26 lines
619 B
C++
26 lines
619 B
C++
// (C) 2018-2023 by Folkert van Heusden
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// Released under MIT license
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#pragma once
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#include <assert.h>
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#include <stdint.h>
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class memory
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{
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private:
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const uint32_t size { 0 };
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uint8_t *m { nullptr };
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public:
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memory(const uint32_t size);
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~memory();
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void reset();
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uint16_t readByte(const uint32_t a) const { return m[a]; }
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void writeByte(const uint32_t a, const uint16_t v) { assert(a < size); m[a] = v; }
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uint16_t readWord(const uint32_t a) const { return m[a] | (m[a + 1] << 8); }
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void writeWord(const uint32_t a, const uint16_t v) { assert(a < size - 1); m[a] = v; m[a + 1] = v >> 8; }
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};
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