Gryzor Memory Map

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Memory Map

The following is a memory map that was generated based on the MAME source code (.180). This information is only as accurate as the MAME driver is. If you see any errors, please let me know what that error is.

The Memory Area is related to where the information is from (CPU, Sound Board, etc..), and it may also reflect what it has in common with other hardware.

Gryzor (Konami, 1987)

Memory Area:contra_map

Address Range	Length	Function	Description
0x0000-0x0007	8	Write	contra_K007121_ctrl_0_w
0x0010	1	Read Port	SYSTEM
0x0011	1	Read Port	P1
0x0012	1	Read Port	P2
0x0014	1	Read Port	DSW1
0x0015	1	Read Port	DSW2
0x0016	1	Read Port	DSW3
0x0018	1	Write	contra_coin_counter_w
0x001A	1	Write	contra_sh_irqtrigger_w
0x001C	1	Device Write	soundlatch, generic_latch_8_device, write
0x001E	1	Write NOP	(/* ? */)
0x0060-0x0067	8	Write	contra_K007121_ctrl_1_w
0x0C00-0x0CFF	256	RAM Device Write, Shared	palette, palette_device, write_indirect, palette
0x1000-0x1FFF	4096	RAM
0x2000-0x23FF	1024	Write, Shared	contra_fg_cram_w, fg_cram
0x2000-0x5FFF	16384	Read Only
0x2400-0x27FF	1024	Write, Shared	contra_fg_vram_w, fg_vram
0x2800-0x2BFF	1024	Write, Shared	contra_text_cram_w, tx_cram
0x2C00-0x2FFF	1024	Write, Shared	contra_text_vram_w, tx_vram
0x3000-0x37FF	2048	Write Only, Shared	spriteram (/* 2nd bank is at 0x5000 */)
0x3800-0x3FFF	2048	Write Only	(// second sprite buffer)
0x4000-0x43FF	1024	Write, Shared	contra_bg_cram_w, bg_cram
0x4400-0x47FF	1024	Write, Shared	contra_bg_vram_w, bg_vram
0x4800-0x5FFF	6144	Write Only
0x6000-0x7FFF	8192	ROM Bank	bank1
0x7000	1	Write	contra_bankswitch_w
0x8000-0xFFFF	32768	ROM

Memory Area:sound_map

Address Range	Length	Function	Description
0x0000	1	Device Read	soundlatch, generic_latch_8_device, read
0x2000-0x2001	2	Device Read/Write	ymsnd, ym2151_device, read, write
0x4000	1	Write NOP	(/* read triggers irq reset and latch read (in the hardware only). */)
0x6000-0x67FF	2048	RAM
0x8000-0xFFFF	32768	ROM

ROM Map for this game

This is the ROM map for the game. This should tell you what address the ROM is at, how big it is, what it's used for.

Memory Area:audiocpu

Address Range	Length	Label/Location	Description
0x8000-0xFFFF	32768	633e01.12a	CRC(d1549255) (Fluke: 5B1F)
0x8000-0xFFFF	32768	633e01.12a	CRC(d1549255) (Fluke: 5B1F)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x10000-0x1FFFF	65536	633j02.17a	CRC(b5922f9a) (Fluke: 2032)
0x20000-0x27FFF	32768	633j03.18a	CRC(20919162) (Fluke: 7EA6)

Memory Area:pals

Address Range	Length	Label/Location	Description
0x0000	1	007766.20d.bin	PAL16L8A-2CN
0x0000	1	007766.20d.bin	PAL16L8A-2CN

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	633e08.10g	CRC(9f0949fa),007121 #0 sprite lookup table (Fluke: 70E5)
0x0000-0x00FF	256	633e08.10g	CRC(9f0949fa),007121 #0 sprite lookup table (Fluke: 70E5)
0x0100-0x01FF	256	633e09.12g	CRC(14ca5e19),007121 #0 char lookup table (Fluke: EB68)
0x0100-0x01FF	256	633e09.12g	CRC(14ca5e19),007121 #0 char lookup table (Fluke: EB68)
0x0200-0x02FF	256	633f10.18g	CRC(2b244d84),007121 #1 sprite lookup table (Fluke: 4BBC)
0x0200-0x02FF	256	633f10.18g	CRC(2b244d84),007121 #1 sprite lookup table (Fluke: 4BBC)
0x0300-0x03FF	256	633f11.20g	CRC(14ca5e19),007121 #1 char lookup table (Fluke: EB68)
0x0300-0x03FF	256	633f11.20g	CRC(14ca5e19),007121 #1 char lookup table (Fluke: EB68)