some weeks ago i got another children's system, called
SPIEL-MASTER.
the german speech-cartridge and one german game-cartridge (Alphabet Salat) was also included:
the english equivalent is called "Learning Window system (VTECH)". The system itself is from 1986.
you can see it running here:
https://www.youtube.com/watch?v=kN6mTd1Xv9s
as the system, game-cartridge and speech-cartridge only had "SPR128A-???" chips inside, it was impossible for me to dump here anything. so i sent the components to
Kevtris, who had the equipment to dump that stuff. what he did!
here are some notes from him:
The -081 on the 'speech' cart board had that mystery sp0256 next to it with its markings ground off.
The chip with the marking ground off is the most common SP0256 chip, the SP0256-AL2 chip (it was common enough to be sold by electronic stores like Radio Shack in the USA) and used on the currah speech cart for c64 and many many other places.
In case you are pedantic, the rom for this exists in MAME and MESS as
ROM_LOAD( "sp0256-al2.bin", 0x1000, 0x0800, CRC(b504ac15) SHA1(e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc) )
On this type of v-tech/yeno speech cart, it had its internal rom disabled by tying one of the pins high on the board.
Readme for the SPR128A chips:
Chip Label - filename Address UndersideMark Type
SPR128A-080 - sp128_80.bin 0000-3FFF 27-0643 L.window self-mapped
SPR128A-081 - sp128_81.bin 0000-3FFF 27-0644 L.window self-mapped
SPR128A-093 - sp128_93.bin 0000-3FFF 27-0754-00 L.window self-mapped
Chip Label - Product
SPR128A-080 - Learning Window system (German)
SPR128A-081 - Learning Window speech cart (German)
SPR128A-093 - Learning Window cart Alphabet Salat (German)
Hopefully someone will take on the task and add this MESS!
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