View difference between Paste ID: E4dRNSQ3 and aZdq5KZS

-#include <display_syscalls.h>
+#include <display_syscalls.h>
-#include <display.h>
+#include <display.h>
-#include <keyboard_syscalls.h>
+#include <keyboard_syscalls.h>
-#include <keyboard.hpp>
+#include <keyboard.hpp>
-#include <math.h>
+#include <math.h>
-#include <color.h>
+#include <color.h>
-
+
-short unsigned int heightcolor(float z, float z_min, float z_max);
+short unsigned int heightcolor(float z, float z_min, float z_max);
-void fillArea(int x, int y, int width, int height, int color);
+void fillArea(int x, int y, int width, int height, int color);
-int PRGM_GetKey(void);
+int PRGM_GetKey(void);
-void plot(int x0, int y0, int color);
+void plot(int x0, int y0, int color);
-
+
-int main(void) {
+int main(void) {
-	//program variables
+	//program variables
-	int key;
+	int key;
-	int done = 0;
+	int done = 0;
-
+
-	//graphing variables
+	//graphing variables
-	float start = 0;
+	float start = 0;
-	float t;
+	float t;
-	int x;
+	float x;
-	int y = 2;
+	float y = 100;
-	int h = 2;
+	int h = 2;
-	float g = -9.8;
+	float g = -9.8;
-	int vy = 0;
+	float vy = 0;
-	int vx = 100;
+	float vx = 100;
-	char buffer2[10];
+	char buffer2[10];
-
+
-
+
-
+
-	for(t=start; t < 2; t += 0.01) {
+	for(t=start; t < 2; t += 0.01) {
-		//y = h+0.5*g* t*t + vy*t;
+		//y = h+0.5*g* t*t + vy*t;
-		//x = vx*t;
+		//x = vx*t;
-
+
-		x = vx*t;
+		x = vx*t;
-		y += vy;
+		y += vy;
-		vy -= 9.8;
+		vy -= 9.8;
-
+
-		//start debug
+		//start debug
-		strcpy(buffer2,"  ");
+		strcpy(buffer2,"  ");
-		itoa(x, buffer2+2);
+		itoa(x, buffer2+2);
-		PrintXY(3, 1, buffer2, TEXT_MODE_NORMAL, TEXT_COLOR_BLACK);
+		PrintXY(3, 1, buffer2, TEXT_MODE_NORMAL, TEXT_COLOR_BLACK);
-
+
-		strcpy(buffer2,"  ");
+		strcpy(buffer2,"  ");
-		itoa(x, buffer2+2);
+		itoa(x, buffer2+2);
-		PrintXY(3, 2, buffer2, TEXT_MODE_NORMAL, TEXT_COLOR_BLACK);
+		PrintXY(3, 2, buffer2, TEXT_MODE_NORMAL, TEXT_COLOR_BLACK);
-
+
-		PrintXY(1, 1, "  X", TEXT_MODE_NORMAL, TEXT_COLOR_BLACK);
+		PrintXY(1, 1, "  X", TEXT_MODE_NORMAL, TEXT_COLOR_BLACK);
-		PrintXY(1, 2, "  Y", TEXT_MODE_NORMAL, TEXT_COLOR_BLACK);
+		PrintXY(1, 2, "  Y", TEXT_MODE_NORMAL, TEXT_COLOR_BLACK);
-		//end debug
+		//end debug
-
+
-		plot(x, LCD_HEIGHT_PX - y, COLOR_BLACK);
+		plot(x, LCD_HEIGHT_PX - y, COLOR_BLACK);
-		Bdisp_PutDisp_DD();
+		Bdisp_PutDisp_DD();
-	}
+	}
-
+
-
+
-
+
-	while(!done) {
+	while(!done) {
-		key = PRGM_GetKey();
+		key = PRGM_GetKey();
-
+
-		switch(key) {
+		switch(key) {
-			case KEY_PRGM_MENU:
+			case KEY_PRGM_MENU:
-			done = 1;
+			done = 1;
-			break;
+			break;
-		}
+		}
-	}
+	}
-
+
-	return 1;
+	return 1;
-}
+}
-
+
-
+
-//routines
+//routines
-short unsigned int heightcolor(float z, float z_min, float z_max) {
+short unsigned int heightcolor(float z, float z_min, float z_max) {
-         float frac = ((z-z_min)/(z_max-z_min));
+         float frac = ((z-z_min)/(z_max-z_min));
-
+
-         //color!
+         //color!
-         float r = (0.25f)-frac;
+         float r = (0.25f)-frac;
-         float g = (0.5f)-frac;
+         float g = (0.5f)-frac;
-         float b = (0.75f)-frac;
+         float b = (0.75f)-frac;
-
+
-         //calculate the R/G/B values
+         //calculate the R/G/B values
-         r = (r>0.f)?r:-r; g = (g>0.f)?g:-g; b = (b>0.f)?b:-b;   //absolute value
+         r = (r>0.f)?r:-r; g = (g>0.f)?g:-g; b = (b>0.f)?b:-b;   //absolute value
-         r = (0.25f)-r; g = (1.f/3.f)-g; b = (0.25f)-b;   //invert
+         r = (0.25f)-r; g = (1.f/3.f)-g; b = (0.25f)-b;   //invert
-         r = (r>0.f)?(6.f*r):0.f; g = (g>0.f)?(6.f*g):0.f; b = (b>0.f)?(6.f*b):0.f;   //scale the chromatic triangles
+         r = (r>0.f)?(6.f*r):0.f; g = (g>0.f)?(6.f*g):0.f; b = (b>0.f)?(6.f*b):0.f;   //scale the chromatic triangles
-         r = (r>1.f)?1.f:r; g = (g>1.f)?1.f:g; b = (b>1.f)?1.f:b;   //clip the top of the chromatic triangles
+         r = (r>1.f)?1.f:r; g = (g>1.f)?1.f:g; b = (b>1.f)?1.f:b;   //clip the top of the chromatic triangles
-         if (frac < 0.25f) r = (r+1.f)/2.f;   //adjust the bottom end of the scale so that z_min is red, not black
+         if (frac < 0.25f) r = (r+1.f)/2.f;   //adjust the bottom end of the scale so that z_min is red, not black
-         if (frac > 0.75f) b = (b+1.f)/2.f;   //adjust the top end of the scale so that z_max is blue, not black
+         if (frac > 0.75f) b = (b+1.f)/2.f;   //adjust the top end of the scale so that z_max is blue, not black
-         return (short unsigned int)(0x0000ffff & (((int)(31.f*r) << 11) | ((int)(63.f*g) << 5) | ((int)(31.f*b))));   //put the bits together
+         return (short unsigned int)(0x0000ffff & (((int)(31.f*r) << 11) | ((int)(63.f*g) << 5) | ((int)(31.f*b))));   //put the bits together
-}
+}
-
+
-void fillArea(int x, int y, int width, int height, int color) {
+void fillArea(int x, int y, int width, int height, int color) {
-    //only use lower two bytes of color
+    //only use lower two bytes of color
-    char* VRAM = (char*)0xA8000000;
+    char* VRAM = (char*)0xA8000000;
-    VRAM += 2*(LCD_WIDTH_PX*y + x);
+    VRAM += 2*(LCD_WIDTH_PX*y + x);
-    for(int j=y; j<y+height; j++) {
+    for(int j=y; j<y+height; j++) {
-       for(int i=x; i<x+width;  i++) {
+       for(int i=x; i<x+width;  i++) {
-          *(VRAM++) = (color&0x0000FF00)>>8;
+          *(VRAM++) = (color&0x0000FF00)>>8;
-          *(VRAM++) = (color&0x000000FF);
+          *(VRAM++) = (color&0x000000FF);
-       }
+       }
-       VRAM += 2*(LCD_WIDTH_PX-width);
+       VRAM += 2*(LCD_WIDTH_PX-width);
-    }
+    }
- }
+ }
-
+
-int PRGM_GetKey(void) {
+int PRGM_GetKey(void) {
-  unsigned char buffer[12];
+  unsigned char buffer[12];
-  PRGM_GetKey_OS( buffer );
+  PRGM_GetKey_OS( buffer );
-  return ( buffer[1] & 0x0F ) * 10 + ( ( buffer[2] & 0xF0 ) >> 4 );
+  return ( buffer[1] & 0x0F ) * 10 + ( ( buffer[2] & 0xF0 ) >> 4 );
-}
+}
-
+
-void plot(int x0, int y0, int color) {
+void plot(int x0, int y0, int color) {
-    char* VRAM = (char*)0xA8000000;
+    char* VRAM = (char*)0xA8000000;
-    VRAM += 2*(y0*LCD_WIDTH_PX + x0);
+    VRAM += 2*(y0*LCD_WIDTH_PX + x0);
-    *(VRAM++) = (color&0x0000FF00)>>8;
+    *(VRAM++) = (color&0x0000FF00)>>8;
-    *(VRAM++) = (color&0x000000FF);
+    *(VRAM++) = (color&0x000000FF);
-    return;
+    return;
- }
+ }
-
+
 //my routines