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Universal RAM allocator

by pitpan on 13-07-2005, 23:31
Score: 163.05 %, Type: Forum topic , Comments: 25 comments
is usually ROM anyway and if you write to a switch address in a slot where a MegaROM is detected the ROM area ... it). For MSX computers without memory mapper, I explore every slot and subslot looking for RAM. For MSX computers with a mapper, I don't exactly know what to do. How can I prevent other ...

Produce new MSX cartriges

by pitpan on 14-12-2005, 09:07
Score: 83.23 %, Type: Forum topic , Comments: 19 comments
accident'. Even MegaROM coding is easy with tniASM, as you can just use ORG 4000h more than once. (for ... they are not very complex. I mean producing new MSX cartridges without mapper, that is it, 32 KB maximum. In ...

asMSX 0.12e

by pitpan on 08-10-2006, 08:57
Score: 99.53 %, Type: News post , Comments: 7 comments
A new version of Karoshi 's assembler asMSX has just been released. In this new version several improvements were implemented, most notably the direct support for creating megaROMs. Several macros have been predefined, allowing you to create megaROMs easily. The following 4 mappers ...

WTB or trade: external RAM mapper

by pitpan on 06-12-2010, 19:21
Score: 230.9 %, Type: Forum topic , Comments: 22 comments
of at least 1 example, and many cracked megaROMs of MSX1 games should also work. Possibly the same goes ... I'm looking for an external RAM mapper with any size between 1 Mbit and 4 Mbit (128-512 KB) ... of hardware/software to trade: 4 Mbit MegaRAM, 4 Mbyte external mapper, some Konamis, etc. i think you ...

asMSX v.0.12g is out

by pitpan on 19-03-2007, 09:49
Score: 94.03 %, Type: Forum topic , Comments: 4 comments
Newest version of this MSX-specific assembler includes following features: - Improved conditional assembly: IFDEF symbol - Generates CAS files - Generates WAV files And do not forget that since version 0.12e, asMSX does support native megaROM creation for standard mappers (Konami 8/16/SCC, ...

MSX flashcartridge questions

by Pokun on 09-11-2021, 20:51
Score: 145.36 %, Type: Forum topic , Comments: 10 comments
with the MegaROM SCC without an additional cartridge and without patching the original Japanese ROM? 3) ... MegaROM SCC, but they are always sold-out when I look. Hunting down an original SCC+ cartridge seems ... I can use those for regular MegaROM SCC games like Metal Gear 2 anyway). If MegaFlashROM SCC+ SD ...

Header of a ROM cartridge

by pp on 11-04-2006, 07:59
Score: 83.95 %, Type: Forum topic , Comments: 31 comments
by the VDP interrupt. Futhermore, Konami MEGAROMs have hardware for switching ´blocks´. This works like ... Switching with this type of MEGAROM: 6000H-7FFFH is switched by writing a blocknumber to 6000H ... mapper is used. (explained earlyer) The two most significant bits in address line are not connected, ...

TOSHIBA FS-TM1 RGB PINOUT

by psodas on 06-07-2014, 13:50
Score: 104.13 %, Type: Forum topic , Comments: 22 comments
too and there is a reason for it. When back home (after one week), I can dump the megarom. Also, ... FS-TM1 is equipped with the standard ROM, however, could be expanded with the megarom. Manuel ... supported by the ASIC is 128K (can be piggybacked on the first two chips). Also FS-A1F has 2xMegarom ...

Wanted: RAM expander.

by Puffer_Ape on 18-01-2009, 21:05
Score: 134 %, Type: Forum topic , Comments: 9 comments
not exactly what you are asking for, but it will allow you to load MegaROM's into RAM and do your gaming! ... mapper RAM. I grabbed a 16k mapper cart, it really is too tiny, but it w I grabbed a 16k mapper ...

simple Universal MegaROM Mapper for Konami/ASC8/ASC16 (Unimapper)

by Pyhesty on 09-01-2022, 14:00
Score: 566.33 %, Type: Forum topic , Comments: 20 comments
Hello everyone, I have developed a prototype scheme for a universal mapper, based ... https://github.com/Pyhesty/MSX-UniMapper supported types: Konami (without SCC) max 512kB ROM, ASC8 (simple ASC8 page 4000h~5FFFh ... or sst39), so maximum 4Mbits. and i wanted implement mapper in two dip-case. Congrats, buddy! ...
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