18 Challenge Pro Golf 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.

18 Challenge Pro Golf (Data East Corporation, 1982)

Memory Area:decocass_map

Address Range	Length	Function	Description
0x0000-0x5FFF	24576	RAM, Shared	rambase
0x6000-0xBFFF	24576	RAM Write, Shared	decocass_charram_w, charram (/* still RMS3 RAM */)
0xC000-0xC3FF	1024	RAM Write, Shared	decocass_fgvideoram_w, fgvideoram (/* DSP3 RAM */)
0xC400-0xC7FF	1024	RAM Write, Shared	decocass_colorram_w, colorram
0xC800-0xCBFF	1024	Read/Write	mirrorvideoram_r, mirrorvideoram_w
0xCC00-0xCFFF	1024	Read/Write	mirrorcolorram_r, mirrorcolorram_w
0xD000-0xD7FF	2048	RAM Write, Shared	decocass_tileram_w, tileram
0xD800-0xDBFF	1024	RAM Write, Shared	decocass_objectram_w, objectram
0xE000-0xE0FF	256	RAM Write, Shared	decocass_paletteram_w, paletteram
0xE300	1	Read Port, Write	DSW1, decocass_watchdog_count_w
0xE301	1	Read Port, Write	DSW2, decocass_watchdog_flip_w
0xE302	1	Write	decocass_color_missiles_w
0xE400	1	Write	decocass_reset_w
0xE402	1	Write	decocass_mode_set_w (/* scroll mode regs + various enable regs */)
0xE403	1	Write	decocass_back_h_shift_w (/* back (both) tilemap x scroll */)
0xE404	1	Write	decocass_back_vl_shift_w (/* back (left) (top@rot0) tilemap y scroll */)
0xE405	1	Write	decocass_back_vr_shift_w (/* back (right) (bot@rot0) tilemap y scroll */)
0xE406	1	Write	decocass_part_h_shift_w (/* headlight */)
0xE407	1	Write	decocass_part_v_shift_w (/* headlight */)
0xE410	1	Write	decocass_color_center_bot_w
0xE411	1	Write	decocass_center_h_shift_space_w
0xE412	1	Write	decocass_center_v_shift_w
0xE413	1	Write	decocass_coin_counter_w
0xE414	1	Read/Write	decocass_sound_command_main_r, decocass_sound_command_w
0xE415-0xE416	2	Write	decocass_quadrature_decoder_reset_w
0xE417	1	Write	decocass_nmi_reset_w
0xE420-0xE42F	16	Write	decocass_adc_w
0xE500-0xE5FF	256	Read/Write	decocass_e5xx_r, decocass_e5xx_w (/* read data from 8041/status */)
0xE600-0xE6FF	256	Read	decocass_input_r (/* inputs */)
0xE700	1	Read	decocass_sound_data_r (/* read sound CPU data */)
0xE701	1	Read	decocass_sound_ack_r (/* read sound CPU ack status */)
0xF000-0xFFFF	4096	ROM

Memory Area:decocass_mcu_portmap

Address Range	Length	Function	Description
0x0000	1	Read/Write	i8041_p1_r, i8041_p1_w
0x0000	1	Read/Write	i8041_p2_r, i8041_p2_w

Memory Area:decocass_sound_map

Address Range	Length	Function	Description
0x0000-0x0FFF	4096	RAM
0x1000-0x17FF	2048	Read/Write	decocass_sound_nmi_enable_r, decocass_sound_nmi_enable_w
0x1800-0x1FFF	2048	Read/Write	decocass_sound_data_ack_reset_r, decocass_sound_data_ack_reset_w
0x2000-0x2FFF	4096	Device Write	ay1, ay8910_device, data_w
0x4000-0x4FFF	4096	Device Write	ay1, ay8910_device, address_w
0x6000-0x6FFF	4096	Device Write	ay2, ay8910_device, data_w
0x8000-0x8FFF	4096	Device Write	ay2, ay8910_device, address_w
0xA000-0xAFFF	4096	Read	decocass_sound_command_r
0xC000-0xCFFF	4096	Write	decocass_sound_data_w
0xF800-0xFFFF	2048	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:cassette

Address Range	Length	Label/Location	Description
0x0000-0x66FF	26368	progolf18.cas	CRC(3024396c)

Memory Area:dongle

Address Range	Length	Label/Location	Description
0x0000-0x001F	32	de-0061-a-0.rom	CRC(1bc9fccb)