psxc/src/cpu.c

#include "cpu.h"

static uint32_t translate_addr(uint32_t addr)
{
    if (addr >= 0xA0000000)
    {
        addr = addr - 0xA0000000;
    }
    else if (addr >= 0x80000000)
    {
        addr = addr - 0x80000000;
    }

    return addr;
}

void cpu_write32(cpu_t *cpu, uint32_t addr, uint32_t x)
{
    printf("WRITE: %08x to %08x\n", x, addr);
    addr = translate_addr(addr);
    cpu->main_ram[addr] = x;
}

uint32_t cpu_read32(cpu_t *cpu, uint32_t addr)
{
    printf("READ: %08x\n", addr);
    addr = translate_addr(addr);
    return cpu->main_ram[addr];
}