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Fixes #24 - PLP and PHP instructions are missing

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This commit is contained in:
Stefan Arentz 2016-11-16 22:09:26 -05:00
parent e66c4fd87f
commit a33c6d9057
1 changed files with 10 additions and 2 deletions
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12
ins.c
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@ -621,6 +621,14 @@ static void pla(struct cpu_t *cpu) {
update_zn(cpu, cpu->state.a);
}
static void php(struct cpu_t *cpu) {
_cpu_push_byte(cpu, _cpu_get_status(cpu));
}
static void plp(struct cpu_t *cpu) {
_cpu_set_status(cpu, _cpu_pull_byte(cpu));
}
/* ROL */
static uint8_t rol(struct cpu_t* cpu, uint8_t b) {
@ -846,7 +854,7 @@ cpu_instruction_t instructions[256] = {
/* 0x05 */ { "ORA", 0x05, 2, 2, 0, (void*) ora_zpg },
/* 0x06 */ { "ASL", 0x06, 2, 5, 0, (void*) asl_zpg },
/* 0x07 */ { "???", 0x07, 1, 2, 0, (void*) NULL },
/* 0x08 */ { "???", 0x08, 1, 2, 0, (void*) NULL },
/* 0x08 */ { "PHP", 0x08, 1, 3, 0, (void*) php },
/* 0x09 */ { "ORA", 0x09, 2, 2, 0, (void*) ora_imm },
/* 0x0a */ { "ASL", 0x0a, 1, 2, 0, (void*) asl_acc },
/* 0x0b */ { "???", 0x0b, 1, 2, 0, (void*) NULL },
@ -879,7 +887,7 @@ cpu_instruction_t instructions[256] = {
/* 0x25 */ { "AND", 0x25, 2, 3, 0, (void*) and_zpg },
/* 0x26 */ { "ROL", 0x26, 2, 5, 0, (void*) rol_zpg },
/* 0x27 */ { "???", 0x27, 1, 2, 0, (void*) NULL },
/* 0x28 */ { "???", 0x28, 1, 2, 0, (void*) NULL },
/* 0x28 */ { "PLP", 0x28, 1, 4, 0, (void*) plp },
/* 0x29 */ { "AND", 0x29, 2, 2, 0, (void*) and_imm },
/* 0x2a */ { "ROL", 0x2a, 1, 2, 0, (void*) rol_acc },
/* 0x2b */ { "???", 0x2b, 1, 2, 0, (void*) NULL },