| 6502 35 |
| atari 27 |
| msdos 20 |
| z80 20 |
| apple 19 |
| mac 18 |
| c64 16 |
| ibm 15 |
| emulation 14 |
| amiga 14 |
| gaming 13 |
| appleii 12 |
| unix 12 |
| retrocomputing 12 |
| commodore 12 |
| arcade 11 |
| basic 10 |
| pc 9 |
| graphics 9 |
| macos 8 |
| history 8 |
| programming 7 |
| floppy 7 |
| windows 7 |
| nintendo 7 |
| fonts 6 |
| spectrum 6 |
| game 6 |
| vintage 6 |
| 386 6 |
| linux 6 |
| sinclair 6 |
| cpu 5 |
| kim1 5 |
| hardware 5 |
| bbc 5 |
| intel 5 |
| cpm 5 |
| dec 5 |
| reference 5 |
| n64 5 |
| event 5 |
| video 5 |
| pdp11 5 |
| retro 4 |
| assembler 4 |
| zzt 4 |
| gamedev 4 |
| sega 4 |
| c128 4 |