SYSTEM IO

From NeoGeo Development Wiki
Revision as of 05:58, 21 October 2012 by ElBarto (talk | contribs)
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

SYSTEM_IO ($C0044A)

Should be called at the end of the VBlank interrupt routine.

Reads coin and game select inputs, jumps to COIN_SOUND, PLAYER_START or DEMO_END accordingly.

Reads the player inputs and sets values in RAM accordingly, see BIOS_RAM_locations#Joypad_Related.