32 lines
640 B
C++
32 lines
640 B
C++
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#include "ram.h"
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RAM::RAM(u16 size) : size(size), readonly(false) {
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memory = new u8[size];
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}
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RAM::RAM(u8* memory, u16 size, bool readonly = false)
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: memory(memory), size(size), readonly(readonly)
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{}
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void RAM::write8(u16 addr, u8 data) {
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if(addr >= size || readonly) return;
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memory[addr] = data;
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}
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u8 RAM::read8(u16 addr) {
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if (addr >= size) return 0xFFu;
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return memory[addr];
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}
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void RAM::write16(u16 addr, u16 data) {
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if(addr >= size - 1 || readonly) return;
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u16 *ptr = (u16*)&memory[addr];
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*ptr = data;
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}
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u16 RAM::read16(u16 addr) {
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if(addr >= size - 1) return;
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u16 *ptr = (u16*)&memory[addr];
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return *ptr;
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}
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