iNapGPU 🖥
Text-mode graphics card, using only TTL gates.
Specs
VGA resolution 800x600@60Hz (accessible 400x300), mono
50x18 characters
up to 255 chars in charset, up to 4 charsets using 1Mbit EPROM
created using 2 counters, some TTL gates and EPROM with SRAM
parallel interface; works with arduino or Z80
terrible idea anyway, use fpga instead
total IC count: 21
... continue reading