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IBM360: Added some debug messages.

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This commit is contained in:
Richard Cornwell 2023-05-09 12:23:41 -04:00
parent 43f59ab59c
commit feefb90fc0
2 changed files with 7 additions and 1 deletions
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1
IBM360/ibm360_chan.c
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@ -904,6 +904,7 @@ startio(uint16 addr) {
chan->daddr = addr;
chan->dev = dev;
sim_debug(DEBUG_CMD, &cpu_dev, "SIO start %03x %03x\n", addr, chan->daddr);
/* Try to load first command */
if (load_ccw(chan, 0)) {
M[0x44 >> 2] = ((uint32)chan->chan_status<<16) | (M[0x44 >> 2] & 0xffff);

7
IBM360/ibm360_dasd.c
View File

@ -373,14 +373,17 @@ uint8 dasd_startio(UNIT *uptr) {
/* Check if unit is busy */
if ((uptr->CMD & 0xff) != 0) {
sim_debug(DEBUG_CMD, dptr, "busy io unit=%d\n", unit);
return SNS_BSY;
}
/* Check if controller is free */
for (i = 0; i < dptr->numunits; i++) {
int cmd = (dptr->units[i].CMD) & 0xff;
if (cmd != 0 && cmd != DK_SEEK)
if (cmd != 0 && cmd != DK_SEEK) {
sim_debug(DEBUG_CMD, dptr, "busy io unit=%d %d busy\n", unit, i);
return SNS_BSY;
}
}
/* Set up for command to start */
@ -1480,6 +1483,7 @@ rd:
uptr->CMD &= ~(DK_PARAM); /* Start a new search */
uptr->CMD |= DK_OVFLOW;
}
data->state = DK_POS_AM;
break;
}
ch = *da;
@ -1754,6 +1758,7 @@ wrckd:
"WCKD end unit=%d %d %d %04x %x\n",
unit, data->tpos+8, count, data->tpos - data->rpos,
data->ovfl);
data->state = DK_POS_AM;
break;
}
if (uptr->CMD & DK_DONE || chan_read_byte(addr, &ch)) {