mirror of https://github.com/JorjBauer/aiie.git
88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
#ifndef __TEENSY_DISPLAY_H
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#define __TEENSY_DISPLAY_H
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#include <Arduino.h>
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#include "physicaldisplay.h"
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#define TEENSY_DHEIGHT 192
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#define TEENSY_DWIDTH 280
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// run length of one row of pixels
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#define TEENSY_DRUN (TEENSY_DWIDTH/2)
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#define regtype volatile uint8_t
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#define regsize uint8_t
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#define cbi(reg, bitmask) *reg &= ~bitmask
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#define sbi(reg, bitmask) *reg |= bitmask
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#define pulse_high(reg, bitmask) { sbi(reg, bitmask); cbi(reg, bitmask); }
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#define pulse_low(reg, bitmask) { cbi(reg, bitmask); sbi(reg, bitmask); }
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#define cport(port, data) port &= data
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#define sport(port, data) port |= data
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#define swap(type, i, j) {type t = i; i = j; j = t;}
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class UTFT;
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class BIOS;
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class TeensyDisplay : public PhysicalDisplay {
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friend class BIOS;
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public:
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TeensyDisplay();
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virtual ~TeensyDisplay();
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virtual void blit(AiieRect r);
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virtual void redraw();
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virtual void clrScr();
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virtual void flush() {};
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virtual void drawCharacter(uint8_t mode, uint16_t x, uint8_t y, char c);
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virtual void drawString(uint8_t mode, uint16_t x, uint8_t y, const char *str);
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virtual void drawImageOfSizeAt(const uint8_t *img, uint16_t sizex, uint8_t sizey, uint16_t wherex, uint8_t wherey);
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virtual void cacheDoubleWidePixel(uint16_t x, uint16_t y, uint8_t color);
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virtual void cache2DoubleWidePixels(uint16_t x, uint16_t y, uint8_t colorA, uint8_t colorB);
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virtual void cachePixel(uint16_t x, uint16_t y, uint8_t color);
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protected:
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void moveTo(uint16_t col, uint16_t row);
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void drawNextPixel(uint16_t color);
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private:
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regtype *P_RS, *P_WR, *P_CS, *P_RST, *P_SDA, *P_SCL, *P_ALE;
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regsize B_RS, B_WR, B_CS, B_RST, B_SDA, B_SCL, B_ALE;
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uint8_t fch, fcl; // high and low foreground colors
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void _fast_fill_16(int ch, int cl, long pix);
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void setYX(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
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void clrXY();
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void setColor(byte r, byte g, byte b);
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void setColor(uint16_t color);
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void fillRect(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
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virtual void drawPixel(uint16_t x, uint16_t y);
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virtual void drawPixel(uint16_t x, uint16_t y, uint16_t color);
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virtual void drawPixel(uint16_t x, uint16_t y, uint8_t r, uint8_t g, uint8_t b);
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virtual void drawUIPixel(uint16_t x, uint16_t y, uint16_t color);
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inline void LCD_Writ_Bus(uint8_t VH,uint8_t VL) __attribute__((always_inline));
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inline void LCD_Write_COM(uint8_t VL) __attribute__((always_inline));
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inline void LCD_Write_DATA(uint8_t VH,uint8_t VL) __attribute__((always_inline));
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inline void LCD_Write_DATA(uint8_t VL) __attribute__((always_inline));
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inline void LCD_Write_COM_DATA(uint8_t com1,uint16_t dat1) __attribute__((always_inline));
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bool needsRedraw;
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bool driveIndicator[2];
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bool driveIndicatorDirty;
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// video buffer is 4bpp
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uint8_t videoBuffer[TEENSY_DHEIGHT * TEENSY_DWIDTH / 2];
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};
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#endif
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