n loewen
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f42a81c9b2
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Include display in debugging printout
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2023-08-01 15:34:00 +01:00 |
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n loewen
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d74b6594be
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Make debugging less verbose
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2023-08-01 15:33:18 +01:00 |
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n loewen
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24767d1899
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Increase cycle limit
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2023-08-01 15:31:52 +01:00 |
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n loewen
|
5f79c981b2
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Correct off-by-one error in memory map
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2023-08-01 15:30:57 +01:00 |
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n loewen
|
55d4885889
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Pretty print machine code table
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2023-08-01 13:31:35 +01:00 |
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n loewen
|
7813aaf56c
|
Change debug level for memory-before-labelling table
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2023-08-01 13:31:13 +01:00 |
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n loewen
|
da0ababc59
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Initialize instruction pointer based on a constant, to move it after screen memory
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2023-08-01 13:30:48 +01:00 |
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n loewen
|
36e013b866
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Combine Memory-Map and Peripherals sections
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2023-08-01 13:05:51 +01:00 |
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n loewen
|
e75049551f
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Print memory tables in hex
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2023-08-01 12:57:30 +01:00 |
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n loewen
|
fa3ade15dd
|
Remove blank line
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2023-08-01 12:56:44 +01:00 |
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n loewen
|
0834516c6b
|
Tidy up debugging / print statements
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2023-08-01 12:56:31 +01:00 |
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n loewen
|
b16f6927ee
|
Fix bug where referencing a label re-sets the pointer to the label address
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2023-08-01 12:02:27 +01:00 |
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n loewen
|
34e86cd4f8
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Move cycle limit to a constant
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2023-08-01 12:01:50 +01:00 |
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n loewen
|
d0a6ca886b
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Pretty-print "Running at ..." header
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2023-08-01 12:00:20 +01:00 |
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n loewen
|
a41a1671fc
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Update TODO list
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2023-08-01 11:40:46 +01:00 |
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n loewen
|
321d8d1264
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Create utility script for pretty-printing memory
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2023-08-01 11:39:10 +01:00 |
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n loewen
|
36df142538
|
Create script for running assembler on its own
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2023-08-01 11:38:45 +01:00 |
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n loewen
|
828a9f5909
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Add @label handling to assembler
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2023-08-01 11:38:24 +01:00 |
|
n loewen
|
afecab8ce3
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Allow for blank lines and comment-only lines in assembly code
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2023-07-31 15:21:01 +01:00 |
|
n loewen
|
b90300a257
|
Add assemble-and-run script
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2023-07-31 14:46:25 +01:00 |
|
n loewen
|
3dc521714f
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Update file names
|
2023-07-31 14:41:23 +01:00 |
|
n loewen
|
7bb802b18c
|
Update todo list
|
2023-07-26 15:06:59 +01:00 |
|
n loewen
|
c7cfd13931
|
Update todo list
|
2023-07-26 15:06:49 +01:00 |
|
n loewen
|
5717b93eda
|
Create entry point for assembling and then running assembly code from a text file
|
2023-07-26 15:06:11 +01:00 |
|
n loewen
|
d52ea2e467
|
Rename
|
2023-07-26 15:04:19 +01:00 |
|
n loewen
|
75b6916666
|
Create a version of the CPU as a JS module -- otherwise the same as the previous version
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2023-07-26 15:03:23 +01:00 |
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n loewen
|
ba35470c3c
|
Make assembler a javascript module, remove code for working over stdio
|
2023-07-26 15:02:21 +01:00 |
|
n loewen
|
9797b2e25f
|
Rename menonic-to-machine-operation lookup table
|
2023-07-26 14:39:35 +01:00 |
|
n loewen
|
959697cd70
|
Tidy up whitespace
|
2023-07-26 14:38:29 +01:00 |
|
n loewen
|
74c7f3a657
|
Create a simple assembler
|
2023-07-26 14:38:02 +01:00 |
|
n loewen
|
62fd07fcaa
|
Fix bug where hex2num and num2hex don't actually return anything
|
2023-07-26 13:52:46 +01:00 |
|
n loewen
|
10ada984e6
|
Implement and test remaining instructions
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2023-07-26 12:09:11 +01:00 |
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n loewen
|
a17b7f4ba9
|
Start a new simulator sketch with a better architecture + using a Uint8Array for memory
|
2023-07-26 11:41:11 +01:00 |
|
n loewen
|
3eaced0e5d
|
Move to "sketches" directory
|
2023-07-26 09:46:03 +01:00 |
|
n loewen
|
70c00b4869
|
Remove "implement CCF and CHP" todo-item
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2023-07-25 19:06:20 +01:00 |
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n loewen
|
d33bc66d18
|
Remove an instruction that was struck-out, because strikethrough doesn't work in the indented code block
|
2023-07-25 19:04:29 +01:00 |
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n loewen
|
a2b4d6e4ad
|
After running, print a snapshot of memory as it was before running, as well as a snapshot of the final memory state. Also: refactor `log_memory()` into a more generic `log_table_with_title()`
|
2023-07-25 19:03:47 +01:00 |
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n loewen
|
ae7be9e357
|
Print header with timestamp when running
|
2023-07-25 19:01:27 +01:00 |
|
n loewen
|
d1a84748fc
|
Implement CCF (Clear Carry Flag) and CHP (Carry Hop)
|
2023-07-25 19:00:34 +01:00 |
|
n loewen
|
890bb16145
|
Fix bug in addition
|
2023-07-25 18:57:35 +01:00 |
|
n loewen
|
27a192bcdf
|
Tidy up formatting
|
2023-07-25 17:41:26 +01:00 |
|
n loewen
|
9fe17b801f
|
Add TODOs
|
2023-07-25 15:59:57 +01:00 |
|
n loewen
|
63637dac2f
|
Implement HOP and JMP
|
2023-07-25 15:57:24 +01:00 |
|
n loewen
|
39b7e9e2ac
|
Add intro message/warning
|
2023-07-25 15:33:24 +01:00 |
|
n loewen
|
9aed9e5e8b
|
Tidy up formatting + re-order code for clarity
|
2023-07-25 15:29:36 +01:00 |
|
n loewen
|
d674394afb
|
Replace 'Carry Toggle' instruction with 'Clear Carry Flag'
|
2023-07-25 15:26:58 +01:00 |
|
n loewen
|
dfd9edf879
|
Partial implementation of ADD and SUB (SUB is missing carry flag handling
|
2023-07-25 15:26:32 +01:00 |
|
n loewen
|
51581e6879
|
Initial proof-of-concept -- a working but incomplete simulator
|
2023-07-25 15:05:11 +01:00 |