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Author SHA1 Message Date
Peter Evans
f33f9cd493 Remove unnecessary check if tok == NULL 
This also corrects a formatting error (no space between the rparen of
the if and the lbrace of the code block).
 2018-03-13 00:33:32 -05:00
Peter Evans
090307f4fe Removed unnecessary code 2018-03-13 00:28:24 -05:00
Peter Evans
7d043abc9f Force removal of test program 2018-03-13 00:27:10 -05:00
Peter Evans
dc8a431f87 Always notify the screen of a refresh required 2018-03-13 00:13:59 -05:00
Peter Evans
19d006e9a3 Update tests to include register info 2018-03-13 00:12:52 -05:00
Peter Evans
5dcc25f5eb Reject -1 rows and columns 2018-03-12 00:33:22 -05:00
Peter Evans
543e3d0b73 Use uint32_t for all fields 2018-03-12 00:33:08 -05:00
Peter Evans
97865e9589 Subtract 0x400 for the correct offset 2018-03-12 00:32:42 -05:00
Peter Evans
e868718f31 (No, really, use the color blue) 2018-03-11 23:48:40 -05:00
Peter Evans
df960220ef First crack at lo-res graphics 2018-03-11 23:28:28 -05:00
Peter Evans
5a43ca9a7a Return random data in read contexts 
This applies only to addresses which aren't meant to return meaningful
data.
 2018-03-10 22:36:31 -06:00
Peter Evans
ce6f3c5835 Return bit 7 high if we set a flag on 2018-03-10 22:21:03 -06:00
Peter Evans
550eab742e Move hdump into correctly sorted slot 2018-03-09 16:51:12 -06:00
Peter Evans
74e8a30a4c Disassemble flag now works as intended 2018-03-09 16:46:04 -06:00
Peter Evans
ab6e6b03db Use option_open_file() 2018-03-09 16:45:39 -06:00
Peter Evans
87c7aa9249 Add hexdump function for vm_segment 2018-03-09 16:45:20 -06:00
Peter Evans
1ff5d17f19 Add hexdump command 2018-03-09 16:44:53 -06:00
Peter Evans
267171ea4a Change to option_open_file(), allow any file mode 2018-03-09 16:44:20 -06:00
Peter Evans
1235197418 Only fprintf if we know stream is not NULL 2018-03-07 21:24:29 -06:00
Peter Evans
dda7ae6288 When paused for the debugger, output should go to stdout 2018-03-07 21:24:15 -06:00
Peter Evans
d791ebbe2f Remove some unnecessary comments 2018-03-07 21:07:39 -06:00
Peter Evans
4d2f4ffd5f Set width/height as soon as we parse 2018-03-07 20:55:04 -06:00
Peter Evans
14123882c2 Use vm_di_get for file streams to close them 2018-03-07 20:54:46 -06:00
Peter Evans
f555196080 Test for !OK with system data addresses 2018-03-07 20:42:27 -06:00
Peter Evans
4d4fbdf79a Switch to vm_di for option variable storage 
Things like disk1, disk2, width/height, etc.
 2018-03-07 20:25:39 -06:00
Peter Evans
58190f0c9b Move notify_refresh into the proper file 2018-03-07 17:08:16 -06:00
Peter Evans
0edfcaf370 Add test for notify_refresh, skip for draw 2018-03-07 17:06:50 -06:00
Peter Evans
c3b86031bd Add tests for primary, alternate functions 2018-03-07 17:00:11 -06:00
Peter Evans
9cbfcac783 Add missing docblock comments 2018-03-07 16:28:11 -06:00
Peter Evans
9f09be93a9 Implement (true? better?) framerate cycle 2018-03-07 16:20:29 -06:00
Peter Evans
f1c0716313 Include draw.h header 2018-03-07 15:33:09 -06:00
Peter Evans
b00442a1c4 Change width/height to 3x apple window size 2018-03-07 15:23:00 -06:00
Peter Evans
d5450bf743 Refresh once every 30th of a second 
*Roughly...
 2018-03-07 00:20:27 -06:00
Peter Evans
91291be889 Draw the full screen at boot time to emulate initial look 
Which is to say, the initial look of @ symbols filling up your screen.
 2018-03-07 00:19:51 -06:00
Peter Evans
b2df144850 Remove blank-space render to speed up render time 2018-03-07 00:15:25 -06:00
Peter Evans
7edf0c5dbd Display @ symbols on startup 
There's actually a lot going on here to make the @ symbol display
happen.

The @ symbols are the visual representation of NUL-character bytes. They
are inverse video, as dictated by the Apple //e technical reference. As
part of the bootup sequence, those bytes are overwritten with space
characters.

As part of the work, we now have a table of rows and columns that map to
display buffer addresses.
 2018-03-06 22:12:41 -06:00
Peter Evans
1a6d8b6ced Actually do render control characters 2018-03-06 12:46:33 -06:00
Peter Evans
136d019f7a Show non-inversed text for Apple //e 2018-03-06 12:41:30 -06:00
Peter Evans
5fa696005d Slash character should be a forward slash 2018-03-06 00:28:52 -06:00
Peter Evans
9562dd19ce Rewrite dd to use phases and half-track steps 
Phases will yet be the death of me. THE DEATH OF ME.
 2018-03-03 21:29:19 -06:00
Peter Evans
f59f5e2d55 Remove colors 2018-03-02 16:43:22 -06:00
Peter Evans
9d585d6ef3 Remove colors 2018-03-02 16:43:00 -06:00
Peter Evans
998a139c00 Use state machine for stepper motor changes 2018-03-02 16:42:22 -06:00
Peter Evans
cbf693b186 Stop showing colors from criterion 
Vim's command buffer shows them literally, and then I get cranky
 2018-03-02 16:41:44 -06:00
Peter Evans
c5d1542937 Show correct PC counter in scan 2018-03-01 21:37:10 -06:00
Peter Evans
b239cac239 Add dblock command to disassemble blocks of code 2018-03-01 19:31:56 -06:00
Peter Evans
0315eb33bf Better testing for ROL/ROR 2018-03-01 18:31:03 -06:00
Peter Evans
0949661b18 Do a better job testing overflow 2018-03-01 17:24:51 -06:00
Peter Evans
f8bda4ebd3 Remove modify_status() function 
Also rewrite tests to use macros
 2018-02-28 21:40:52 -06:00
Peter Evans
8d0cf264d7 Add missing NZ checks in INC and DEC 2018-02-28 21:34:58 -06:00