12 Commits

Author	SHA1	Message	Date
Luigi Thirty	181b98b95c	fixed language card memory reads not being redirected to LC RAM, prodos 2.4 now gets to the directory listing before crashing	2017-08-10 00:05:14 -04:00
Luigi Thirty	92a77fc3d5	added illegal NOP decoding so ProDOS 2.4 boots (at least to a screen saying there's not enough memory)	2017-08-08 18:48:03 -04:00
Luigi Thirty	ab3c32af3d	attached the Disk II ROM ... peripherals	2017-08-03 00:31:12 -04:00
Luigi Thirty	d0c22b09eb	low res graphics!	2017-08-02 18:54:50 -04:00
Luigi Thirty	5e6ae41c86	sbc notes	2017-08-02 04:07:19 -04:00
Luigi Thirty	4efe09ad30	carry flag problem	2017-08-02 04:01:06 -04:00
Luigi Thirty	16ad485931	apple II boots to monitor and BASIC starts but doesn't run programs	2017-08-01 17:40:01 -04:00
Luigi Thirty	caad9c6ff6	some bugfixes and adaptations for Apple II	2017-08-01 03:28:26 -04:00
Luigi Thirty	3bb4eed9d1	optimizations, refactoring, cleanup, fixing warnings, all kinds of stuff	2017-07-31 21:35:34 -04:00
Luigi Thirty	45e5c3c658	more optimization of the CPU	2017-07-31 17:09:37 -04:00
Luigi Thirty	447b39a2d0	it runs Integer BASIC! (but can't load cassettes so it's just hardcoded to load it at $E000)	2017-07-29 22:48:37 -04:00
Luigi Thirty	dd8301ccab	started implementing the 40x24 video terminal. can draw characters from the character generator ROM anywhere on the screen, plus support routines for finding offsets of character cells.	2017-07-27 02:28:52 -04:00