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Annotation of xinu/sys/lpstubs.c, revision 1.1.1.1

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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