Super R-Type RAM Map

Address	Size	Type	Description
$7E:004C	2 bytes	Flow	If #$0080 is set, run the game, otherwise wait for NMI.
$7E:004E	2 bytes	Flow	16-bit frame counter, incremented every time the NMI runs.
$7E:0050	2 bytes	Flow	16-bit frame counter, incremented every time the game logic runs.
$7E:0080	1 byte	PPU	$2100 register mirror
$7E:0082	1 byte	CPU	$4200 register mirror, only written once because $4200 is always #$81
$7E:00F4	1 byte	PPU	Copy of PPU status flag, $213E
$7E:0700	Unknown
$7E:1580	Unknown
$7E:1832	Unknown		Seems to be a group related to BG 0
$7E:1836	2 bytes	PPU	BG 0 X position
$7E:1838	2 bytes	PPU	BG 0 Y position
$7E:1862	Unknown		Seems to be a group related to BG 1
$7E:1866	2 bytes	PPU	BG 1 X position
$7E:1868	2 bytes	PPU	BG 1 Y position
$7E:1892	Unknown		Seems to be a group related to BG 2
$7E:1896	2 bytes	PPU	BG 2 X position
$7E:1898	2 bytes	PPU	BG 2 Y position
$7E:1902	128 bytes		Each entry has 8 bytes.
$7E:2200	512 bytes	OAM	OAM table
$7E:2400	32 bytes	OAM	OAM attribute table
$7E:24A0	1024 bytes	VRAM	Unknown data that is transferred to VRAM
$7E:2F60	512 bytes	Palette	CGRAM
$7E:8000	32768 bytes	Empty	Unused data, initialized at reset.
$7F:0000	65536 bytes	Empty	Unused data, not even initialized.