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Catalogue of Arcade Emulation Software - the Absolute Reference

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X-Arcade

X-Arcade

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groundfx.c

0.68 [Bryan McPhail, David Graves]


NOTES:

- Ground Effects combines the sprite system used in Taito Z games with the TC0480SCP tilemap chip plus some features from the Taito F3 system. It has an extra tilemap chip which is a dead ringer for the TC0100SCN (check the inits), like Under Fire.

- Ground Effects is effectively a 30Hz game - though the vblank interrupts still come in at 60Hz, the game uses a hardware frame counter to limit itself to 30Hz (it only updates things like the video registers every other vblank). There isn't enough cpu power in a 16MHz 68020 to run this game at 60Hz.

- Ground Effects has a network mode - probably uses IRQ 6 and the unknown ports at 0xc00000.