aiie/apple/appledisplay.h
2017-02-19 18:55:54 -05:00

76 lines
1.7 KiB
C++

#ifndef __APPLEDISPLAY_H
#define __APPLEDISPLAY_H
#ifdef TEENSYDUINO
#include <Arduino.h>
#else
#include <stdlib.h>
#endif
#include "vmdisplay.h"
enum {
c_black = 0,
c_magenta = 1,
c_darkblue = 2,
c_purple = 3,
c_darkgreen = 4,
c_darkgrey = 5,
c_medblue = 6,
c_lightblue = 7,
c_brown = 8,
c_orange = 9,
c_lightgray = 10,
c_pink = 11,
c_green = 12,
c_yellow = 13,
c_aqua = 14,
c_white = 15
};
enum {
m_blackAndWhite = 0,
m_monochrome = 1,
m_ntsclike = 2,
m_perfectcolor = 3
};
class AppleMMU;
class AppleDisplay : public VMDisplay{
public:
AppleDisplay(uint8_t *vb);
virtual ~AppleDisplay();
virtual bool needsRedraw();
virtual void didRedraw();
void modeChange(); // FIXME: rename 'redraw'?
void setSwitches(uint16_t *switches);
void writeLores(uint16_t address, uint8_t v);
void writeHires(uint16_t address, uint8_t v);
private:
bool deinterlaceAddress(uint16_t address, uint8_t *row, uint8_t *col);
bool deinterlaceHiresAddress(uint16_t address, uint8_t *row, uint16_t *col);
void Draw80CharacterAt(uint8_t c, uint8_t x, uint8_t y, uint8_t offset);
void DrawCharacterAt(uint8_t c, uint8_t x, uint8_t y);
void Draw14DoubleHiresPixelsAt(uint16_t address);
void Draw14HiresPixelsAt(uint16_t addr);
void Draw80LoresPixelAt(uint8_t c, uint8_t x, uint8_t y, uint8_t offset);
void DrawLoresPixelAt(uint8_t c, uint8_t x, uint8_t y);
void draw2Pixels(uint16_t two4bitColors, uint16_t x, uint8_t y);
void drawPixel(uint8_t cidx, uint16_t x, uint8_t y);
const unsigned char *xlateChar(uint8_t c, bool *invert);
private:
volatile bool dirty;
uint16_t *switches; // pointer to the MMU's switches
};
#endif