mirror of
https://github.com/cc65/cc65.git
synced 2024-11-07 21:10:15 +00:00
38 lines
727 B
C
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(®s);
|
|
|
|
if (regs.y != 1)
|
|
cprintf("CIO error 0x%02\r\n", regs.y);
|
|
|
|
cgetc();
|
|
return 0;
|
|
}
|