406
edits
Changes
Jump to navigation
Jump to search
no edit summary
This page is used to document details of the hardware for the [[Atari 7800]].
==Cartridge Slot==
{| class="mw-collapsible mw-collapsed wikitable" style="width: 500px;"
! colspan=4 width="250"|Cartridge Slot Pinout
|-
! Pin # !! Function
|-
| 1 || Read/Write (Write=LOW)
|-
| 2 || HALT
|-
| 3 || D3
|-
| 4 || D4
|-
| 5 || D5
|-
| 6 || D6
|-
| 7 || D7
|-
| 8 || A12
|-
| 9 || A10
|-
| 10 || A11
|-
| 11 || A9
|-
| 12 || A8
|-
| 13 || +5 VDC
|-
| 14 || Ground
|-
| 15 || A13
|-
| 16 || A14
|-
| 17 || A15
|-
| 18 || External audio from cart
|-
| 19 || A7
|-
| 20 || A6
|-
| 21 || A5
|-
| 22 || A4
|-
| 23 || A3
|-
| 24 || A2
|-
| 25 || A1
|-
| 26 || A0
|-
| 27 || D0
|-
| 28 || D1
|-
| 29 || D2
|-
| 30 || Ground
|-
| 31 || IRQ
|-
| 32 || Phase 2 clock
|}
Sources:
* [http://atarihq.com/danb/7800cart/a7800cart.shtml http://atarihq.com/danb/7800cart/a7800cart.shtml]
* [http://www.atarimax.com/jindroush.atari.org/7800cart.html http://www.atarimax.com/jindroush.atari.org/7800cart.html]
==Processor==
The Atari 7800's processor is a variation of the 6502 named ''Sally''.
==Motherboard==
Atari-7800-CAO25233-002-revA-board-bottom.jpg|CAO25233-002 REV A (bottom)
</gallery>
[[Category:Hardware]]
