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Fixes #36 - Addressing (indirect,X) does not wrap properly

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This commit is contained in:
Stefan Arentz 2016-11-22 07:41:47 -05:00
parent 9be1f00a9b
commit 7947bb32b0
1 changed files with 3 additions and 2 deletions
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5
mem.c
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@ -102,7 +102,7 @@ uint8_t mem_get_byte_zpgy(struct cpu_t *cpu, uint8_t addr) {
}
uint8_t mem_get_byte_indx(struct cpu_t *cpu, uint8_t addr) {
return mem_get_byte(cpu, mem_get_word(cpu, addr + cpu->state.x)); // TODO: Does this wrap?
return mem_get_byte(cpu, mem_get_word(cpu, (uint8_t)(addr + cpu->state.x)));
}
uint8_t mem_get_byte_indy(struct cpu_t *cpu, uint8_t addr) {
@ -141,7 +141,8 @@ void mem_set_byte_absy(struct cpu_t *cpu, uint16_t addr, uint8_t v) {
}
void mem_set_byte_indx(struct cpu_t *cpu, uint8_t addr, uint8_t v) {
mem_set_byte(cpu, mem_get_word(cpu, addr+cpu->state.x), v); // TODO: Does this wrap?
//uint8_t a = ;
mem_set_byte(cpu, mem_get_word(cpu, (uint8_t)(addr + cpu->state.x)), v);
}
void mem_set_byte_indy(struct cpu_t *cpu, uint8_t addr, uint8_t v) {