Function cpu_write_index_partial_mode

core/cpu.c:201–208

    cpu.registers.index[cpu.PREFIX].hl = value;
}
static void cpu_write_index_partial_mode(uint32_t value) {
    value = cpu_mask_mode(value, cpu.L);
    if (cpu.L) {
        cpu.registers.index[cpu.PREFIX].hl = value;
    } else {
        cpu.registers.index[cpu.PREFIX].hls = value;
    }
}

static uint32_t cpu_read_other_index(void) {
    return cpu.registers.index[cpu.PREFIX ^ 1].hl;