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https://github.com/isometimes/rpi4-osdev
synced 2024-11-08 19:30:39 +00:00
Refactored for 320x200 - going retro after all
This commit is contained in:
parent
ef1cd6d4df
commit
54b30f1684
10 changed files with 68 additions and 64 deletions
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@ -1,5 +1,4 @@
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#include "wgt.h"
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#include "wpal.h"
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// ######## WGT EXAMPLES ########
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@ -7,7 +6,7 @@ void wgt01()
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{
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vga256 (); /* Initializes WGT system */
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wsetcolor (vgapal[15]);
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wline (0, 0, 1919, 1079); /* Draw a line */
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wline (0, 0, 319, 199); /* Draw a line */
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}
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void main()
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@ -1,5 +1,4 @@
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#include "wgt.h"
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#include "wpal.h"
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// ######## REQUIRED FUNCTIONS ########
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@ -60,17 +59,17 @@ void wgt02()
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/* Put randomly coloured pixels in random screen coordinates */
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do {
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wsetcolor (vgapal[rand () % 256]);
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x = rand () % 1920;
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y = rand() % 1080;
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wsetcolor (vgapal[rand () % 255]);
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x = rand () % 320;
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y = rand() % 200;
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wputpixel (x, y);
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} while (kbhit () == 0);
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getch ();
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wcls (vgapal[0]); /* Clear screen with color 0 */
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wsetcolor (vgapal[10]); /* Now we will draw with #10 */
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for (x = 0; x < 1920; x++)
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for (y = 0; y < 1080; y++)
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for (x = 0; x < 320; x++)
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for (y = 0; y < 200; y++)
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wfastputpixel (x, y); /* Fast due to no clipping checking */
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getch ();
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@ -79,18 +78,18 @@ void wgt02()
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/* Put randomly coloured pixels in the top left corner of the screen */
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for (i = 0; i < 15000; i++)
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{
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wsetcolor (vgapal[rand () % 256]);
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x = rand () % 960;
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y = rand () % 540;
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wsetcolor (vgapal[rand () % 255]);
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x = rand () % 160;
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y = rand () % 100;
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wputpixel (x, y);
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}
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/* Now use wgetpixel to read image off screen */
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for (y = 0; y < 540; y++)
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for (x = 0; x < 960; x++)
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for (y = 0; y < 100; y++)
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for (x = 0; x < 160; x++)
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{
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wsetcolor (wgetpixel (x, y));
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wputpixel (x + 960, y + 540);
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wputpixel (x + 160, y + 100);
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}
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getch ();
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@ -40,7 +40,7 @@ unsigned int kb = 0;
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unsigned int kbhit(void) {
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kb++;
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return kb / 500;
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return kb / 15000;
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}
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void getch(void) {
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@ -67,9 +67,12 @@ void wgt03()
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vga256 (); /* Initialize WGT system */
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debugstr ("WGT Example #3"); debugcrlf(); debugcrlf();
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debugstr ("This program will use the wcls routine to clear the screen"); debugcrlf();
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debugstr ("using random colors as fast as it can until you press a key."); debugcrlf();
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debugstr ("It will then report the highest frame rate possible on your computer."); debugcrlf(); debugcrlf(); debugcrlf();
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debugstr ("This program will use the wcls routine"); debugcrlf();
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debugstr ("to clear the screen using random"); debugcrlf();
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debugstr ("colors as fast as it can until you"); debugcrlf();
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debugstr ("press a key."); debugcrlf(); debugcrlf();
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debugstr ("It will then report the highest frame"); debugcrlf();
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debugstr ("rate possible on your computer."); debugcrlf(); debugcrlf(); debugcrlf();
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int el = get_el();
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debugstr("Exception level: "); debughex(el); debugcrlf();
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@ -109,7 +112,8 @@ void wgt03()
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unsigned int fps = clearcount / (timer / TIMERSPEED);
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debughex(fps); debugstr("frames per second"); debugcrlf(); debugcrlf(); debugcrlf();
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debugstr ("This is the highest frame rate your computer can produce for full screen\n"); debugcrlf();
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debugstr ("This is the highest frame rate your"); debugcrlf();
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debugstr ("computer can produce for full screen"); debugcrlf();
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debugstr ("animation.");
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}
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@ -62,7 +62,7 @@ void wgt04()
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ctr = 0; /* Start counter for first primitive */
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do {
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wclip (0, 0, 1919, 1079); /* Clip to full screen */
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wclip (0, 0, 319, 199); /* Clip to full screen */
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wouttextxy (230, 0, NULL, "WGT DEMO 4"); /* Display text */
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switch (ctr) /* Show primitive type */
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{
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@ -83,20 +83,20 @@ void wgt04()
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wsetpalette (0, 255, pal);
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break;
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}
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wclip (0, 8, 1919, 1079); /* Clip all primitives below text line */
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wclip (0, 8, 319, 199); /* Clip all primitives below text line */
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do {
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x = rand() % 1920; /* Randomize first point - (x,y) */
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y = rand() % 1080;
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x2 = rand() % 1920; /* Randomize second point - (x2,y2) */
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y2 = rand() % 1080;
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x = rand() % 320; /* Randomize first point - (x,y) */
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y = rand() % 200;
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x2 = rand() % 320; /* Randomize second point - (x2,y2) */
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y2 = rand() % 200;
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col = rand() % 256; /* Pick a color index to use */
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wsetcolor (vgapal[col]); /* Now use it */
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switch (ctr) /* Perform primitive */
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{
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case 0 : wline (x, y, x2, y2); break;
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case 1 : wfline (x, rand() % 1072 + 8, x2, rand() % 1072 + 8); break;
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case 1 : wfline (x, rand() % 192 + 8, x2, rand() % 192 + 8); break;
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case 2 : wrectangle (x, y, x2, y2); break;
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case 3 : wbar (x, y, x2, y2); break;
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case 4 : wcircle (x, y, rand() % MAX_RADIUS); break;
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@ -105,7 +105,7 @@ void wgt04()
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rand() % MAX_RADIUS); break;
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case 7 : wfill_ellipse (x, y, rand() % MAX_RADIUS,
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rand() % MAX_RADIUS); break;
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case 8 : wstyleline (x, rand() % 1072 + 8, x2, rand() % 1072 + 8,
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case 8 : wstyleline (x, rand() % 192 + 8, x2, rand() % 192 + 8,
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rand() ); break;
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case 9 : wbutt (x, y, x2, y2); break;
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}
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@ -75,8 +75,8 @@ void wgt07()
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wtexttransparent (TEXTFGBG); /* Turn foreground and background on */
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do {
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x = rand() % 1920;
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y = rand() % 1080;
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x = rand() % 320;
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y = rand() % 200;
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col = rand() % 256;
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wtextcolor (vgapal[col]);
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wouttextxy (x, y, NULL, "WordUp Graphics Toolkit");
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@ -87,8 +87,8 @@ void wgt07()
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wtextgrid (TEXTGRID_ON);
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do {
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x = rand() % 240;
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y = rand() % 135;
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x = rand() % 80;
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y = rand() % 25;
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col = rand() % 256;
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wtextcolor (vgapal[col]);
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wtextbackground (vgapal[rand() % 256]);
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@ -59,11 +59,11 @@ void wgt08()
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wcls (vgapal[0]);
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wsetcolor (vgapal[1]);
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wcircle (960, 540, 270); /* try filling a circle */
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wcircle (160, 100, 50); /* try filling a circle */
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getch ();
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wsetcolor (vgapal[40]);
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wregionfill (960, 540);
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wregionfill (160, 100);
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wsetcolor (vgapal[170]);
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wregionfill (0, 0);
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@ -73,24 +73,24 @@ void wgt08()
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for (x = 1; x < 10000; x++) /* try filling 10,000 random pixels */
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{
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wsetcolor (vgapal[rand() % 255]);
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wputpixel (rand() % 1920, rand() % 1080);
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wputpixel (rand() % 320, rand() % 200);
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}
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getch ();
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wsetcolor (vgapal[40]);
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wclip (300, 270, 1500, 810); /* fill works with clipping too! */
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wregionfill (960, 540);
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wclip (50, 50, 250, 150); /* fill works with clipping too! */
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wregionfill (160, 100);
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wsetcolor (vgapal[7]);
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wclip (60, 54, 240, 216);
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wregionfill (120, 108);
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wclip (10, 10, 40, 40);
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wregionfill (20, 20);
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wsetcolor (vgapal[9]);
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wclip (1560, 864, 1800, 1026);
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wregionfill (1620, 918);
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wclip (260, 160, 300, 190);
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wregionfill (270, 170);
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wsetcolor (vgapal[10]);
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wclip (0, 0, 1919, 1079);
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wclip (0, 0, 319, 199);
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wregionfill (0, 0);
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getch ();
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@ -61,22 +61,24 @@ void wgt09()
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mem_init();
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vga256 ();
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for (i = 1; i < 1080; i++)
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for (i = 1; i < 200; i++)
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{
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wsetcolor (vgapal[i % 255]);
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wline (0, 0, 1919, i);
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wline (1919, 1079, 0, 1079 - i);
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wsetcolor (vgapal[i]);
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wline (0, 0, 319, i);
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wline (319, 199, 0, 199 - i);
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}
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screen1 = wnewblock (0, 0, 1919, 1079); /* capture the entire screen */
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part1 = wnewblock (0, 0, 900, 810); /* get a part of the screen */
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getch();
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screen1 = wnewblock (0, 0, 319, 199); /* capture the entire screen */
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part1 = wnewblock (0, 0, 150, 150); /* get a part of the screen */
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/* Note that wnewblock allocates the memory for the block */
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wcls (vgapal[0]);
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do {
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x = rand() % 1920;
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y = rand() % 1080;
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x = rand() % 320;
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y = rand() % 200;
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wputblock (x, y, part1, 0); /* put the part somewhere */
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} while (!kbhit ());
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@ -85,8 +87,6 @@ void wgt09()
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wputblock (0, 0, screen1, 0); /* replace the mess with the */
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/* original screen */
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getch (); /* get the key */
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wfreeblock (screen1); /* *** make sure to free the memory! */
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wfreeblock (part1);
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}
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@ -60,32 +60,32 @@ void wgt10()
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mem_init();
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vga256 ();
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for (y = 216; y >= 4; y--)
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for (y = 40; y >= 4; y--)
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{
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wfill_circle (y + 40, y + 10, y); /* draw a pattern */
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wsetcolor (vgapal[(y % 235) + 20]);
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wsetcolor (vgapal[y + 20]);
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}
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part1 = wnewblock (0, 0, 960, 540); /* get the circle in a block */
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part1 = wnewblock (0, 0, 160, 100); /* get the circle in a block */
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getch();
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wcls (0);
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for (x = 0; x < 1920; x++)
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for (x = 0; x < 320; x++)
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{
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wsetcolor (vgapal[x % 255]);
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wline (x, 0, x, 1079);
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wline (x, 0, x, 199);
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}
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getch();
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wputblock (960, 0, part1, 0); /* normal mode */
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wputblock (160, 0, part1, 0); /* normal mode */
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wflipblock (part1, 0);
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wputblock (960, 540, part1, 1); /* XRAY mode */
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wputblock (160, 100, part1, 1); /* XRAY mode */
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wflipblock (part1, 1);
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wputblock (0, 540, part1, 0); /* normal mode */
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wputblock (0, 100, part1, 0); /* normal mode */
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wflipblock (part1, 0);
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wputblock (0, 0, part1, 1); /* XRAY mode */
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@ -2,7 +2,7 @@
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block abuf; /* pointer to the active screen */
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unsigned int currentcolor;
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short tx = 0,ty = 0,bx = 1919,by = 1079; /* clipping variables */
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short tx = 0,ty = 0,bx = 319,by = 199; /* clipping variables */
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int curx = 0;
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int cury = 0;
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@ -65,10 +65,10 @@ void wcls (unsigned int col)
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}
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void debugstr(char *str) {
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if (curx + (strlen(str) * 8) >= 1920) {
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if (curx + (strlen(str) * 8) >= 320) {
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curx = 0; cury += 8;
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}
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if (cury + 8 >= 1080) {
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if (cury + 8 >= 200) {
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cury = 0;
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}
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wtextcolor(vgapal[15]);
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@ -14,8 +14,10 @@ void vga256(void)
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mbox[7] = MBOX_TAG_SETVIRTWH;
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mbox[8] = 8;
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mbox[9] = 8;
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mbox[10] = 1920;
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mbox[11] = 1080;
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//mbox[10] = 1920;
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//mbox[11] = 1080;
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mbox[10] = 320;
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mbox[11] = 200;
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mbox[12] = MBOX_TAG_SETVIRTOFF;
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mbox[13] = 8;
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