64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
#ifndef __CHIP8_H__
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#include <stdint.h>
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#include <stdio.h>
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#define panic(x) printf("%d",x); exit(1);
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#define MEM_SIZE 4096
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#define DISPLAY_WIDTH 64
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#define DISPLAY_HEIGHT 32
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#define F 0xF
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#define PROGRAM_ADDRESS 0x200
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#define SPRITE_SIZE 8
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#define FONT_SIZE 16
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#define REG_SIZE 16
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#define STACK_SIZE 16
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#define KEYMAP_SIZE 16
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int keymap[KEYMAP_SIZE] = {
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49, 50, 51,67, // 1 2 3 C
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52, 68, 55, 56, // 4 5 6 D
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57, 58, 59, 69, // 7 8 9 E
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65,79, 66, 70,// A O B F
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};
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int font[FONT_SIZE][SPRITE_SIZE] = {
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{0xF0, 0x90, 0x90, 0x90, 0xF0}, // 0
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{0x20, 0x60, 0x20, 0x20, 0x70}, // 1
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{0xF0, 0x10, 0xF0, 0x80, 0xF0}, // 2
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{0xF0, 0x10, 0xF0, 0x10, 0xF0}, // 3
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{0x90, 0x90, 0xF0, 0x10, 0x10}, // 4
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{0xF0, 0x80, 0xF0, 0x10, 0xF0}, // 5
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{0xF0, 0x80, 0xF0, 0x90, 0xF0}, // 6
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{0xF0, 0x10, 0x20, 0x40, 0x40}, // 7
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{0xF0, 0x90, 0xF0, 0x90, 0xF0}, // 8
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{0xF0, 0x90, 0xF0, 0x10, 0xF0}, // 9
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{0xF0, 0x90, 0xF0, 0x90, 0x90}, // A
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{0xE0, 0x90, 0xE0, 0x90, 0xE0}, // B
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{0xF0, 0x80, 0x80, 0x80, 0xF0}, // C
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{0xE0, 0x90, 0x90, 0x90, 0xE0}, // D
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{0xF0, 0x80, 0xF0, 0x80, 0xF0}, // E
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{0xF0, 0x80, 0xF0, 0x80, 0x80}, // F
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};
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typedef struct Chip8{
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uint8_t RAM[MEM_SIZE];
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uint8_t V[REG_SIZE];
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uint8_t display[DISPLAY_HEIGHT][DISPLAY_WIDTH];
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uint8_t delay_timer;
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uint8_t sound_timer;
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uint16_t I;
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uint16_t PC;
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int SP;
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uint16_t* chip8_stack;
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uint8_t key;
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}Chip8;
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void push(Chip8* chip8, uint16_t value);
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uint16_t pop(Chip8* chip8);
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void set_key(Chip8 *chip8, uint8_t key_pressed);
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void reset_key(Chip8 *chip8);
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#endif // __CHIP8_H__
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