cool-bun-demo/main.c

155 lines
3.7 KiB
C

#include <stdio.h>
#include <clib/exec_protos.h>
#include <clib/graphics_protos.h>
#include <exec/exec.h>
#include <hardware/custom.h>
#include <hardware/dmabits.h>
#include <graphics/gfx.h>
#include "system/blitter.h"
#include "system/copper.h"
#include "system/system.h"
#include "screen.h"
#include "types.h"
#include "bun.h"
extern struct Custom far custom;
// this should be large enough to hold one bitplane of the largest object
// you are blitting, plus one additional word on each side
#define SCRATCH_AREA_WIDTH_BYTES (8)
#define SCRATCH_AREA_HEIGHT_ROWS (34)
#define SCRATCH_AREA_MEMORY_SIZE (SCRATCH_AREA_WIDTH_BYTES * SCRATCH_AREA_HEIGHT_ROWS)
volatile short *dbg = (volatile short *)0x100;
unsigned char *scratchArea;
struct ScreenSetup screenSetup;
struct CurrentScreen currentScreen;
void *copperlistBitplanePointers[8][2];
void *copperlistSpritePointers[8];
#define offsetof(s, m) &((struct s *)0)->m
uint16_t custom_color = (uint16_t)offsetof(Custom, color);
uint16_t custom_sprite = (uint16_t)offsetof(Custom, sprpt);
short int bunPositions[BUN_COUNT][2];
int main(void) {
uint16_t *copperlist, *currentCopperlist, result;
int i, j, x, y, plane;
int blitShiftRight, memoryXOffset, blitWidth;
uint32_t wow, wow2;
struct BunRenderer bunRenderer;
color_t colors[8];
colors[0] = 0x09b8;
colors[1] = 0x0000;
colors[2] = 0x0fff;
colors[3] = 0x000f;
printf("setting up, i haven't crashed...yet.\n");
setupBun();
setupScreen(&screenSetup, SCREEN_WIDTH, SCREEN_HEIGHT, 3);
setupInitialCurrentScreen(&screenSetup, &currentScreen);
setupBunRenderer(&bunRenderer, &screenSetup, &currentScreen);
// blitter copy the first bitplane row down to the second
copperlist = prepareNewCopperlist();
takeOverSystem();
setCopperlist(copperlist);
setUpDisplay((uint32_t)screenSetup.bitplanes);
currentCopperlist = addDisplayToCopperlist(
copperlist,
&screenSetup,
&currentScreen,
&copperlistBitplanePointers
);
currentCopperlist = setUpEmptySpritesInCopperlist(currentCopperlist);
*(currentCopperlist++) = custom_color;
*(currentCopperlist++) = 0x000;
*(currentCopperlist++) = custom_color + 2;
*(currentCopperlist++) = 0x000;
*(currentCopperlist++) = custom_color + 4;
*(currentCopperlist++) = 0xfff;
*(currentCopperlist++) = custom_color + 6;
*(currentCopperlist++) = 0x00F;
for (y = 0; y < 256; ++y) {
*(currentCopperlist++) = 1 + (31 << 1) + ((44 + y) << 8);
*(currentCopperlist++) = 0xFFFE;
*(currentCopperlist++) = custom_color;
*(currentCopperlist++) = 0x9b8;
*(currentCopperlist++) = 1 + ((31 + (320 / 4)) << 1) + ((44 + y) << 8);
*(currentCopperlist++) = 0xFFFE;
*(currentCopperlist++) = custom_color;
*(currentCopperlist++) = 0x000;
}
endCopperlist(currentCopperlist);
for (i = 0; i < 200; ++i) {
swapCurrentScreenBuffer(&screenSetup, &currentScreen);
for (plane = 0; plane < 2; ++plane) {
custom.bltcon0 = 0xc0 + (1 << 8);
custom.bltcon1 = 0;
custom.bltadat = 0x0000;
custom.bltafwm = 0xffff;
custom.bltalwm = 0xffff;
custom.bltdpt = currentScreen.planes[plane];
custom.bltdmod = 0;
custom.bltsize = screenSetup.byteWidth / 2 + (screenSetup.height << 6);
WaitBlit();
}
renderBunFrame(i, &bunRenderer);
updateDisplayInCopperList(
&screenSetup,
&currentScreen,
copperlistBitplanePointers
);
WaitTOF();
}
/*
for (i = 0; i < 200; ++i) {
WaitTOF();
}
*/
giveBackSystem();
teardownScreen(&screenSetup);
freeCopperlist(copperlist);
teardownBun();
for (i = 0; i < BUN_COUNT; ++i) {
printf("%d %d\n", bunPositions[i][0], bunPositions[i][1]);
}
return 0;
}