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