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Author SHA1 Message Date
Peter Evans
1245ddec55 Make encode/decode more testable with return codes 2018-02-04 00:21:39 -06:00
Peter Evans
8009a33bd4 Use int return for error code 2018-02-04 00:06:22 -06:00
Peter Evans
dd2b956b49 Add ERR_INVALID error code 2018-02-04 00:06:04 -06:00
Peter Evans
bef19539f6 Implement (most of) text_area test 2018-02-03 22:43:00 -06:00
Peter Evans
c503189b7c Add exception for 40col 2018-02-03 22:02:25 -06:00
Peter Evans
de67d5064b Add test for vm_screen_dirty, exception for prepare 2018-02-03 22:01:27 -06:00
Peter Evans
3329753ef7 Add test for vm_segment_fwrite 2018-02-03 22:00:04 -06:00
Peter Evans
2bdc921b76 Add missing docblocks 2018-02-03 21:56:27 -06:00
Peter Evans
67f943d891 When encoded, the track size is larger than 4k 2018-02-03 21:18:07 -06:00
Peter Evans
a970759bec Add missing extern for the save function 2018-02-03 21:17:54 -06:00
Peter Evans
164657a915 Allow us to run unit tests from the root dir 2018-02-03 20:50:45 -06:00
Peter Evans
3a1784a5a7 Add image, stream to eject test 2018-02-03 20:50:30 -06:00
Peter Evans
a6c1564747 Add fwrite function, support for streams and types 2018-02-03 20:50:08 -06:00
Peter Evans
2dd21f1487 Add image type, image segment 2018-02-03 18:10:29 -06:00
Peter Evans
c010c10ce2 Add missing docblocks 2018-02-03 17:46:56 -06:00
Peter Evans
10d13f755c Document the pseudo-instruction "bad" 2018-02-03 17:44:41 -06:00
Peter Evans
f45a64dfe4 Add missing tests file 2018-02-03 17:43:04 -06:00
Peter Evans
5fc0206ff6 Add defines for track/sector sizes 2018-02-03 00:24:22 -06:00
Peter Evans
5ac2fbdbee Add new decode functions, flesh out sector code 2018-02-03 00:23:57 -06:00
Peter Evans
a340c963a0 Add proper test for sector decode 2018-02-02 17:20:17 -06:00
Peter Evans
d2e21b55c4 Implement the sector decode function 
This was a bear to do, and the product being committed is probably my
third (or fourth?) try.
 2018-02-02 17:19:38 -06:00
Peter Evans
55c85b0ec6 Encoded code needed to change 2018-02-01 18:41:34 -06:00
Peter Evans
fadf5a9782 Add decode...code 2018-02-01 18:41:01 -06:00
Peter Evans
f4cdff0bfb Add sector encoding test 2018-01-31 16:52:58 -06:00
Peter Evans
b202e70b9b Add test suite for enc.c 2018-01-31 16:03:03 -06:00
Peter Evans
f87f77b806 Add ENC_VOLUME definition 2018-01-31 15:58:57 -06:00
Peter Evans
323803866a Include better documentation of otherwise grumpy functions 2018-01-31 15:58:32 -06:00
Peter Evans
98c2ef16cc Add encode function for nib 2018-01-31 15:40:39 -06:00
Peter Evans
4943d66e8c Correct typo so it's clear this is a get OOB 2018-01-31 15:40:06 -06:00
Peter Evans
c031822063 Use nibbilized size for dest; allow offset to overflow 2018-01-31 14:28:29 -06:00
Peter Evans
7ffe2cb527 Add _140K_NIB_ define 2018-01-31 14:28:00 -06:00
Peter Evans
ce405531b8 We switched the logic for C015 2018-01-31 00:20:37 -06:00
Peter Evans
a53ee9698b Compile the new enc.c file 2018-01-31 00:10:41 -06:00
Peter Evans
8a53e02f00 Rename to enc.c, add header file 2018-01-31 00:09:07 -06:00
Peter Evans
b09ca2dae5 Reword comment 2018-01-30 18:55:23 -06:00
Peter Evans
5c7dbb4cfe My first crack at some code for nibblization 2018-01-30 16:30:23 -06:00
Peter Evans
e2e5f20e24 First version of transcribed disk II controller ROM 2018-01-29 01:24:40 -06:00
Peter Evans
5812fb8672 Compile with debugging symbols for now 2018-01-29 00:30:49 -06:00
Peter Evans
b2bfee7f96 The SLOTCXROM switch seems to work opposite 
Which seems weird, but I've verified this in some other places.
 2018-01-29 00:30:12 -06:00
Peter Evans
58e2373a4d Add locked field to apple2dd struct 2018-01-28 18:06:41 -06:00
Peter Evans
418688cd15 Lock disk drives during disassembly 2018-01-28 18:06:14 -06:00
Peter Evans
33b44d1a70 selected_drive will now have a default value (of drive1) 2018-01-27 21:53:12 -06:00
Peter Evans
2c3d6a4dfa Reimplement idx and idy to use 16-bit addresses 
While I have found some conflicting details on how this should be done,
it seems pretty clear to me that IDX and IDY work with 16-bit addresses,
not 8-bit. The inability to do so was preventing us from probing
peripheral ROM (e.g. at $C705, for the disk controller).
 2018-01-27 19:54:55 -06:00
Peter Evans
9402eccc04 Add, and use, Apple //e enhanced rom 2018-01-27 19:54:19 -06:00
Peter Evans
4165c1cefc Make idx, idy clearer 
I'm still not confident this is how it _should_ work, but I have found
conflicting accounts online for the behavior of these two modes. The
current code is what allows the Apple II to bootstrap as it should.
 2018-01-27 13:04:19 -06:00
Peter Evans
38d80078d9 Remove obsoleted test functions 2018-01-27 00:16:39 -06:00
Peter Evans
dde7312864 No need to deal with carry here 2018-01-27 00:15:06 -06:00
Peter Evans
9bbfb95b02 Carry is no longer factored 2018-01-26 22:04:47 -06:00
Peter Evans
d29dfd442a Account for SLOTCXROM being on by default 2018-01-26 22:03:57 -06:00
Peter Evans
76e4d3797f By default SLOTCXROM should be high 2018-01-26 22:01:46 -06:00