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3B2: LPT Device; MMU and SCSI fixes

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This change adds support for printing to an attached text file via the
Centronics port of a simulated PORTS feature card. A new device named
"LPT" has been added. See "help lpt" for documentation.

Additionally, there has been a fix to a bug in the SCSI tape boot
implementation and a very minor bug fix to the Rev 3 MMU.
This commit is contained in:
Seth Morabito
2023-04-09 10:36:40 -07:00
parent e4ad37eccc
commit 7be9f2f3e8
10 changed files with 253 additions and 87 deletions
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4
3B2/3b2_cpu.c
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@@ -846,9 +846,9 @@ t_stat cpu_show_cio(FILE *st, UNIT *uptr, int32 val, CONST void *desc)
fprintf(st, "---------------------\n");
for (slot = 0; slot < CIO_SLOTS; slot++) {
if (cio[slot].populated) {
fprintf(st, " %2d %s\n", slot, cio[slot].name);
fprintf(st, " %2d %s\n", slot + 1, cio[slot].name);
} else {
fprintf(st, " %2d -\n", slot);
fprintf(st, " %2d -\n", slot + 1);
}
}