Apple-2-SW/dos33fsprogs
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95451c2149
dos33fsprogs/vaporlock/iie
History
Vince Weaver 95451c2149 mode_switch: clean up double code a bit
2023-04-26 11:03:58 -04:00
..
double.s mode_switch: clean up double code a bit 2023-04-26 11:03:58 -04:00
hello.bas vaporlock: split 2022-02-28 16:27:00 -05:00
Makefile vaporlock: update the iie code 2023-04-26 10:48:23 -04:00
novblank.s vaporlock: update the iie code 2023-04-26 10:48:23 -04:00
README vaporlock: update the iie code 2023-04-26 10:48:23 -04:00
split.s vaporlock: update the iie code 2023-04-26 10:48:23 -04:00

README 

Some experiments with mid-screen mode switching on the Apple IIe.

Was initially trying some vaporlock for the AppleIIbot but forgot the
emulator used there (linapple?) doesn't implement the VBLANK register,
or mid-screen mode switching.

Further work in this directory is looking at more advanced switching
of the double modes (80-column, double-lores, double-hires) as well as
messing with the AN3 setting.


SPLIT -- tiny apple IIe mode switch code
NOVBLANK -- apple IIe mode switch that doesn't wait for VBLANK
DOUBLE -- test of mid-screen switch of double modes