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Catalogue of Arcade Emulation Software - the Absolute Reference

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X-Arcade

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copsnrob.c

0.31 [Zsolt Vasvari]


VIDEO HARDWARE NOTES:

- Draw the beer truck: Positioning was based on a screen shot. We scan the truck's window RAM for a location whose bit is set and which corresponds either to the truck's front end or the truck's back end (based on the value of the truck image line sync register). We then draw a truck image in the proper place and continue scanning. This is not a perfect emulation of the game hardware, but it should suffice for the way the game software uses the hardware. It does take care of the problem of displaying multiple beer trucks and of scrolling truck images smoothly off the top of the screen.

- Draw the bullets: They are flickered on/off every frame by the software, so don't play it with frameskip 1 or 3, as they could become invisible.


WIP:

- 0.31: Added copsnrob.c driver.