diff options
| author | Mike Pavone <pavone@retrodev.com> | 2013-01-06 14:00:45 -0800 |
|---|---|---|
| committer | Mike Pavone <pavone@retrodev.com> | 2013-01-06 14:00:45 -0800 |
| commit | b3598b0638c12d9d7defb9ca7f0b75dc831ce6c0 (patch) | |
| tree | a306999492b9598f7b9056a0b5fa50be040594a7 /m68k_to_x86.c | |
| parent | 43e5e0e3fc8a3f3d10e5455584408d32b30b52d7 (diff) | |
Implement EORI CCR/SR
Diffstat (limited to 'm68k_to_x86.c')
| -rw-r--r-- | m68k_to_x86.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/m68k_to_x86.c b/m68k_to_x86.c index 0339393..897bf14 100644 --- a/m68k_to_x86.c +++ b/m68k_to_x86.c @@ -2726,8 +2726,32 @@ uint8_t * translate_m68k(uint8_t * dst, m68kinst * inst, x86_68k_options * opts) dst = mov_ir(dst, 0, FLAG_V, SZ_B); dst = m68k_save_result(inst, dst, opts); break; - /*case M68K_EORI_CCR: - case M68K_EORI_SR:*/ + case M68K_EORI_CCR: + case M68K_EORI_SR: + dst = cycles(dst, 20); + //TODO: If ANDI to SR, trap if not in supervisor mode + if (inst->src.params.immed & 0x1) { + dst = xor_ir(dst, 1, FLAG_C, SZ_B); + } + if (inst->src.params.immed & 0x2) { + dst = xor_ir(dst, 1, FLAG_V, SZ_B); + } + if (inst->src.params.immed & 0x4) { + dst = xor_ir(dst, 1, FLAG_Z, SZ_B); + } + if (inst->src.params.immed & 0x8) { + dst = xor_ir(dst, 1, FLAG_N, SZ_B); + } + if (inst->src.params.immed & 0x10) { + dst = xor_irdisp8(dst, 1, CONTEXT, 0, SZ_B); + } + if (inst->op == M68K_ORI_SR) { + dst = xor_irdisp8(dst, inst->src.params.immed >> 8, CONTEXT, offsetof(m68k_context, status), SZ_B); + if (inst->src.params.immed & 0x700) { + dst = call(dst, (uint8_t *)do_sync); + } + } + break; case M68K_EXG: dst = cycles(dst, 6); if (dst_op.mode == MODE_REG_DIRECT) { |