Preston Skupinski
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898c16637a
|
use read_word_long to clean up reading where the program counter should
point to when there is an interrupt
|
2012-01-05 21:02:57 -05:00 |
|
Preston Skupinski
|
12b352cfa5
|
Cleanup of SEP and REP
|
2012-01-05 19:49:35 -05:00 |
|
Preston Skupinski
|
0def76f12a
|
Cleanup of the set and clear p flag instructions
|
2012-01-05 19:29:50 -05:00 |
|
Preston Skupinski
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2d50806882
|
made the Direct_page_indexed_x template into Direct_page_indexed and
have it take the register it operates on
|
2012-01-05 01:02:23 -05:00 |
|
Preston Skupinski
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cdf374dcd0
|
Cleanup of branch instructions
|
2012-01-05 00:50:49 -05:00 |
|
Preston Skupinski
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577b47a497
|
cleanup of DEC instructions and started writing tests for them
|
2012-01-03 10:15:43 -05:00 |
|
Preston Skupinski
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55f059b09c
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Cleaned up INC instructions
|
2012-01-02 20:43:48 -05:00 |
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Preston Skupinski
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2158ce0fb2
|
wrote a generic template for the increment instructions that work on
registers and used it for those instructions
|
2012-01-02 15:16:56 -05:00 |
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Preston Skupinski
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213398bc35
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add some more checking of flags to the increment instruction tests
|
2012-01-02 01:12:38 -05:00 |
|
Preston Skupinski
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76a50808ac
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added tests for INC just for when working on the accumulator, INX and
INY
|
2012-01-02 00:45:23 -05:00 |
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Preston Skupinski
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0539c5c5ff
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move zero checking from end of each if block to end of function
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2012-01-01 23:53:31 -05:00 |
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Preston Skupinski
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e1f827b446
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use cpu_lib.addressing.Absolute_indexed_x for LDY_absolute_indexed_x
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2011-12-31 19:41:24 -05:00 |
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Preston Skupinski
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e6ce09016f
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move common addressing functionality for direct page indirect long indexed y to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 19:26:05 -05:00 |
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Preston Skupinski
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29a238b5bd
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move common addressing functionality for direct page indirect indexed y to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 19:12:39 -05:00 |
|
Preston Skupinski
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10d0ee341b
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move common addressing functionality for direct page indirect long to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 18:52:52 -05:00 |
|
Preston Skupinski
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664bf85268
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move common addressing functionality for direct page indexed x indirect to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 18:38:08 -05:00 |
|
Preston Skupinski
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23bedf5ce7
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move common addressing functionality for absolute long indexed x to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 18:17:19 -05:00 |
|
Preston Skupinski
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a29ee2fb7c
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move common addressing functionality for absolute long to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 18:01:06 -05:00 |
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Preston Skupinski
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9398885bc2
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move common addressing functionality for direct page indirect to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 17:32:39 -05:00 |
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Preston Skupinski
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0f73c71a7e
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move common addressing functionality for stack relative indirect indexed y to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 17:21:24 -05:00 |
|
Preston Skupinski
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1fd918801a
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move common addressing functionality for absolute indexed y to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 16:56:57 -05:00 |
|
Preston Skupinski
|
19e50d4bf7
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move common addressing functionality for absolute indexed x to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 16:56:48 -05:00 |
|
Preston Skupinski
|
72508335ba
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move common addressing functionality for stack relative to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 15:52:45 -05:00 |
|
Preston Skupinski
|
539aaff3ce
|
move common addressing functionality for direct page indexed x to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 15:26:41 -05:00 |
|
Preston Skupinski
|
65b7448052
|
move common addressing functionality for direct page and absolute to cpu_lib and use that as the basis for instructions that utilize that addressing mode
|
2011-12-31 15:26:29 -05:00 |
|
Preston Skupinski
|
4c5c5dc631
|
add unit tests for memory mapped io device support
|
2011-12-29 01:37:01 -05:00 |
|
Preston Skupinski
|
84472fab78
|
use read_byte_long rather than directly accessing bytes in the memory
array in the tests
|
2011-12-29 00:17:29 -05:00 |
|
Preston Skupinski
|
26ea82204f
|
added the ability for the cpu to load in an array of bytes
|
2011-12-27 19:33:14 -05:00 |
|
Preston Skupinski
|
64fbd28610
|
remove trailing whitespace
|
2011-12-27 19:04:10 -05:00 |
|
Preston Skupinski
|
225755bfb2
|
added functions for reading and storing words and then refactored the
codebase to use that instead where useful
|
2011-12-27 18:55:44 -05:00 |
|
Preston Skupinski
|
cd3c112b00
|
change 'reg' to 'r' in cpu_lib to shorten up calls and have it look more
like using the normal cpu object
|
2011-12-27 16:00:54 -05:00 |
|
Preston Skupinski
|
5ca04694de
|
started refactoring the codebase by turning zero checks to either set or clear the p status register z flag into a function in a helper library
|
2011-12-27 01:16:05 -05:00 |
|
Preston Skupinski
|
4106d81cdf
|
use charAt for accessing characters in a string for IE compatibility, fixes #1
|
2011-12-23 18:04:06 -05:00 |
|
Preston Skupinski
|
95e5a75e92
|
move MMU and CPU_65816 to the bottom of the function
|
2011-12-22 00:53:51 -05:00 |
|
Preston Skupinski
|
1199bff3e1
|
further minor style changes
|
2011-12-22 00:10:36 -05:00 |
|
Preston Skupinski
|
188fc0e713
|
numerous style fixes and code cleanup
|
2011-12-21 23:36:00 -05:00 |
|
Preston Skupinski
|
6950345d03
|
use equal rather than equals as equals is deprecated
|
2011-12-16 00:45:03 -05:00 |
|
Preston Skupinski
|
ad4f9e3c76
|
use a self executing function to hide as much from global scope as possible
|
2011-12-15 00:00:20 -05:00 |
|
Preston Skupinski
|
3bbe3c9999
|
many numerous minor style fixes
|
2011-11-23 02:05:19 -05:00 |
|
Preston Skupinski
|
4e19f48383
|
move size checking to read_byte and store_byte functions and clean up
all calls to those functions that do that checking
|
2011-11-22 13:42:55 -05:00 |
|
Preston Skupinski
|
155a153a29
|
don't use "location" as a name for a variable, general cleanup and
added checks where necessary
|
2011-11-22 11:53:42 -05:00 |
|
Preston Skupinski
|
f7e6cdff02
|
have load_binary use store_byte_long rather than store_byte
|
2011-11-06 19:34:32 -05:00 |
|
Preston Skupinski
|
7b016f1abb
|
updated the TODO
|
2011-11-06 10:15:42 -05:00 |
|
Preston Skupinski
|
135be106d9
|
Added executing only a set number of cycles per second and fixed the
problems firefox had with it
|
2011-11-06 00:20:31 -04:00 |
|
Preston Skupinski
|
a9b70c8ad0
|
Rework the way the cpu object loads and executes code
|
2011-11-05 21:45:36 -04:00 |
|
Preston Skupinski
|
798dd18835
|
use the correct p status register bit in DEC accumulator
|
2011-10-30 22:12:50 -04:00 |
|
Preston Skupinski
|
5f0424fd0b
|
update the TODO now that cycle counting has been added to everything
|
2011-10-30 00:22:44 -04:00 |
|
Preston Skupinski
|
a1a337f3f6
|
finish adding cycle counting to the remaining instructions
|
2011-10-30 00:18:36 -04:00 |
|
Preston Skupinski
|
06d512a668
|
added cycle counting to even more instructions
|
2011-10-29 22:30:28 -04:00 |
|
Preston Skupinski
|
5a44410146
|
numerous more instructions now feature cycle counting
|
2011-10-29 20:53:32 -04:00 |
|