diff options
Diffstat (limited to 'm68k_to_x86.c')
| -rw-r--r-- | m68k_to_x86.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/m68k_to_x86.c b/m68k_to_x86.c index 83a1f96..242fed0 100644 --- a/m68k_to_x86.c +++ b/m68k_to_x86.c @@ -1139,7 +1139,7 @@ uint8_t * translate_m68k_ext(uint8_t * dst, m68kinst * inst, x86_68k_options * o uint8_t * translate_m68k_lea(uint8_t * dst, m68kinst * inst, x86_68k_options * opts) { - int8_t dst_reg = native_reg(&(inst->dst), opts); + int8_t dst_reg = native_reg(&(inst->dst), opts), sec_reg; switch(inst->src.addr_mode) { case MODE_AREG_INDIRECT: @@ -1178,6 +1178,53 @@ uint8_t * translate_m68k_lea(uint8_t * dst, m68kinst * inst, x86_68k_options * o dst = add_irdisp8(dst, inst->src.params.regs.displacement, CONTEXT, reg_offset(&(inst->src)), SZ_D); } break; + case MODE_AREG_INDEX_DISP8: + dst = cycles(dst, 6);//TODO: Check to make sure this is correct + if (opts->aregs[inst->src.params.regs.pri] >= 0) { + dst = mov_rr(dst, opts->aregs[inst->src.params.regs.pri], SCRATCH2, SZ_D); + } else { + dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->src)), SCRATCH2, SZ_D); + } + sec_reg = (inst->src.params.regs.sec >> 1) & 0x7; + if (inst->src.params.regs.sec & 1) { + if (inst->src.params.regs.sec & 0x10) { + if (opts->aregs[sec_reg] >= 0) { + dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_D); + } else { + dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D); + } + } else { + if (opts->dregs[sec_reg] >= 0) { + dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_D); + } else { + dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D); + } + } + } else { + if (inst->src.params.regs.sec & 0x10) { + if (opts->aregs[sec_reg] >= 0) { + dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_W, SZ_D); + } else { + dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D); + } + } else { + if (opts->dregs[sec_reg] >= 0) { + dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_W, SZ_D); + } else { + dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D); + } + } + dst = add_rr(dst, SCRATCH1, SCRATCH2, SZ_D); + } + if (inst->src.params.regs.displacement) { + dst = add_ir(dst, inst->src.params.regs.displacement, SCRATCH2, SZ_D); + } + if (dst_reg >= 0) { + dst = mov_rr(dst, SCRATCH2, dst_reg, SZ_D); + } else { + dst = mov_rrdisp8(dst, SCRATCH2, CONTEXT, reg_offset(&(inst->src)), SZ_D); + } + break; case MODE_PC_DISPLACE: dst = cycles(dst, 8); if (dst_reg >= 0) { |