Z80 assembly for custom computer 16c550 UART 16k ROM 48K RAM
$0000 - $3FFF - ROM on startup $4000 - $FFFF - RAM, no bank switching
UART base address = $0x
IDE base Address - $4x
z80 PIO base address = $5x
Disable ROM address = $70 send $01 to disable ROM. Reboot to re-enable. I do not have a software reset yet