G-1012 — Sindbad Mystery
The board inside Sindbad Mystery, photographed front and back — as sold by Sega and GrandStand.
▶ Play Sindbad Mystery in the browser
This Cartridge PCB uses one ROM from TOSHIBA named TMM23256P. This chip is a Mask Read Only Memory with a low bit cost most suitable for use in character generator.
Its built in memory matrix has 32,768 x 8bit word, which means 32 Kbytes of data available. It has two separate row and column decoders which are interfaced to the memory cell array.
There are two separate buffers for input and output data driven by a controller with a clock signal.
This chip has been interfaced to the Hex Inverter TC40H00P
Sega
Here there are the graphic tiles relative to different game stages/screens stored on ROM:
GrandStand
Here there are the graphic tiles relative to different game stages/screens stored on ROM:
Datasheets
The chips on these boards, as their makers described them.