diff options
| author | Michael Pavone <pavone@retrodev.com> | 2015-10-29 23:12:01 -0700 |
|---|---|---|
| committer | Michael Pavone <pavone@retrodev.com> | 2015-10-29 23:12:01 -0700 |
| commit | 94c98373a570f70a7d9e33bb9bd38cba48c9e6d5 (patch) | |
| tree | 9926d45cf0277d8e42db878ff775fb303092b444 | |
| parent | 17ad92d111c89b624927c8fd134597b5d1a8bf07 (diff) | |
Fix timing of certain variants of LD
| -rw-r--r-- | z80_to_x86.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/z80_to_x86.c b/z80_to_x86.c index dbfbdb7..071c524 100644 --- a/z80_to_x86.c +++ b/z80_to_x86.c @@ -355,10 +355,10 @@ void translate_z80inst(z80inst * inst, z80_context * context, uint16_t address, case Z80_REG: case Z80_REG_INDIRECT: num_cycles = size == SZ_B ? 4 : 6; - if (inst->ea_reg == Z80_IX || inst->ea_reg == Z80_IY) { + if (inst->ea_reg == Z80_IX || inst->ea_reg == Z80_IY || (inst->ea_reg >= Z80_IXL && inst->ea_reg <= Z80_IYH)) { num_cycles += 4; } - if (inst->reg == Z80_I || inst->ea_reg == Z80_I) { + if (inst->reg == Z80_I || inst->ea_reg == Z80_I || inst->reg == Z80_R || inst->ea_reg == Z80_R) { num_cycles += 5; } break; |