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Old 14 October 2021, 19:53   #1
masteries
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Join Date: Oct 2020
Location: Madrid
Age: 40
Posts: 195
4 buttons gamepad for Amiga - 3 button for Atari ST - Compatible with ZX and C64

Via heavy modifications, a real 3 button gamepad is supported via the standard joystick port (port 0 - mouse port) in any ST and STE machine.
The third button is obtained via a combination of UP+DOWN at same time,

As an example, a video, Metal Slug for Atari STE being played with a 3 button gamepad:

[ Show youtube player ]

FYI: This gamepad support 4 different buttons for Amiga computers, as well it is compatible with ZX Spectrum and Commodore 64 as well.
Also, this can be used with all classic games too. As a multi-purpose retro platform gamepad.

The gamepad is compatible with Atari ST/E, Amiga, ZX Spectrum and Commodore 64 at once

Atari ST Button layout is:
PAD - Directions
A - Fire 0
B - Fire 1
C - Third button (UP+DOWN ; classic games detect it as UP or DOWN)
X - remapped as UP (In order to have a jump button for classic games)
Y - Fire 0
Z - remapped as DOWN

Amiga Button layout is:
PAD - Directions
A - Fire 0
B - Fire 1
C - Third button (UP+DOWN ; classic games detect it as UP or DOWN)
X - remapped as UP (In order to have a jump button for classic games)
Y - Fire 0
Z - remapped as DOWN
Start - Fire 2

ZX Spectrum Button layout:
PAD - Directions
A - Fire 0
C - Third button (UP+DOWN ; classic games detect it as UP or DOWN)
X - remapped as UP (In order to have a jump button for classic games)
Y - Fire 0
Z - remapped as DOWN

C64 Button layout:
PAD - Directions
A - Fire 0
C - Third button (UP+DOWN ; classic games detect it as UP or DOWN)
X - remapped as UP (In order to have a jump button for classic games)
Y - Fire 0
Z - remapped as DOWN
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Acquisition cost is 6€ per unit; modification takes 35 minutes, and testing/fixing takes another 5 - 10 minutes
labour cost is 20€ (you are paying 20€ for aprox. 40 - 50 minutes of hand work, the real hard to implement is the combined button; this requires the creation of two independent paths).


A total of 26€ plus shipment,





Tracked shipment cost 7€ for Spain, 11€ for the rest of Europe, 12€ for America - Australia - Asia - Japan,

Last edited by masteries; 26 January 2022 at 14:16.
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