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-rw-r--r--z80_to_x86.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/z80_to_x86.c b/z80_to_x86.c
index 4eeb84b..6d2fb86 100644
--- a/z80_to_x86.c
+++ b/z80_to_x86.c
@@ -123,7 +123,7 @@ uint8_t * translate_z80_reg(z80inst * inst, x86_ea * ea, uint8_t * dst, x86_z80_
if (ea->base >= AH && ea->base <= BH) {
if ((inst->addr_mode & 0x1F) == Z80_REG) {
uint8_t other_reg = opts->regs[inst->ea_reg];
- if (other_reg > R8 || (other_reg >= RSP && other_reg <= RDI)) {
+ if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
//we can't mix an *H reg with a register that requires the REX prefix
ea->base = opts->regs[z80_low_reg(inst->reg)];
dst = ror_ir(dst, 8, ea->base, SZ_W);
@@ -150,7 +150,7 @@ uint8_t * z80_save_reg(uint8_t * dst, z80inst * inst, x86_z80_options * opts)
} else if (opts->regs[inst->reg] >= AH && opts->regs[inst->reg] <= BH) {
if ((inst->addr_mode & 0x1F) == Z80_REG) {
uint8_t other_reg = opts->regs[inst->ea_reg];
- if (other_reg > R8 || (other_reg >= RSP && other_reg <= RDI)) {
+ if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
//we can't mix an *H reg with a register that requires the REX prefix
dst = ror_ir(dst, 8, opts->regs[z80_low_reg(inst->reg)], SZ_W);
}
@@ -177,7 +177,7 @@ uint8_t * translate_z80_ea(z80inst * inst, x86_ea * ea, uint8_t * dst, x86_z80_o
ea->base = opts->regs[inst->ea_reg];
if (ea->base >= AH && ea->base <= BH && inst->reg != Z80_UNUSED && inst->reg != Z80_USE_IMMED) {
uint8_t other_reg = opts->regs[inst->reg];
- if (other_reg > R8 || (other_reg >= RSP && other_reg <= RDI)) {
+ if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
//we can't mix an *H reg with a register that requires the REX prefix
ea->base = opts->regs[z80_low_reg(inst->ea_reg)];
dst = ror_ir(dst, 8, ea->base, SZ_W);
@@ -244,6 +244,7 @@ uint8_t * translate_z80_ea(z80inst * inst, x86_ea * ea, uint8_t * dst, x86_z80_o
dst = pop_r(dst, SCRATCH2);
}
}
+ ea->base = SCRATCH1;
break;
case Z80_UNUSED:
ea->mode = MODE_UNUSED;
@@ -262,7 +263,7 @@ uint8_t * z80_save_ea(uint8_t * dst, z80inst * inst, x86_z80_options * opts)
dst = ror_ir(dst, 8, opts->regs[Z80_IY], SZ_W);
} else if (inst->reg != Z80_UNUSED && inst->reg != Z80_USE_IMMED && opts->regs[inst->ea_reg] >= AH && opts->regs[inst->ea_reg] <= BH) {
uint8_t other_reg = opts->regs[inst->reg];
- if (other_reg > R8 || (other_reg >= RSP && other_reg <= RDI)) {
+ if (other_reg >= R8 || (other_reg >= RSP && other_reg <= RDI)) {
//we can't mix an *H reg with a register that requires the REX prefix
dst = ror_ir(dst, 8, opts->regs[z80_low_reg(inst->ea_reg)], SZ_W);
}