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KA10: Fix second interrupt instruction on KA10.

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This commit is contained in:
Richard Cornwell 2022-04-25 17:44:02 -04:00
parent 68defe86c8
commit 047beb0e3e
1 changed files with 9 additions and 8 deletions
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17
PDP10/kx10_cpu.c
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@ -843,10 +843,10 @@ void set_interrupt(int dev, int lvl) {
if (lvl) { if (lvl) {
dev_irq[dev>>2] = 0200 >> lvl; dev_irq[dev>>2] = 0200 >> lvl;
pi_pending = 1; pi_pending = 1;
//#if DEBUG #if DEBUG
sim_debug(DEBUG_IRQ, &cpu_dev, "set irq %o %o %03o %03o %03o\n", sim_debug(DEBUG_IRQ, &cpu_dev, "set irq %o %o %03o %03o %03o\n",
dev & 0774, lvl, PIE, PIR, PIH); dev & 0774, lvl, PIE, PIR, PIH);
//#endif #endif
} }
} }
@ -871,10 +871,10 @@ void set_interrupt_mpx(int dev, int lvl, int mpx) {
*/ */
void clr_interrupt(int dev) { void clr_interrupt(int dev) {
dev_irq[dev>>2] = 0; dev_irq[dev>>2] = 0;
//#if DEBUG #if DEBUG
if (dev > 4) if (dev > 4)
sim_debug(DEBUG_IRQ, &cpu_dev, "clear irq %o\n", dev & 0774); sim_debug(DEBUG_IRQ, &cpu_dev, "clear irq %o\n", dev & 0774);
//#endif #endif
} }
/* /*
@ -955,9 +955,9 @@ void restore_pi_hold() {
for(lvl = 0100; lvl != 0; lvl >>= 1) { for(lvl = 0100; lvl != 0; lvl >>= 1) {
if (lvl & PIH) { if (lvl & PIH) {
PIR &= ~lvl; PIR &= ~lvl;
//#if DEBUG #if DEBUG
sim_debug(DEBUG_IRQ, &cpu_dev, "restore irq %o %03o\n", lvl, PIH); sim_debug(DEBUG_IRQ, &cpu_dev, "restore irq %o %03o\n", lvl, PIH);
//#endif #endif
PIH &= ~lvl; PIH &= ~lvl;
#if KS_ITS #if KS_ITS
pi_act &= ~lvl; pi_act &= ~lvl;
@ -4646,10 +4646,10 @@ in_loop:
#if KA | PDP6 #if KA | PDP6
st_pi: st_pi:
#endif #endif
//#if DEBUG #if DEBUG
sim_debug(DEBUG_IRQ, &cpu_dev, "trap irq %o %03o %03o \n", sim_debug(DEBUG_IRQ, &cpu_dev, "trap irq %o %03o %03o \n",
pi_enc, PIR, PIH); pi_enc, PIR, PIH);
//#endif #endif
pi_cycle = 1; pi_cycle = 1;
pi_rq = 0; pi_rq = 0;
pi_hold = 0; pi_hold = 0;
@ -4704,6 +4704,7 @@ st_pi:
Mem_read_nopage(); Mem_read_nopage();
goto no_fetch; goto no_fetch;
#elif PDP6 | KA #elif PDP6 | KA
pi_vect = AB;
goto fetch; goto fetch;
#endif #endif
} }