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Annotation of xinu/sys/lpstubs.c, revision 1.1

1.1     ! root        1: #ifdef ATT7300
        !             2: #include <intvectors_7300.h>
        !             3: #include <pi7300.h>
        !             4: #endif
        !             5: /* Since ATT7300 parallel interface has interrupts enabled all the time,
        !             6:    we had better arm them or face system crash on Centronics-pin-10 signal */
        !             7: lpinit()
        !             8: {
        !             9: #ifdef ATT7300
        !            10:   extern int piint();
        !            11: 
        !            12:   PIVEC = piint;               /* save C scratch regs, then jsr's to lpoin */
        !            13: #endif
        !            14: }
        !            15: lpopen()
        !            16: {
        !            17: }
        !            18: lpclose()
        !            19: {
        !            20: }
        !            21: lpwrite()
        !            22: {
        !            23: }
        !            24: lpputc()
        !            25: {
        !            26: }
        !            27: lpcntl()
        !            28: {
        !            29: }
        !            30: lpoin()
        !            31: {
        !            32: #ifdef ATT7300
        !            33:   *PI_DATA = 0;                        /* ack the PI by writing to data reg */
        !            34: #endif
        !            35: }

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