# Dev notes — 2023-08-16

## Goals for today

- [x] Finish implementing *ADDR
- [x] Rename =constants to #constants
- [ ] ? Bank switching
- [ ] Notes re: ROM and/or tape loader
- [ ] CPU updates
  - [x] Rename to CPU
  - [x] Implement single-stepping
  - [ ] Implement keypad input
    - [ ] Look at KIM-1 and VIP buttons for memory editing
- [x] Rename to 'Cardiograph Mark I' (a 'Harvard Mark I' reference, plus a dumb drawing joke)

- Programming ideas:
  - Draw dot at (x, y)
  - Move dot around display using keypad
  - simple LOGO

## Misc. earlier notes

- [ ] make sth that can run on phone!
- [ ] ? rename repository