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more work on IEC, some refactoring and temporary breakage

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FeralChild64 committed 2019-06-20 11:23:30 +02:00
1 parent fd04410bd8
commit edb0013536
25 files changed
+248 -337
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c64/kernal/iec_wait_for_data_release.s
+5 -3
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@@ -1,5 +1,7 @@
iec_wait_for_data_release:
LDA $DD00
and #$40
beq iec_wait_for_data_release
lda CI2PRA
;; Check the highest bit, which is DATA IN,
;; (highest bit set = negative value)
bpl iec_wait_for_data_release
rts