f457ef50.tar.bz2 | |
Fix shift/lmo insns; Subu does arithmetic unsigned
Diffstat (limited to 'sim/tic80/misc.c')
| -rw-r--r-- | sim/tic80/misc.c | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/sim/tic80/misc.c b/sim/tic80/misc.c index 9359fe2..b9af1b8 100644 --- a/sim/tic80/misc.c +++ b/sim/tic80/misc.c @@ -168,12 +168,62 @@ tic80_trace_alu2 (int indx, sprintf (tic80_trace_buffer, "%-*s 0x%.*lx/%*ld %*s => 0x%.*lx/%*ld", tic80_size_name, itable[indx].name, SIZE_HEX, input, SIZE_DECIMAL, (long)(signed32)input, - SIZE_HEX + SIZE_DECIMAL + 2, "", + SIZE_HEX + SIZE_DECIMAL + 3, "", SIZE_HEX, result, SIZE_DECIMAL, (long)(signed32)result); return tic80_trace_buffer; } +/* Trace the result of a shift instruction */ +char * +tic80_trace_shift (int indx, + unsigned32 result, + unsigned32 input, + int i, + int n, + int merge, + int endmask, + int rotate) +{ + const char *merge_name; + char name[40]; + char *p; + + if (!tic80_size_name) + tic80_init_trace (); + + switch (merge) + { + default: merge_name = ".??"; break; + case 0: merge_name = ".dz"; break; + case 1: merge_name = ".dm"; break; + case 2: merge_name = ".ds"; break; + case 3: merge_name = ".ez"; break; + case 4: merge_name = ".em"; break; + case 5: merge_name = ".es"; break; + case 6: merge_name = ".iz"; break; + case 7: merge_name = ".im"; break; + } + + /* Don't use itable[indx].name, which is just sl {r,i}. Instead reconstruct + the name, using the i and n fields. */ + p = strchr (itable[indx].name, ' '); + sprintf (name, "s%s%s%s%s", + (n) ? "r" : "l", + (i) ? "i" : "", + merge_name, + (p) ? p : ""); + + sprintf (tic80_trace_buffer, "%-*s 0x%.*lx/%*ld %*s%2d,%2d => 0x%.*lx/%*ld", + tic80_size_name, name, + SIZE_HEX, input, SIZE_DECIMAL, (long)(signed32)input, + SIZE_HEX + SIZE_DECIMAL - 2, "", + rotate, endmask, + SIZE_HEX, result, SIZE_DECIMAL, (long)(signed32)result); + + return tic80_trace_buffer; +} + /* Trace the result of an FPU operation with 2 floating point inputs and a floating point output */ void tic80_trace_fpu3 (SIM_DESC sd, |