- [NEW] Treballant en modularitzar la memòria, per a començar a implementar soport per als demes Spectrums

zx_48mem.cpp

@@ -0,0 +1,61 @@
+#include "zx_48mem.h"
+#include "z80mem.h"
+#include <string.h>
+#include <stdio.h>
+
+
+zx_48mem::zx_48mem()
+{
+    z80mem::singleton = this;
+}
+
+uint8_t zx_48mem::readMem(uint16_t address)
+{
+    return memory[address];
+}
+
+void zx_48mem::writeMem(uint16_t address, uint8_t value)
+{
+    memory[address] = value;
+}
+
+void zx_48mem::loadMem(uint16_t address, uint16_t len, uint8_t *buffer)
+{
+    memcpy(&memory[address], buffer, len);
+}
+
+uint8_t zx_48mem::getTag(uint16_t address)
+{
+    return tags[address];
+}
+
+void zx_48mem::setTag(uint16_t address, uint8_t value)
+{
+    tags[address] = value;
+}
+
+void zx_48mem::reset()
+{
+    FILE* f = fopen("48.rom", "rb");
+    fread(memory, 1024, 16, f);
+    fclose(f);
+
+    for (int i=0x4000; i<=0xFFFF; ++i) memory[i] = 0;
+    for (int i=0; i<65536; ++i) tags[i] = MEMTAG_NONE;
+}
+
+void zx_48mem::saveState(FILE *f)
+{
+    fwrite(&memory[0x4000], 0xc000, 1, f);
+}
+
+void zx_48mem::loadState(FILE *f)
+{
+    fread(&memory[0x4000], 0xc000, 1, f);
+}
+
+uint32_t zx_48mem::getSize()
+{
+    return 65536;
+}
+