On 1/12/2015 7:52 AM, Donald Likens wrote:
Can anyone explain why the following code did not work in AMODE 64 but works in AMODE 31?
Yes... bit 32 of R15 on entry to your STIMER exit routine is on. In AMODE 64 the LA of the ECB address propagates it into R1. Thus R1 indicates it is a cross-memory POST. In AMODE 31 the LA of the ECB ignores it so the POST works as expected.
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