77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
#ifndef _OPCODE_H_
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#define _OPCODE_H_
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#include <stdint.h>
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#include <gint/display.h>
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#include <gint/keyboard.h>
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#include "Chip8.h"
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#define N (opcode&0x000F)
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#define NNN (opcode&0x0FFF)
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#define X (opcode&0x0F00)>>8
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#define Y (opcode&0x00F0)>>4
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#define KK (opcode&0x00FF)
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void execute();
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void op0table(); //
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void op00E0(); //clear screen
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void op00EE(); //return
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void op1NNN(); //jump
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void op2NNN(); //call
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void op3XKK(); //skip if reg[X] equal KK
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void op4XKK(); //skip if reg[X] not equal KK
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void op5XY0(); //skip if reg[X] equal reg[Y]
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void op6XKK(); //Load KK in reg[X]
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void op7XKK(); //reg[X] += KK, no carry
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void op8table();
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void op8XY0(); //load reg[Y] in reg [X]
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void op8XY1(); //OR reg[X] and reg[Y] in reg [X]
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void op8XY2(); //AND reg[X] and reg[Y] in reg [X]
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void op8XY3(); //XOR reg[X] and reg[Y] in reg [X]
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void op8XY4(); //add reg[X] and reg[Y] in reg[X] whit carry
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void op8XY5(); //reg[X] = reg[X] -reg[Y] with NOT borrow
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void op8XY6(); //rotate reg[X] -> and save the least significant bit in the carry flag
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void op8XY7(); //reg[X] = reg[X] -reg[Y] with NOT borrow
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void op8XYE(); //rotate reg[X] <- and save the least significant bit in the carry flag
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void op9XY0(); //skip if reg[X] not equal reg[Y]
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void opANNN(); //load NNN into I
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void opBNNN(); //jump to address regist[0]+NNN
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void opCXKK(); //set regist[X] = random(0,255) AND KK
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void opDXYN(); //xor the sprite of size 8*N at adress I on the screen at position (regist[X],regist[Y])
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//if a pixel is erased, set set carry flag.
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void opEtable();
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void opEX9E(); //skip if regist[X] equal value of key pressed
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void opEXA1(); //skip if regist[X] not equal value of key pressed
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void opFtable();
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void opF5table();
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void opFX07(); //set regist[X] = DelayTimer
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void opFX0A(); //set regist[X] = keycode of pressed key (wait for press if not any)
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void opFX15(); //set DelayTimer = regist[X]
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void opFX18(); //set SoundTimer = regist[X]
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void opFX1E(); //set I = I + regist[X]
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void opFX29(); //set I to the location to draw the char stored in regist[X]
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void opFX33(); //store BCD representation of regist[X] in the adress I(hundreds), I+1(tens), I+2(digits)
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void opFX55(); //store regist[0]~regist[X] into memory adress I~I+X
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void opFX65(); //load regist[0]~regist[X] from memory adress I~I+X
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void uninplemented();
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#endif // _OPCODE_H_
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