31 lines
735 B
C
Executable File
31 lines
735 B
C
Executable File
#include "gb-impl.h"
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void mbc3_changeBank(gb *cpu, WORD addr, BYTE data) {
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// RAM enabling
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if (addr < 0x2000) {
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BYTE testData = data & 0xF;
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if (testData == 0x0) {
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cpu->isRAMEnable = 0;
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} else
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cpu->isRAMEnable = 1;
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}
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/*Change ROM bank*/
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else if ((addr >= 0x2000) && (addr < 0x4000)) {
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BYTE lower7 = data & 0x7F;
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cpu->currentROMBank = lower7;
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if (cpu->currentROMBank == 0x00)
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cpu->currentROMBank = 1;
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}
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else if ((addr >= 0x4000) && (addr < 0x6000)) {
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if (data <= 0x3)
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cpu->currentRAMBank = data & 0x3;
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}
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/*Should handle the timer*/
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else if ((addr >= 0x6000) && (addr < 0x8000)) {
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}
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}
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