Apple-2-SW
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rom4x
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28 Commits

Author SHA1 Message Date
mgcaret 4e38bdf5de
caveat regarding receiver memory 2018-10-15 15:53:58 -07:00
mgcaret a14af25f96 Docs updates for xmodem 2018-10-13 14:18:13 -07:00
mgcaret 65c2a4c7d0 xmodem: don't set up ACIA if closed apple held 2018-10-07 12:41:08 -07:00
mgcaret 464ce2e99d XModem: remove a couple of debug insns 2018-10-05 23:52:32 -07:00
mgcaret 7383c05f9e xmodem: 'C02 optimizations, applesoft routine error handing improved 2018-10-05 23:43:31 -07:00
mgcaret 4affcb82e4 XModem 2018-10-01 16:35:21 -07:00
mgcaret 264bf5ce0d reorganize dispatching to work like 5X 2018-09-29 23:56:04 -07:00
mgcaret 8ea78bd613 update reade for 4X 2018-09-18 09:11:47 -07:00
mgcaret 40f2ae5ac3 update reade for 4X 2018-09-18 09:10:01 -07:00
mgcaret a7c0aa2163 READMEs updated as request in #7 2018-01-02 12:51:27 -08:00
mgcaret 4f38bbccb2 Add patch to make delete key work like backspace in monitor GETLN/GETLN1 2017-10-11 12:38:29 -07:00
mgcaret 7ed3e10a22 reorganize documentation 2017-10-02 12:27:09 -07:00
mgcaret df08db5fce 4X: fix assembler warning; 4X+5X: Prepare for binary distribution 2017-10-02 11:21:09 -07:00
mgcaret ea801bed1f add block counter safety check to config finder 2017-05-27 17:08:08 -07:00
mgcaret fdbb458ec6 4X: create README.md specifically for 4X, add experimental config file support 2017-04-25 20:10:02 -07:00
mgcaret 69180fbd1d update dates for release 2017-04-08 14:05:48 -07:00
mgcaret 79187ea31e optimize accel5x and fix #4 2017-04-02 11:53:48 -07:00
mgcaret 3ac2b9d74f conversion to cc65 2017-03-18 20:00:43 -07:00
mgcaret 42499b5891 4X: safe default in disp wasn't so safe 2017-03-18 15:51:46 -07:00
mgcaret 63ca071737 Rework card clear to avoid stack ops 2017-01-21 16:52:20 -08:00
mgcaret d2b79dc4bb ons tack -> on stack 2017-01-21 11:45:53 -08:00
mgcaret 8cb2f1b418 Bug fixes and improvements. 
Move ext 5.25 boot snippet to load at $800 since we expect that to be trashed by boot sector anyway.
Replace beq/bra combination with bne.
Fix flashing 'R' to actually be flashing 'R' instead of random memory contents.
 2017-01-21 11:30:15 -08:00
mgcaret 97a3398a7d add 512kbit ROM image task to Rakefile 2017-01-21 11:15:56 -08:00
mgcaret c4b1070329 Simplify bootable ramdisk detection. Jump to AppleSoft if no boot device. 
I discovered that there are more than one ProDOS boot block in the wild, so I
simplified the check for recoverable RAM disk to check card for $01 and then
anything besides $00 and $FF since most uninitialized RAM tends to have one of
those two values.  This is slightly more rigid than the boot code checks for.
I added a jump to AppleSoft if no bootable device is found.  I changed the
message a little bit, too.
I also added notes about the feasibility of using the RamFactor firmware.
 2017-01-12 19:40:55 -08:00
mgcaret 1a8942bc97 save a byte 2017-01-03 23:17:01 -08:00
mgcaret 3458d8e7be I changed the msg format and forgot to adjust the code comment to match. fixed. 2017-01-03 23:02:00 -08:00
mgcaret 64fe87caed Fix ramdisk recovery to happen whether or not ca was pressed. 
Optimize some wee hours/YOLO code into something sensible.
Ensure that ram card slot rom space is twiddled so the registers are active.
 2017-01-03 21:19:47 -08:00
mgcaret 1cf35fd0f8 Initial code commit 2017-01-03 18:43:31 -08:00