51 lines
871 B
C++
51 lines
871 B
C++
#include <../base.hpp>
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#include <../cart/cart.hpp>
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#include "cmmio.hpp"
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void CMMIO::init() {
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}
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void CMMIO::enable() {
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memory::mmio.map(0x3000, *this);
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memory::mmio.map(0x3001, *this);
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memory::mmio.map(0x3002, *this);
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memory::mmio.map(0x3004, *this);
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}
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void CMMIO::power() {
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reset();
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}
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void CMMIO::reset() {
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}
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uint8 CMMIO::mmio_read(unsigned addr) {
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addr &= 0xffff;
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//printf("CMMIO::mmio_read 0x%x",addr);
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return cpu.regs.mdr;
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}
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void CMMIO::mmio_write(unsigned addr, uint8 data) {
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addr &= 0xffff;
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//fflush(stdout);
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//printf("CMMIO::mmio_write 0x%04x 0x%02x (%i)\n",addr,data,data);
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/* debug to stderr */
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if (addr == 0x3000){
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fprintf(stderr,"%c",data);
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fflush(stderr);
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}
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#if 0
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if (addr == 0x3001){
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fprintf(stderr,"Trigger IRQ\n");
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fflush(stderr);
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cpu.triggerIRQ();
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}
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#endif
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}
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CMMIO::CMMIO() {
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}
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