cc65/testcode/lib/atari/displaylist.c

/*
** testprogram for ANTIC instructions as defined in "_antic.h"
**
** 23-Feb-2017, Christian Krueger
*/

#include <conio.h>
#include <atari.h>
#include <peekpoke.h>
#include <string.h>

// code is only for testing purposes, as screen and display list are not aligned
// and jumps not set!

unsigned char DummyScreen[400];

void DisplayList = {
	DL_BLK1,
	DL_BLK2,
	DL_BLK3,
	DL_BLK4,
	DL_BLK5,
	DL_BLK6,
	DL_BLK7,
	DL_DLI(DL_BLK8),
	DL_LMS(DL_CHR40x8x1),
	DummyScreen,
	DL_HSCROL(DL_CHR40x10x1),
	DL_VSCROL(DL_CHR40x8x4),
	DL_CHR40x16x4,
	DL_LMS(DL_HSCROL(DL_VSCROL(DL_DLI(DL_CHR20x8x2)))),
	DummyScreen+120,
	DL_CHR20x16x2,
	DL_MAP40x8x4,
	DL_MAP80x4x2,
	DL_MAP80x4x4,
	DL_MAP160x2x2,
	DL_MAP160x1x2,
	DL_MAP160x2x4,
	DL_MAP160x1x4,
 	DL_MAP320x1x1, 
	DL_JVB,
	DL_JMP
};

unsigned char dlend = 0;


int
main(void)
{
    // unfortunately "sizeof()" doesn't work with void data
    // (Error: Size of data type is unknown)
    // so we trick with the addresses at front and end...

    int returnValue = (((unsigned int)&dlend-(unsigned int)&DisplayList) != 28);  // assure only one byte per instruction!

    clrscr();
    if (returnValue)
        cputs("Test FAILED!");
    else
        cputs("Test passed.");

    cputs("\n\rHit any key to exit...");
    cgetc();

    return returnValue;
}