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Bitmap mode working!

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FlightControl 2021-01-21 09:15:27 +01:00
parent 4db64f30cf
commit 2cd61a8d78
2 changed files with 154 additions and 0 deletions
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77
src/test/kc/examples/cx16/bitmap_1bpp_640_x_480.c Normal file
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// Example program for the Commander X16.
// Demonstrates the usage of the VERA graphic modes and layering.
// Author: Sven Van de Velde
#include <conio.h>
#include <printf.h>
#include <bitmap-draw.h>
#include <stdlib.h>
#include <division.h>
void main() {
// Before we configure the bitmap pane into vera memory we need to re-arrange a few things!
// It is better to load all in bank 0, but then there is an issue.
// So the default CX16 character set is located in bank 0, at address 0xF800.
// So we need to move this character set to bank 1, suggested is at address 0xF000.
// The CX16 by default writes textual output to layer 1 in text mode, so we need to
// realign the moved character set to 0xf000 as the new tile base for layer 1.
// We also will need to realign for layer 1 the map base from 0x00000 to 0x14000.
// This is now all easily done with a few statements in the new kickc vera lib ...
memcpy_in_vram(1, 0xF000, VERA_INC_1, 0, 0xF800, VERA_INC_1, 256*8); // We copy the 128 character set of 8 bytes each.
vera_layer_mode_tile(1, 0x14000, 0x1F000, 128, 64, 8, 8, 1);
vera_layer_mode_bitmap(0, (dword)0x00000, 640, 1);
screenlayer(1);
textcolor(WHITE);
bgcolor(BLACK);
clrscr();
gotoxy(0,54);
printf("vera in bitmap mode,\n");
printf("color depth 1 bits per pixel.\n");
printf("in this mode, it is possible to display\n");
printf("graphics in 2 colors (black or color).\n");
vera_layer_show(0);
bitmap_init(0, 0x00000);
bitmap_clear();
gotoxy(0,59);
textcolor(YELLOW);
printf("press a key ...");
while(!kbhit()) {
bitmap_line(modr16u(rand(),639,0), modr16u(rand(),639,0), modr16u(rand(),399,0), modr16u(rand(),399,0), rand()&1);
};
textcolor(WHITE);
bgcolor(BLACK);
clrscr();
gotoxy(0,54);
printf("here you see all the colors possible.\n");
gotoxy(0,59);
textcolor(YELLOW);
printf("press a key ...");
word x = 0;
byte color = 0;
while(!kbhit()) {
bitmap_line(x, x, 0, 399, color);
color++;
if(color>1) color=0;
x++;
if(x>639) x=0;
};
screenlayer(1);
textcolor(WHITE);
bgcolor(BLUE);
clrscr();
}

77
src/test/kc/examples/cx16/bitmap_2bpp_640_x_480.c Normal file
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// Example program for the Commander X16.
// Demonstrates the usage of the VERA graphic modes and layering.
// Author: Sven Van de Velde
#include <conio.h>
#include <printf.h>
#include <bitmap-draw.h>
#include <stdlib.h>
#include <division.h>
void main() {
// Before we configure the bitmap pane into vera memory we need to re-arrange a few things!
// It is better to load all in bank 0, but then there is an issue.
// So the default CX16 character set is located in bank 0, at address 0xF800.
// So we need to move this character set to bank 1, suggested is at address 0xF000.
// The CX16 by default writes textual output to layer 1 in text mode, so we need to
// realign the moved character set to 0xf000 as the new tile base for layer 1.
// We also will need to realign for layer 1 the map base from 0x00000 to 0x14000.
// This is now all easily done with a few statements in the new kickc vera lib ...
memcpy_in_vram(1, 0xF000, VERA_INC_1, 0, 0xF800, VERA_INC_1, 256*8); // We copy the 128 character set of 8 bytes each.
vera_layer_mode_tile(1, 0x14000, 0x1F000, 128, 64, 8, 8, 1);
vera_layer_mode_bitmap(0, (dword)0x00000, 640, 2);
screenlayer(1);
textcolor(WHITE);
bgcolor(BLACK);
clrscr();
gotoxy(0,54);
printf("vera in bitmap mode,\n");
printf("color depth 1 bits per pixel.\n");
printf("in this mode, it is possible to display\n");
printf("graphics in 2 colors (black or color).\n");
vera_layer_show(0);
bitmap_init(0, 0x00000);
bitmap_clear();
gotoxy(0,59);
textcolor(YELLOW);
printf("press a key ...");
while(!kbhit()) {
bitmap_line(modr16u(rand(),639,0), modr16u(rand(),639,0), modr16u(rand(),399,0), modr16u(rand(),399,0), rand()&3);
};
textcolor(WHITE);
bgcolor(BLACK);
clrscr();
gotoxy(0,54);
printf("here you see all the colors possible.\n");
gotoxy(0,59);
textcolor(YELLOW);
printf("press a key ...");
word x = 0;
byte color = 0;
while(!kbhit()) {
bitmap_line(x, x, 0, 399, color);
color++;
if(color>3) color=0;
x++;
if(x>639) x=0;
};
screenlayer(1);
textcolor(WHITE);
bgcolor(BLUE);
clrscr();
}