raimon@argo
f111aa1c79
- [FIX] opcodes accesibles - [NEW] El desensamblador ja no mostra parts del mapa de memòria que no son RAM o ROM - [FIX] Ja se mostren gràficament tots els branch - [NEW] memdebuginfo de tots els dispositius mapejats disponible
48 lines
967 B
C++
48 lines
967 B
C++
#include "rom.h"
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#include <stdio.h>
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#include <stdlib.h>
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namespace rom
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{
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uint8_t *data = NULL;
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int size = 0;
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uint16_t mask = 0xffff;
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void load(const char* filename)
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{
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if (data) free(data);
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size = 0;
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FILE* f = fopen(filename, "rb");
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if (f) {
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fseek(f, 0, SEEK_END);
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size = ftell(f);
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fseek(f, 0, SEEK_SET);
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data = (uint8_t*)malloc(size);
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fread(data, size, 1, f);
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fclose(f);
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if (size <= 4096) mask = size-1;
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// [TODO] Gestionar ROMs mes grans de 4K
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}
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}
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uint8_t read(uint16_t address)
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{
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return data[address & mask];
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}
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void write(uint16_t address, uint8_t value)
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{
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data[address & mask] = value;
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}
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namespace debug
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{
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const memDebugInfo getInfo(uint16_t address)
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{
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return {"ROM", mdtROM, 0x1000 | (address & mask)};
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}
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}
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}
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