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docu updates [skip ci]

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wfjm
2022-12-21 12:58:05 +01:00
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doc/simh_diff_traced-wait.md
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@@ -15,6 +15,10 @@ precedence in those models.
SimH uses the J11 service order with interrupts having the lowest priority for
all PDP-11 models, and consequently, a traced `WAIT` falls through and raises
a trace trap immediately.
xxdp `ekbbf0` test 63 verifies the 11/70 behavior and is skipped.
xxdp program `ekbbf0` test 063 verifies the 11/70 behavior and is skipped
(see [patch](../tools/xxdp/ekbbf0_patch_1170.scmd)).
The w11 implements the proper 11/70 service order and `WAIT` behavior.
The w11 implements the 11/70 service order and `WAIT` behavior.
This is verified in a [tcode](../tools/tcode/README.md), the `WAIT` test is
skipped when executed on SimH
(see [cpu_details.mac](../tools/tcode/cpu_details.mac) test A4.4 part 4).