Videobeschreibung:
Today I want to show you ...
- What is the PLA (Programmable Logic Array)?
- What is the PLA for?
- What is the PLA's job?
- How does the PLA work?
- What is inside the PLA?
- Are there replacements for the PLA?
- Measuring the signals at the PLA
- Measuring CAS, CASRAM, AEC, ROMH, ROML, VA12, VA13, VA14, KERNAL, BASIC, CHAROM, IO, BA, GR/W, R/W, EXROM, HRAM
- PLA 906114-01, MOS 906114-01, Signetic 82S100
- PLA U17
PLA alternatives:
- EPROM+adapter (best suited EPROM: STMicroelectronics M27C512-90B6)
- realPLA (by ‚skoe‘ Thomas Giesel)
[ Ссылка ]
- SuperPLA V4 (by Jens Schönfeld, INDIVIDUAL Computers)
[ Ссылка ]
[ Ссылка ]
- PLA20V8 consists of two GAL20V8B
- PLAnkton
[ Ссылка ]
And many more …
Have a look at c64os.com/buyersguide/
Sources:
C64 memory map:
[ Ссылка ]_(C64-Chip)
[ Ссылка ]
C64 PLA dissected:
[ Ссылка ]
by Thomas ‚skoe‘ Giesel
VERSA Cart and C64 ROMs (C64 OS Homepage by Gregory Nacu):
[ Ссылка ]
Standard Memory Configuration C64 PLA:
William Levak and Ann Arbor, 1986, Commodore 64 Memory Configurations,
The Transactor, Volume 6, Issue 05, p. 51-55.
Picture „Standard Memory Config“:
[ Ссылка ]
All mem configs from page p051.jpg to p057.jpg on zimmers.net:
[ Ссылка ]
Picture „EPROM as PLA replacement“:
[ Ссылка ]
PLA fault screens:
[ Ссылка ]
Sven Petersens Block Diagram
[ Ссылка ]
Sven Petersens Osciloscope Screenshots
[ Ссылка ]
Helpfull links:
[ Ссылка ]
Trouble Shooting and Repair Guides:
[ Ссылка ]
[ Ссылка ]
My Twitter Account:
[ Ссылка ]
Music:
- Shades, 1986, 64er Markt&Technik by Chris_Huelsbeck
