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Add function setting the PC for branches.

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This commit is contained in:
Radosław Kujawa 2017-01-29 13:29:17 +01:00
parent 762f140efd
commit f5a4f45127
1 changed files with 6 additions and 0 deletions

6
src/instruction.c

@ -326,6 +326,12 @@ program_counter_increment(rk65c02emu_t *e, instrdef_t *id)
e->regs.PC += id->size;
}
void
program_counter_branch(rk65c02emu_t *e, int8_t boffset)
{
e->regs.PC += boffset + 2;
}
/* check whether given instruction modify program counter */
bool
instruction_modify_pc(instrdef_t *id)