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LDY emulation.

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This commit is contained in:
Radosław Kujawa 2017-01-23 14:43:54 +01:00
parent 5c38e5f05a
commit 552fad8a7e
1 changed files with 10 additions and 0 deletions
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10
src/emulation.c
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@ -82,6 +82,16 @@ emul_ldx(rk65c02emu_t *e, void *id, instruction_t *i)
instruction_status_adjust_negative(e, e->regs.X); instruction_status_adjust_negative(e, e->regs.X);
} }
/* LDY - load to Y */
void
emul_ldy(rk65c02emu_t *e, void *id, instruction_t *i)
{
e->regs.Y = instruction_data_read_1(e, (instrdef_t *) id, i);
instruction_status_adjust_zero(e, e->regs.Y);
instruction_status_adjust_negative(e, e->regs.Y);
}
/* NOP - do nothing */ /* NOP - do nothing */
void void
emul_nop(rk65c02emu_t *e, void *id, instruction_t *i) emul_nop(rk65c02emu_t *e, void *id, instruction_t *i)