Delta-S ZX-Spectrum compatible computer pinouts
Power, 5-pin round DIN
1 +5
2 gnd
3 +5
4 NC
5 NC
Tape, 5 pin round din
1 out
2 gnd
3 in
4, 5 NC
Video, 5 pin round din
1 Video
2 GND
3 G
4 R
5 B
Joystic, 7 pin round din
1 query
2 left
3 right
4 down
5 up
6 fire
7 NC
A8 A0 Address Bus
A9 A1
A10 A2
A11 A3
A23 A4
A22 A5
A21 A6
A20 A7
A25 A8
A26 A9
B26 A10
A27 A11
A2 A12
B2 A13
A1 A14
B1 A15
B5 D0 Data bus
B6 D1
B7 D2
B10 D3
B11 D4
B9 D5
B8 D6
B3 D7
B31 BD0 Printer data
A19 BD1
B19 BD2
A29 BD3
B30 BD4
A30 BD5
A31 BD6
A32 BD7
A17 Printer strobe
A32 Printer ready
B12 Interrupt request
B13 Unmasked interrupt
B14 Halt
B14 RAM Request?
B16 IO Request
B17 Read
B18 Write
B20 Wait
B23 M1
B24 Regeneration?
B27 Reset
A18 Bus Request
A25 Bus Request Ack
A5,A6 Gnd
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