8-Bit Breadboard CPU (LCD Display, Port Controller)

This video is about the LCD display of my 8-Bit Breadboard CPU. I integrated an LCD2004 type but most of the description also applies to the smaller LCD1602 type. Part of this video is the explaination of my port selector which is not only used to connect the LCD display but also other peripherals.

My overview video:    • 8-Bit Breadboard CPU (Overview)  

GitHub (schematics): https://github.com/DerULF1/8bit-computer

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0:00 Intro
0:41 LCD 2004 Overview
1:58 LCD 2004 Hardware Interface
2:48 LCD General Bus Protocol
7:48 8-Bit Interface vs. 4-Bit Interface
9:19 My LCD Controller
11:14 LCD Controller Schematic Walk-Through
14:21 LCD Controller Breadboard
15:12 Port CPU Interface
16:59 Port Selector Schematic Walk-Through
18:06 LCD Software Send Byte
19:13 Send Byte Code Walk-Through
20:56 LCD Software Receive Byte
22:09 Receive Byte Code Walk-Through
23:11 LCD Command Format
25:03 LCD Initialization Sequence
27:24 LCD Software Character Output
28:39 Character Output Code Walk-Through
29:49 Outro
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