diff options
| -rw-r--r-- | z80_to_x86.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/z80_to_x86.c b/z80_to_x86.c index f72124f..40027fe 100644 --- a/z80_to_x86.c +++ b/z80_to_x86.c @@ -851,9 +851,23 @@ uint8_t * translate_z80inst(z80inst * inst, uint8_t * dst, z80_context * context dst = z80_save_reg(dst, inst, opts); dst = z80_save_ea(dst, inst, opts); break; - /*case Z80_DAA: + //case Z80_DAA: case Z80_CPL: - case Z80_NEG:*/ + dst = zcycles(dst, 4); + dst = not_r(dst, opts->regs[Z80_A], SZ_B); + //TODO: Implement half-carry flag + dst = mov_irdisp8(dst, 1, CONTEXT, zf_off(ZF_N), SZ_B); + break; + case Z80_NEG: + dst = zcycles(dst, 8); + dst = neg_r(dst, opts->regs[Z80_A], SZ_B); + //TODO: Implement half-carry flag + dst = setcc_rdisp8(dst, CC_Z, CONTEXT, zf_off(ZF_Z)); + dst = setcc_rdisp8(dst, CC_S, CONTEXT, zf_off(ZF_S)); + dst = setcc_rdisp8(dst, CC_C, CONTEXT, zf_off(ZF_C)); + dst = setcc_rdisp8(dst, CC_O, CONTEXT, zf_off(ZF_PV)); + dst = mov_irdisp8(dst, 1, CONTEXT, zf_off(ZF_N), SZ_B); + break; case Z80_CCF: dst = zcycles(dst, 4); dst = xor_irdisp8(dst, 1, CONTEXT, zf_off(ZF_C), SZ_B); |