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(notes) todos/dev note - Update todo list, copying items from today's dev note

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n loewen 2023-08-21 10:34:31 +01:00
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notes/2023-08-21--dev-notes.md
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## Goals for today
- graphic design
- [ ] design: 80 col card template
- [ ] graphics: 80 col card template
- see below
- printing
- [ ] print: paper tape template
- [ ] print: colour coding forms
- [ ] print: 80 col card template
- see code/design commentary below
- [ ] see code/design commentary below...
- (consider python (microbit) version of simulator)
- maybe ask for e's input
@ -26,26 +26,26 @@
- (+ tape input??)
- a4 template with full size 80 col card
- snake
- [ ] add simulator todo: pass asm line thru to cpu to print when debugging
- [/] add simulator todo: pass asm line thru to cpu to print when debugging
- asm: create a second array that stores every line with code (nor blank or comment only lines) + its line number
- cpu: accept an optional debugging array, print line # and statement
- readme:
- [ ] readme: rename (or split up?) mem map / peripherals section
- [ ] ? readme: put 2 keypad charts side by side (they would fit on my phone)
- [ ] see paper notes on mem map
- [/] see paper notes on mem map
## 2023-08-19
- [ ] reconsider ISA order in light of supercat comment here
[/] reconsider ISA order in light of supercat comment here
- [Why didn't the 6503 have increment/decrement opcodes for A?](https://retrocomputing.stackexchange.com/questions/13023/why-didnt-the-6502-have-increment-decrement-opcodes-for-a)
- [ ] look at use of `*` or `.` in assembly
- [/] look at use of `*` or `.` in assembly
- [What does "jmp *" mean in 6502 assembly?](https://retrocomputing.stackexchange.com/questions/7998/what-does-jmp-mean-in-6502-assembly)
## 2023-07-17 - cardiograph - worksheet for hand-assembling code… + other docs
- machine code quick ref (ops + short explanations + mnems)
- assembly quick ref (as above, plus assembler-specific syntax like constants)
- worksheet for hand-assembling
- [ ] docs/graphics: machine code quick ref (ops + short explanations + mnems)
- [ ] docs/graphics: assembly quick ref (as above, plus assembler-specific syntax like constants)
- [ ] docs/graphics: worksheet for hand-assembling

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notes/todo.md
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- [ ] Add a flag for bank-switching to the ~zero-page
- [ ] Move the initial IP value, to eliminate the gap between it and the keypad pointer
- see paper notes
- [ ] Consider adding a VIP-style keypad-based machine code monitor
- [ ] reconsider ISA order in light of supercat comment here
- [Why didn't the 6503 have increment/decrement opcodes for A?](https://retrocomputing.stackexchange.com/questions/13023/why-didnt-the-6502-have-increment-decrement-opcodes-for-a)
### Assembler
- [ ] look at use of `*` or `.` in assembly
- [What does "jmp *" mean in 6502 assembly?](https://retrocomputing.stackexchange.com/questions/7998/what-does-jmp-mean-in-6502-assembly)
### For consideration
@ -40,8 +48,11 @@
### Assembler
- [ ] Validate labels
- [ ] Return pure machine code when printing to stdout (and not in debug mode)
- [ ] Pass asm line thru to cpu to print when debugging
- asm: create a second array that stores every line with code (nor blank or comment only lines) + its line number
- cpu: accept an optional debugging array, print line # and statement
- [ ] Validate labels
### CPU