AY INTERNAL interface for ZX and compatible
Main fetaures:
- AY / Yamaha sound generator running at exact speed of 1,75 Mhz (new programmable frequency generator from EPSON (SG8002CA+ PHB)
- Solderless - just plug and play ( only if Yoru cpu is socketed)
- Audio stereo out
- ZX sound from ULA mixing on both channels
Upgrade consists of two pcbs, connected with flat cable approx 20cm long
- CPU ADAPTER (click at image to see it full screen)
- AY_ADAPTER (click at image to see it full screen)
To do:
- Remove cpu from socket
- Insert cpu adapter ( ARROW INDICATES pin no 1)
- Insert CPU back to cpu adapter
- Connect CPU adaper with 38910 ADAPTER ( ARROW INDICATES pin no 1)
- Insert AY CHIP into 38910 ADAPTER
- Fit 38910 ADAPTER inside ZX, connect AUDIO OUT ( 4 pins- LEFT, GND, GND, RIGHT) and ULA sound
READY :-)
AY CHIP NOT INCLUDED. You may get it HERE
Product gallery
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