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Author SHA1 Message Date
Peter Evans
f629b350fa We can't have a negative track pos; zero is the lowest 2017-12-14 22:46:50 -06:00
Peter Evans
a82348ff9a Missing header files, esp. stdbool 2017-12-14 22:30:09 -06:00
Peter Evans
a81f422d2d Add apple2.dd.c to source file list 2017-12-14 22:28:24 -06:00
Peter Evans
82d22c8fab Change name of header file in #include 2017-12-14 22:27:45 -06:00
Peter Evans
091939b06b Renaming files 2017-12-14 22:24:30 -06:00
Peter Evans
24e599a8fd Rename to apple2dd; add read/write functions 2017-12-14 22:14:55 -06:00
Peter Evans
58137cb2a0 Remove io_byte field; rename to apple2dd 2017-12-14 22:13:39 -06:00
Peter Evans
0162544fa6 Add initial struct and drive code 2017-12-13 20:30:32 -06:00
Peter Evans
577e92de9e Documentation is good. Write documentation. 2017-12-12 15:10:42 -06:00
Peter Evans
060b7000de Add tests to prove read/write mappers are used 2017-12-12 15:07:26 -06:00
Peter Evans
7da3c2ec20 Make use of our read/write mappers 2017-12-12 15:00:47 -06:00
Peter Evans
e019b6daee A warning to the concerned 2017-12-12 14:59:00 -06:00
Peter Evans
7da2f9e791 Add support for setting read/write map functions 2017-12-12 14:58:06 -06:00
Peter Evans
ca7e576266 Use a setup and teardown function 2017-12-12 14:53:45 -06:00
Peter Evans
bb92162dba Zero, not NULL. 
Not that there's a practical difference, but we should be clear that
we're zeroing out memory because its contents are vm_8bit values, not
pointers.
 2017-12-12 14:45:48 -06:00
Peter Evans
0bcf9e006d Explicit test that memory (plus others) are zeroed 2017-12-12 14:45:06 -06:00
Peter Evans
da62ac4ca6 Use double-slash comments 2017-12-12 14:35:13 -06:00
Peter Evans
6f4627802f We should also NULL out segment memory. 
Er... oops
 2017-12-12 14:33:55 -06:00
Peter Evans
06705f21fc Add mallocs for read/write tables, NULL-out code 2017-12-12 14:32:32 -06:00
Peter Evans
b36bb78a12 Add read/write map functions to vm_segment 2017-12-12 14:31:44 -06:00
Peter Evans
daab8a7f58 Add instruction strings (mapped to enum symbols) 2017-12-11 21:03:16 -06:00
Peter Evans
850fdc55b5 Add error codes to segment functions 2017-12-09 15:16:56 -06:00
Peter Evans
c4a6f77bcd We should be using the rts handler function 
Oops!
 2017-12-09 14:53:18 -06:00
Peter Evans
a720246e26 We need to account for the P register on the stack 2017-12-09 14:52:55 -06:00
Peter Evans
f44b029083 We need to check P's value as well 
This test broke once we began to (properly) push P onto the stack.
However, I'm not _clear_ on whether we should push P before or after we
set the INTERRUPT bit... We'll go with things as-is for now.
 2017-12-09 14:50:33 -06:00
Peter Evans
96b2542ea6 CARRY should be set if oper > 0 
This error became apparent once we added the missing modify_status
function to some instructions.
 2017-12-09 14:47:49 -06:00
Peter Evans
3954b1647f Missing status modifications in a number of instructions 2017-12-08 23:26:46 -06:00
Peter Evans
b0aa6d400a We should be pushing and popping status 2017-12-08 23:24:58 -06:00
Peter Evans
ccf16dd970 Documented some goals for the project 2017-12-08 22:34:09 -06:00
Peter Evans
0336fe7366 Documentation for files 2017-12-08 22:12:31 -06:00
Peter Evans
8a261f6600 We need to include the max disk slot 
Tiny comparison logic error. :grimace:
 2017-12-08 17:10:13 -06:00
Peter Evans
50563b44a2 Close any open files we have 2017-12-08 17:09:58 -06:00
Peter Evans
cf62694ef0 Add option parsing code, tests 2017-12-08 17:06:21 -06:00
Peter Evans
dccf80be5d More documentation 2017-12-06 21:37:14 -06:00
Peter Evans
ea2b68dc8c Documentation, and reorganizing macro definitions 2017-12-06 21:29:03 -06:00
Peter Evans
4af7e4444c This macro was no longer needed 2017-12-06 21:26:09 -06:00
Peter Evans
8cd9c5ffab Documentation, lacking 2017-12-06 21:25:47 -06:00
Peter Evans
ccd7a3f665 Moar documentation 2017-12-06 18:01:13 -06:00
Peter Evans
fca069d5de Documentation 2017-12-06 17:16:20 -06:00
Peter Evans
46fedccce1
Use the MIT license 2017-12-06 17:08:09 -06:00
Peter Evans
12d0e5403a Add documentation for the arith instructions 2017-12-06 17:03:37 -06:00
Peter Evans
d0dad61db8 Better documentation; use a macro to define modes 2017-12-06 16:54:14 -06:00
Peter Evans
eb865243bb We have to pass NULL into log_open now 2017-12-06 16:53:15 -06:00
Peter Evans
079cd9f096 We need to know what a FILE is 2017-12-06 16:52:33 -06:00
Peter Evans
102378640a Proper indentation 2017-12-06 16:45:16 -06:00
Peter Evans
ffd2550364 Better documentation; log to stdout 2017-12-06 16:43:30 -06:00
Peter Evans
4199637338 Erc, not emp 2017-12-06 16:11:13 -06:00
Peter Evans
18dca43e61 It's erc, not emp 2017-12-06 16:07:36 -06:00
Peter Evans
00ff9f069d Vastly simplify unit tests for mos6502 
Criterion's init and fini config options allow us to register setup and
teardown functions. We now use this to register the common cpu variable
for the mos6502 tests, albeit through the use of a global variable.

Doing so necessitated that each of the different test files have their
own suites, due to some implementation details in Criterion, but this is
No Big Deal.
 2017-12-06 15:57:15 -06:00
Peter Evans
98f70e0a9a Add functions for pressing/releasing keys 2017-12-06 15:21:39 -06:00