kickc/src/test/kc/examples/crunching/test-exomizer.c

47 lines
1.3 KiB
C

// Example showing how to crunch and decrunch part of a file using the KickAss Cruncher Plugins
// Exomizer Example
// https://github.com/p-a/kickass-cruncher-plugins
#pragma target(c64)
#pragma link("crunching.ld")
#include <c64.h>
// Address to decrunch the sprite to
char * const SPRITE = 0x2000;
char * const SPRITES_PTR = DEFAULT_SCREEN+OFFSET_SPRITE_PTRS;
void main() {
// Decrunch sprite file into memory
kickasm {{
:EXO_DECRUNCH(CRUNCHED_SPRITE_END)
}}
// Show the loaded sprite on screen
VICII->SPRITES_ENABLE = %00000001;
SPRITES_PTR[0] = toSpritePtr(SPRITE);
SPRITES_COLOR[0] = GREEN;
SPRITES_XPOS[0] = 0x15;
SPRITES_YPOS[0] = 0x33;
}
// The exomizer decruncher
export char EXOMIZER[] = kickasm(resource "exomizer_decrunch.asm") {{
.const EXO_LITERAL_SEQUENCES_USED = true
.const EXO_ZP_BASE = $02
.const EXO_DECRUNCH_TABLE = $0200
#import "exomizer_decrunch.asm"
}};
// Array with crunched data created using inline kickasm
export char CRUNCHED_SPRITE[] = kickasm(uses SPRITE, resource "sprite.png") {{
.modify MemExomizer(false, true) {
.pc = SPRITE
.var pic = LoadPicture("sprite.png", List().add($000000, $ffffff))
.for (var y=0; y<21; y++)
.for (var x=0;x<3; x++)
.byte pic.getSinglecolorByte(x,y)
}
CRUNCHED_SPRITE_END:
}};