n loewen
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3ac1276bfe
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Docs: Update today's dev note
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2023-08-16 12:48:57 +01:00 |
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n loewen
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8027f4d961
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Docs: update today's dev note
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2023-08-16 09:49:10 +01:00 |
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n loewen
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c590ca4882
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Refactor: Rename CPU to cpu.js (from 'simulator.js')
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2023-08-16 09:48:56 +01:00 |
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n loewen
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d02c8241af
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Docs: Add dev notes for 2023-08-16
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2023-08-16 09:39:48 +01:00 |
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n loewen
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5078efa1fe
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Linting: Remove FIXMEs that I'm unlikely to do any time soon
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2023-08-16 09:39:03 +01:00 |
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n loewen
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4dda5881ef
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Refactor (assembler): Define label prefix in a constant, for easy re-configuration
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2023-08-16 09:38:18 +01:00 |
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n loewen
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3fd862a55d
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! Refactor (assembler): Chance constant prefix from '=' to '#'
'=' could be confusing when referencing a constant, since it looks like assignment
'#' is hopefully clearer (by analog to #hashtags)
Breaking change!
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2023-08-16 09:35:37 +01:00 |
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n loewen
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9fefa0916a
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Feature (assembler): Allow assigning `*ADDR` to a constant
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2023-08-16 09:29:27 +01:00 |
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n loewen
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6a3c70be37
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Docs: Mark unfinished todos with 'incomplete' checkboxes (in Obsidian Tasks style) so that they don't show up when searching for todos
(See https://publish.obsidian.md/tasks/Getting+Started/Statuses)
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2023-08-16 09:09:44 +01:00 |
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n loewen
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8f9f50e28c
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Update sketch to suggest use of `*ADDR`
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2023-08-15 21:31:35 +01:00 |
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n loewen
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4e01a0943c
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Feature: Add `*ADDR` assembly operation (`*ADDR`, used as an operand, is replaced with the memory address where the current line will be stored after assembly)
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2023-08-15 21:29:28 +01:00 |
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n loewen
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190592813d
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Merge branch 'main' into 5x5-display
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2023-08-15 20:58:38 +01:00 |
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n loewen
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5c41369ecd
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Add sketches/notes re: subroutines and a call stack
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2023-08-15 20:58:05 +01:00 |
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n loewen
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2cceaa71f2
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Refactor: Rewrite fill-display:
- make more use of constants
- improve comments
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2023-08-15 20:53:51 +01:00 |
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n loewen
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899c24be7f
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Bugfix (assembler): Make camelCase =constant names work in indirect expressions
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2023-08-15 20:51:15 +01:00 |
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n loewen
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88e36eccce
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Docs: Update to-dos in dev note 2023-08-15
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2023-08-15 20:17:02 +01:00 |
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n loewen
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59861ecdeb
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Docs: Update to-do list
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2023-08-15 20:15:35 +01:00 |
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n loewen
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2a7d855b35
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Docs: Add an abandoned interval-timer-based refactor of the main CPU loop to dev notes
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2023-08-15 20:15:35 +01:00 |
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n loewen
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934f4c0f3f
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Docs: Update to-do list
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2023-08-15 17:02:02 +01:00 |
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n loewen
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1baa0ded32
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Docs: Add an abandoned interval-timer-based refactor of the main CPU loop to dev notes
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2023-08-15 17:01:51 +01:00 |
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n loewen
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c415056194
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! Feature: Change to a 5x5 display [breaking change]
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2023-08-15 16:59:12 +01:00 |
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n loewen
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af12704c36
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Bugfix (simulator): Use the correct flag abbreviations in debug logs
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2023-08-15 16:56:22 +01:00 |
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n loewen
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4a2f3724d5
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Bugfix (assembler): Add a quick hack to make camelCase =constant names less likely to fail
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2023-08-15 16:55:08 +01:00 |
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n loewen
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9414d19fad
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Bugfix (assembler): Split opcodes from operands using a regular expression, so that tabs don't break it
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2023-08-15 16:52:57 +01:00 |
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n loewen
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79ad1678f4
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Feature (simulator): Add 'simulation halting - reached cycle limit' notice
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2023-08-15 16:05:31 +01:00 |
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n loewen
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245da348ea
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Docs: Add dev notes on memory bank-switching
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2023-08-15 15:38:09 +01:00 |
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n loewen
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6754725c9b
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Docs: Add dev notes for 2023-08-15
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2023-08-15 15:28:42 +01:00 |
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n loewen
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075c4c99ad
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Docs: Update to-do list
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2023-08-15 15:24:43 +01:00 |
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n loewen
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3af5d66626
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Feature (simulator): Implement Negative, Zero, and Overflow flags
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2023-08-15 15:22:21 +01:00 |
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n loewen
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b1dc2a7c7e
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Feature: WIP: Replace CHP and CFC instructions with FHP and FTG (carry flag is implemented, other flags are not)
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2023-08-15 12:04:48 +01:00 |
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n loewen
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2d38e28957
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Bugfix (assembler): Put the pointer to display memory in the right place
Refactor: Put the value of the pointer to display memory in machine.config.js
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2023-08-15 10:55:01 +01:00 |
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n loewen
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3e753f6965
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Formatting: Rename 'argument' to 'operand' (except when it is shortened to 'arg', which is clearer)
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2023-08-15 10:49:44 +01:00 |
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n loewen
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50741ba038
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Formatting: Update dev notes so that Todo Tree VS Code plugin can find todo entries
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2023-08-15 10:34:04 +01:00 |
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n loewen
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549e0dc73c
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Update todo list to add turtle graphics interpreter idea
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2023-08-10 11:46:12 +01:00 |
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n loewen
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e1bc103dd1
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Update todo list to point to dev notes re: keypad
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2023-08-10 11:45:27 +01:00 |
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n loewen
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24a3bc60da
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Name it "Cardiograph"!
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2023-08-10 11:43:11 +01:00 |
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n loewen
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f915b57a2a
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Move brainstorming about possible features from readme to dev note
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2023-08-10 11:42:36 +01:00 |
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n loewen
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be00db022c
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New dev notes
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2023-08-10 11:34:56 +01:00 |
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n loewen
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7f4d22a927
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Add TODO re: Program Counter initialization
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2023-08-10 11:34:37 +01:00 |
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n loewen
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bf62ada870
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Bugfix: force newlines before commands in readme
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2023-08-10 10:08:27 +01:00 |
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n loewen
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d92a501085
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Remove npm scripts: just run it using ./
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2023-08-10 10:07:10 +01:00 |
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n loewen
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a78c1b9d14
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Feature: assembler output in binary
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2023-08-10 10:04:18 +01:00 |
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n loewen
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1f7e87e705
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Add bugfix to TODO list
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2023-08-10 10:03:48 +01:00 |
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n loewen
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e004af18f4
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Add entries to bibliography
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2023-08-10 10:02:52 +01:00 |
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n loewen
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66a0530942
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Add chip-8 research to the todo list
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2023-08-09 14:05:10 +01:00 |
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n loewen
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82f622e338
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Add micro:bit as a reference
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2023-08-09 14:03:28 +01:00 |
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n loewen
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51ec0219af
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Add new dev notes
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2023-08-09 14:03:20 +01:00 |
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n loewen
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bc5cf5338b
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Add todo re: run-script interface
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2023-08-07 11:05:36 +01:00 |
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n loewen
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cb492fa9af
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Add note on dependencies + how to run without using npm scripts (using shebang)
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2023-08-07 11:03:19 +01:00 |
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n loewen
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f69e4533a1
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Add shebangs to run-scripts
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2023-08-07 11:00:04 +01:00 |