[MAME]

Yie Ar Kung-Fu 

CPU:    Motorola 6809

Normal 6809 IRQs must be generated each video frame (60 fps).
The 6809 NMI is used for sound timing.


0000	  	R	VLM5030 status ???
4000	 	 W  control port
					bit 0 - flip screen
					bit 1 - NMI enable
					bit 2 - IRQ enable
					bit 3 - coin counter A
					bit 4 - coin counter B
4800	 	 W	sound latch write
4900	 	 W  copy sound latch to SN76496
4a00	 	 W  VLM5030 control
4b00	 	 W  VLM5030 data
4c00		R   DSW #0
4d00		R   DSW #1
4e00		R   IN #0
4e01		R   IN #1
4e02		R   IN #2
4e03		R   DSW #2
4f00	 	 W  watchdog
5000-502f	 W  sprite RAM 1 (18 sprites)
					byte 0 - bit 0 - sprite code MSB
							 bit 6 - flip X
							 bit 7 - flip Y
					byte 1 - Y position
5030-53ff	RW  RAM
5400-542f    W  sprite RAM 2
					byte 0 - X position
					byte 1 - sprite code LSB
5430-57ff	RW  RAM
5800-5fff	RW  video RAM
					byte 0 - bit 4 - character code MSB
							 bit 6 - flip Y
							 bit 7 - flip X
					byte 1 - character code LSB
8000-ffff	R   ROM

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