Saturday, 5 January 2013

Dual Boot R-Type 1 & 2 Arcade PCB - Day 6

 Dual Boot R-Type 1 & 2 Arcade PCB - Day 6

Devised a solution for the game select switch mechanism:

  • Cut a square of ABS plastic from some scrap from an IKEA cupboard corner (packing material)..

  • Melted a hole through the middle with the soldering iron & fitted a single pole dual throw toggle switch.

The whole assembly was then located in order that the switch sat within a retangular cut that was already present on the board:

Quick-dry Araldite was used to bond the plastic down to the PCB.

Two wires were connected to the left & right most pins of the switch & were soldered directly to the solder-pads of a nearby de-coupling capacitor (providing the required 0 & 5v signals).

The bydo-orange master A/B game-select line is tied to the switches middle pin.

The main idea of mounting the switch upside down between the boards is to avoid switching during game play.. The power must be disconnected while switching between games.

Perhaps a future iteration could perform a system-wide reset when the switch is toggled?