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PDP8/PDP11/VAX: Support high speed character input on console and other multiplexer ports instead of limiting input data rate to 1 character per clock tick.

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This commit is contained in:
Mark Pizzolato
2013-10-23 07:50:39 -07:00
parent c8ae76cb65
commit be46bac750
12 changed files with 39 additions and 48 deletions
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3
VAX/vax_stddev.c
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@@ -139,7 +139,7 @@ extern int32 fault_PC;
DIB tti_dib = { 0, 0, NULL, NULL, 1, IVCL (TTI), SCB_TTI, { NULL } };
UNIT tti_unit = { UDATA (&tti_svc, UNIT_IDLE|TT_MODE_8B, 0), 0 };
UNIT tti_unit = { UDATA (&tti_svc, UNIT_IDLE|TT_MODE_8B, 0), SERIAL_IN_WAIT };
REG tti_reg[] = {
{ HRDATAD (BUF, tti_unit.buf, 16, "last data item processed") },
@@ -277,6 +277,7 @@ int32 t = tti_unit.buf; /* char + error */
tti_csr = tti_csr & ~CSR_DONE; /* clr done */
tti_unit.buf = tti_unit.buf & 0377; /* clr errors */
CLR_INT (TTI);
sim_activate_abs (&tti_unit, tti_unit.wait); /* check soon for more input */
return t;
}