chris/open-roms
1
0 Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fixes for IEC

Browse Source
This commit is contained in:
FeralChild64 committed 2019-06-20 16:49:35 +02:00
1 parent 28ce7e69bf
commit 5f57f58163
13 files changed
+167 -151
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

c64/kernal/iec_pull_data_release_atn_clock.s
+7
View File
@@ -0,0 +1,7 @@
iec_pull_data_release_atn_clock:
lda CI2PRA
ora #BIT_CI2PRA_DAT_OUT ; pull
and #$FF - BIT_CI2PRA_ATN_OUT - BIT_CI2PRA_CLK_OUT ; release
sta CI2PRA
rts