Commodore VIC20 8k/16k/32k ROM PCB

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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