calc.hpp

#pragma once
#include <stdint.h>
 
#include <sdk/os/lcd.hpp> //needed for getVramAddress and 
 
 
//Graphics stuff
 
extern uint16_t *vram;  //The vram pointer (this is used by routines like setPixel and has to be initialized by getVramAddress() or calc_init();
extern int width;   //width  of the screen
extern int height;  //height of the screen
 
void line(int x1, int y1, int x2, int y2, uint16_t color);
void triangle(int x0, int y0, int x1, int y1, int x2, int y2, uint16_t colorFill, uint16_t colorLine);
void fillScreen(uint16_t color);
 
inline uint16_t color(uint8_t R, uint8_t G, uint8_t B){
    return  (((R<<8) & 0b1111100000000000) |
         ((G<<3) & 0b0000011111100000) |
         ((B>>3) & 0b0000000000011111));
}
 
inline void setPixel(int x,int y, uint32_t color) {
    if(x>=0 && x < width && y>=0 && y < height)
        vram[width*y + x] = color;
}
 
//Stuff for Initialisation and stuff
 
inline void calcInit(){
    vram = LCD_GetVRAMAddress();
    LCD_GetSize(&width, &height);
    LCD_VRAMBackup();
}
inline void calcEnd(){
    LCD_VRAMRestore();
    LCD_Refresh();
}
 
//Stuff for the keyboard
 
extern "C" void getKey(uint32_t *key1, uint32_t *key2);
 
enum Keys1 {
    KEY_SHIFT       = 0x80000000,
    KEY_CLEAR       = 0x00020000, //The Power key
    KEY_BACKSPACE       = 0x00000080,
    KEY_LEFT        = 0x00004000,
    KEY_RIGHT       = 0x00008000,
    KEY_Z           = 0x00002000,
    KEY_POWER       = 0x00000040, //The exponent key
    KEY_DIVIDE      = 0x40000000,
    KEY_MULTIPLY        = 0x20000000,
    KEY_SUBTRACT        = 0x10000000,
    KEY_ADD         = 0x08000000,
    KEY_EXE         = 0x04000000,
    KEY_EXP         = 0x00000004,
    KEY_3           = 0x00000008,
    KEY_6           = 0x00000010,
    KEY_9           = 0x00000020,
};
 
enum Keys2 {
    KEY_KEYBOARD        = 0x80000000,
    KEY_UP          = 0x00800000,
    KEY_DOWN        = 0x00400000,
    KEY_EQUALS      = 0x00000080,
    KEY_X           = 0x00000040,
    KEY_Y           = 0x40000000,
    KEY_LEFT_BRACKET    = 0x00000020,
    KEY_RIGHT_BRACKET   = 0x00000010,
    KEY_COMMA       = 0x00000008,
    KEY_NEGATIVE        = 0x00000004,
    KEY_0           = 0x04000000,
    KEY_DOT         = 0x00040000,
    KEY_1           = 0x08000000,
    KEY_2           = 0x00080000,
    KEY_4           = 0x10000000,
    KEY_5           = 0x00100000,
    KEY_7           = 0x20000000,
    KEY_8           = 0x00200000,
};
 
inline bool testKey(uint32_t key1, uint32_t key2, Keys1 key){
    (void) key2;
    if (key1 & key) return true;
    else return false;
}
 
inline bool testKey(uint32_t key1, uint32_t key2, Keys2 key){
    (void) key1;
    if (key2 & key) return true;
    else return false;
}