17 lines
908 B
C
17 lines
908 B
C
#include "rom.h"
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uint8_t rom[ROM_SIZE] = {0};
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void initRom(uint8_t *rom) {
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rom[0] = 0xa9, // LDA
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rom[1] = 'H', // H literal
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rom[2] = 0x8d, // STA
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rom[3] = (uint8_t)((IO_BASE + SCREEN_ADDRESS) & 0xFF), // Lower byte of screen
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rom[4] = (uint8_t)((IO_BASE + SCREEN_ADDRESS) >> 8), // Upper byte of screen
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rom[6] =
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/* Reset Vector */
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rom[0xFFFC - ROM_BASE] = 0x00, // Lower byte base of ROM
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rom[0xFFFD - ROM_BASE] = 0x04, // Upper byte of base of ROM
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rom[0xFFFE - ROM_BASE] = 0x00, // Lower byte base of ROM
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rom[0xFFFF - ROM_BASE] = 0x00; // Upper byte of base of ROM
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} |