Description
Commodore VIC20 – 8k/16k/32k ROM Cartridge PCB
The VIC20 8K / 16K / 32K cartridge PCB can be used to create various VIC20 ROM Cartridges
NOTE: 74LS08 chip required for 16k or 32k ROMS
Fits classic Commodore & TFW8b.com VIC20 Cartridge Cases
If you need EPROMS you’ll find them here
Standard VIC20 Memory Blocks
|
Address range
|
Block
|
Use
|
|
0000-1FFF
|
0
|
5K RAM
|
|
2000-3FFF
|
1
|
8K ROM Block 1
|
|
4000-5FFF
|
2
|
8K ROM Block 2
|
|
6000-7FFF
|
3
|
8K ROM Block 3
|
|
8000-9FFF
|
4
|
Video and I/O
|
|
A000-BFFF
|
5
|
8K ROM Block 5
|
|
C000-DFFF
|
6
|
8K BASIC ROM
|
|
E000-FFFF
|
7
|
8K KERNAL ROM
|
4k ROM Images
|
Address range
|
27C512
|
27C256
|
27C128
|
27C64
|
|
0000-0FFF
|
–
|
–
|
–
|
4K Block 2/3/5
|
|
1000-1FFF
|
–
|
–
|
–
|
–
|
|
2000-2FFF
|
–
|
–
|
4K Block 2/3/5
|
|
|
3000-3FFF
|
–
|
–
|
–
|
|
|
4000-4FFF
|
–
|
–
|
||
|
5000-5FFF
|
–
|
–
|
||
|
6000-6FFF
|
–
|
4K Block 2/3/5
|
||
|
7000-7FFF
|
–
|
–
|
||
|
8000-8FFF
|
–
|
|||
|
9000-9FFF
|
–
|
|||
|
A000-AFFF
|
–
|
|||
|
B000-BFFF
|
–
|
|||
|
C000-CFFF
|
–
|
|||
|
D000-DFFF
|
–
|
|||
|
E000-EFFF
|
4K Block 2/3/5
|
|||
|
F000-FFFF
|
–
|
8k ROM Images
|
Address range
|
27C512
|
27C256
|
27C128
|
27C64
|
|
0000-0FFF
|
–
|
–
|
–
|
8K Block 2/3/5
|
|
1000-1FFF
|
–
|
–
|
–
|
|
|
2000-2FFF
|
–
|
–
|
8K Block 2/3/5
|
|
|
3000-3FFF
|
–
|
–
|
||
|
4000-4FFF
|
–
|
–
|
||
|
5000-5FFF
|
–
|
–
|
||
|
6000-6FFF
|
–
|
8K Block 2/3/5
|
||
|
7000-7FFF
|
–
|
|||
|
8000-8FFF
|
–
|
|||
|
9000-9FFF
|
–
|
|||
|
A000-AFFF
|
–
|
|||
|
B000-BFFF
|
–
|
|||
|
C000-CFFF
|
–
|
|||
|
D000-DFFF
|
–
|
|||
|
E000-EFFF
|
8K Block 2/3/5
|
|||
|
F000-FFFF
|
16k ROM Images
|
Address range
|
27C512
|
27C256
|
27C128
|
|
0000-0FFF
|
–
|
–
|
8K Block 1/2/3
|
|
1000-1FFF
|
–
|
–
|
|
|
2000-2FFF
|
–
|
–
|
8K Block 2/3/5
|
|
3000-3FFF
|
–
|
–
|
|
|
4000-4FFF
|
–
|
8K Block 1/2/3
|
|
|
5000-5FFF
|
–
|
||
|
6000-6FFF
|
–
|
8K Block 2/3/5
|
|
|
7000-7FFF
|
–
|
||
|
8000-8FFF
|
–
|
||
|
9000-9FFF
|
–
|
||
|
A000-AFFF
|
–
|
||
|
B000-BFFF
|
–
|
||
|
C000-CFFF
|
8K Block 1/2/3
|
||
|
D000-DFFF
|
|||
|
E000-EFFF
|
8K Block 2/3/5
|
||
|
F000-FFFF
|
32k ROM Image
|
Address range
|
27C512
|
27C256
|
|
0000-0FFF
|
–
|
8K Block 1
|
|
1000-1FFF
|
–
|
|
|
2000-2FFF
|
–
|
8K Block 2
|
|
3000-3FFF
|
–
|
|
|
4000-4FFF
|
–
|
8K Block 3
|
|
5000-5FFF
|
–
|
|
|
6000-6FFF
|
–
|
8K Block 5
|
|
7000-7FFF
|
–
|
|
|
8000-8FFF
|
8K Block 1
|
|
|
9000-9FFF
|
||
|
A000-AFFF
|
8K Block 2
|
|
|
B000-BFFF
|
||
|
C000-CFFF
|
8K Block 3
|
|
|
D000-DFFF
|
||
|
E000-EFFF
|
8K Block 5
|
|
|
F000-FFFF
|
For more info on the 8/16/32k VIC20 ROM PCB Check out the Tynemouth Blog
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