vault backup: 2022-08-03 19:20:51

This commit is contained in:
Jet Hughes 2022-08-03 19:20:51 +12:00
parent ee2a070181
commit bb53af5d1f
4 changed files with 24 additions and 3 deletions

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@ -4,8 +4,8 @@ aliases:
tags:
- cosc204
- lecture
sr-due: 2022-08-03
sr-interval: 8
sr-due: 2022-08-23
sr-interval: 20
sr-ease: 250
---

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@ -16,7 +16,7 @@ sr-ease: 250
- extended indirect `LDA [$31FE]` or `LDA [HERE]` points to a memory location which specifies another memory location
- direct `LDA $ff` or `lda <HERE`
- register `trf X,Y`
- indexed `LDA $3111E, X` use memory location that is the sum of the operands
- indexed `LDA $311E, X` use memory location that is the sum of the operands
- `LDA ,X`
- `LDA $23,X`
- etc

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@ -0,0 +1,20 @@
---
title: "6809-addressing-modes"
aliases:
tags:
- cosc204
---
name | example | description
---------------------------------------------------
implied |`inca `
0immediate | `lda #$00`
extended | `lda $31FE`
extended indirect | `lda [$31FE]`
direct | `lda $FF$` or `lda <HERE`
register | `trf X,Y`
indexed | `lda #311E, X` `sta 0,X`
indexed relative | `lda [$10, X]`
relative | `beq HERE`
pr | `lda TABLE,PCR`

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@ -28,6 +28,7 @@ tags:
- [CPU](notes/CPU.md)
- [ALU](notes/ALU.md)
- [computer-architecture](notes/computer-architecture.md)
- [6809-addressing-modes](notes/6809-addressing-modes.md)
- Hardware
- Assembly