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Author SHA1 Message Date
Peter Evans
2aeef09f97 Remove unused msb variable 2018-01-01 17:12:41 -06:00
Peter Evans
8f04deb642 Comment out unused cycles variable 2018-01-01 17:12:25 -06:00
Peter Evans
78aab1bd13 Fix potential memory leaks in create() 2018-01-01 17:11:03 -06:00
Peter Evans
a2b4fe1466 Write an fread function for segments; use in apple2.dd 2017-12-31 20:28:11 -06:00
Peter Evans
e14e22a596 Uh, so we forgot to read data into the disk 2017-12-31 15:54:30 -06:00
Peter Evans
f70f21789b Add flash memory, disassemble options 2017-12-31 15:50:59 -06:00
Peter Evans
ead5f28e79 Refactor to use cpu, not literal segments 2017-12-30 23:02:30 -06:00
Peter Evans
b42d5370aa Small bug in the jump label code for IND 
This also required a rethink on some core functions which now needed to
know about the memory segment; and further changes in the unit-testing
code on the disassembly suite was also necessary.
 2017-12-30 22:50:23 -06:00
Peter Evans
7e142e2736 Properly handle indirect addresses 2017-12-30 21:48:16 -06:00
Peter Evans
b7211f43c2 Testing relative label assignments 2017-12-29 17:14:20 -06:00
Peter Evans
26529f77ab Implement jump table, labels in code 2017-12-29 17:08:25 -06:00
Peter Evans
9000245002 Much documentation; use BUFSIZ for buf length 2017-12-29 15:55:25 -06:00
Peter Evans
927d03ebbe Add scan function (rename original scan -> opcode); test 2017-12-29 15:31:05 -06:00
Peter Evans
f98e2f65ee Add disassembly scan function, tests 2017-12-28 23:47:36 -06:00
Peter Evans
491b3c0c38 Add scan function for disassembly 2017-12-28 21:47:35 -06:00
Peter Evans
d95572bd4a Move instruction strings to mos6502.dis.c 2017-12-27 21:21:33 -06:00
Peter Evans
32d08fbbc5 Add new file for opcode disassembly 2017-12-27 21:21:11 -06:00
Peter Evans
1942a75d9e More documentation; remove DEFWIDTH/DEFHEIGHT 2017-12-27 17:14:54 -06:00
Peter Evans
6a230341e1 Make vm_area_set be an inline function. 
Gets most of the benefits of being a macro, but also gains type safety
(which macros do not have).
 2017-12-27 17:10:51 -06:00
Peter Evans
30223e0bca Remove screen area field; document area fields 2017-12-27 16:59:56 -06:00
Peter Evans
27f91ec00f Use vm_area with bitfont_offset 
This should further standardize on vm_area.
 2017-12-27 16:47:26 -06:00
Peter Evans
efb8f04555 Use vm_area for draw_rect. 
This simplifies and to some degree normalizes the way we reference areas
in the vm subsystem.
 2017-12-27 16:42:30 -06:00
Peter Evans
c7b830bb4a Switch references from SDL_Rect to vm_area 
We still use SDL_Rect internally, but we want to abstract the use of it
in our API. The only thing the rest of the app should care about is the
vm_area struct.
 2017-12-27 16:31:02 -06:00
Peter Evans
5407ce2d32 Add documentation for option functions 2017-12-27 14:32:13 -06:00
Peter Evans
76191991c8 Add a lot of missing documentation 2017-12-27 01:14:52 -06:00
Peter Evans
bcf354989d Tests for bitfont and screen 2017-12-27 01:02:56 -06:00
Peter Evans
eeecaf4bdc Add tests for get_width and get_height 2017-12-26 22:35:50 -06:00
Peter Evans
04d40a44f9 Reorganize tests 2017-12-26 17:20:06 -06:00
Peter Evans
f8ce9ae1d1 Documentation 2017-12-26 17:13:34 -06:00
Peter Evans
8146687110 Don't create a window when testing 
We do this by creating the notion of a "headless" mode, and skip window
creation in SDL.
 2017-12-26 17:06:08 -06:00
Peter Evans
5b35e2294e Add tests for new functions in apple2 2017-12-26 17:03:32 -06:00
Peter Evans
89a6161272 Reorganize header files 2017-12-26 16:47:34 -06:00
Peter Evans
253db81460 Comment out unused instruction string table 2017-12-26 16:45:24 -06:00
Peter Evans
81804532df Reorganize log.c 2017-12-26 16:44:28 -06:00
Peter Evans
68084cc0c3 Add apple2 header file 2017-12-26 16:43:08 -06:00
Peter Evans
a86fc8e80e Reorganize 2017-12-26 16:42:04 -06:00
Peter Evans
5fbd921d83 Reorganize 2017-12-26 16:39:32 -06:00
Peter Evans
f5af03786d Reorganize 2017-12-26 16:39:23 -06:00
Peter Evans
f50d599545 Beginnings of lo-res graphics 2017-12-24 15:07:24 -06:00
Peter Evans
7b19279f1d No need for this comment any longer 2017-12-22 20:45:26 -06:00
Peter Evans
4ad690212f Blank out the space we want to render a character 2017-12-22 17:49:36 -06:00
Peter Evans
29652b2368 Implement draw text functionality 2017-12-22 15:48:48 -06:00
Peter Evans
b2c1bd9e6d Hello world, in rendered text; use nearest pixel sampling 
The scale change removes some blurriness that we saw when copying pixels
from the bitmap font into the renderer.
 2017-12-22 12:56:22 -06:00
Peter Evans
979ca65f43 Add bitmap font to apple2, remove rectangle draw 2017-12-21 23:33:04 -06:00
Peter Evans
adac6346e8 Add color mode, text video modes 2017-12-21 11:52:56 -06:00
Peter Evans
87b67216b0 Default to lo-res mode 2017-12-20 21:54:54 -06:00
Peter Evans
23e113e72a Add video mode switcher to handle logical sizes 2017-12-20 21:52:28 -06:00
Peter Evans
7d62548248 Add the bones of the draw functions and file 2017-12-20 21:33:15 -06:00
Peter Evans
f55b608bee Move screen run logic into apple run_loop and create 2017-12-20 20:45:26 -06:00
Peter Evans
8c23f3fa7e Switch window sizes for 4.375:3 2017-12-20 19:32:54 -06:00