1
0
mirror of https://github.com/cc65/cc65.git synced 2024-12-27 15:29:46 +00:00
cc65/testcode/lib/atari/sys.c
Greg King 0390c34e88 Changed multi-line C comments into another style.
The left side doesn't look unbalanced.
2014-06-30 16:51:07 -04:00

38 lines
727 B
C

/*
** testprogram for _sys() function on Atari
**
** 17-Sep-2013, chris@groessler.org
**
** uses PUTCHR IOCB function to display a string
*/
#include <atari.h>
#include <6502.h>
#include <conio.h>
static struct regs regs;
static struct __iocb *iocb = &IOCB; /* use IOCB #0 */
static char message[] = "I'm the sys test text\n";
int main(void)
{
/* setup IOCB for CIO call */
iocb->buffer = message;
iocb->buflen = sizeof(message) - 1;
iocb->command = IOCB_PUTCHR;
/* setup input registers */
regs.x = 0; /* IOCB #0 */
regs.pc = 0xe456; /* CIOV */
/* call CIO */
_sys(&regs);
if (regs.y != 1)
cprintf("CIO error 0x%02\r\n", regs.y);
cgetc();
return 0;
}