# 2023-08-18 — Dev notes

From "2023-08-18 cardiograph loose thoughts" apple note

- use binary encoded punch cards for cardiog progs in machine code
- try making a microbit based emulator
    - (microbit + hex keypad)
        - (machine code monitor like VIP…)
    - (+ tape input??)
- a4 template with full size 80 col card
- snake
- [/] 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:
    - [x] readme: rename (or split up?) mem map / peripherals section
    - [x] ? readme: put 2 keypad charts side by side (they would fit on my phone)
- [/] see paper notes on mem map