Function cpu_read_rp3

core/cpu.c:328–338

}

static uint32_t cpu_read_rp3(int i) {
    uint32_t value;
    switch (i) {
        case 0: value = cpu.registers.BC; break;
        case 1: value = cpu.registers.DE; break;
        case 2: value = cpu.registers.HL; break;
        case 3: value = cpu_read_index(); break;
        default: unreachable();
    }
    return cpu_mask_mode(value, cpu.L);
}
static void cpu_write_rp3(int i, uint32_t value) {
    value = cpu_mask_mode(value, cpu.L);
    switch (i) {