Search found 24 matches: lorom hirom name

Searched query: lorom hirom name

by LittleRain
Sat Oct 19, 2019 9:53 pm
Forum: Reproduction
Topic: (SNES)Help With Circuit for LoRom M27C322
Replies: 26
Views: 2863

Re: (SNES)Help With Circuit for LoRom M27C322

... regular diodes. OK good to clarify. Some older LoROM boards use the '139's, the MAD-1 chips came later. I've never seen a HiROM board with '139's, but they could be out there. ... of custom silicon. The last letter of the PCB name (e.g. "1A3B") specifies what hardware is on the ...
by lidnariq
Fri Oct 18, 2019 6:56 pm
Forum: Reproduction
Topic: (SNES)Help With Circuit for LoRom M27C322
Replies: 26
Views: 2863

Re: (SNES)Help With Circuit for LoRom M27C322

... used 74'139s instead of custom silicon. The last letter of the PCB name (e.g. "1A3B") specifies what hardware is on the cart. ( nocash's FullSNES § SNES Cartridge PCBs ) I've never seen a HiROM board with '139's, but they could be out there. 1J3B My SRAM chip has 2 chip ...
by Kangsteri
Sun Jul 29, 2018 8:16 am
Forum: SNESdev
Topic: Super UFO Pro 8 hardware & USB info/tools
Replies: 2
Views: 5297

Re: Super UFO Pro 8 hardware & USB info/tools

... And there might be issues with unpatched DSP1 LoRom (pilot wings). The Super UFO is based on the ... (XXXX-1AXX-XX is LoRom, and XXXX-1JXX-XX is HiRom) BSX: ==== All games work. All roms tested ... cartridges: BS-X The Story of The Town Whose Name Was Stolen - BS-X Sore wa Namae o Nusumareta ...
by Pokun
Sun Jan 15, 2017 7:28 am
Forum: SNESdev
Topic: LoROM vs HiROM
Replies: 25
Views: 13149

Re: LoROM vs HiROM

I see, so if it would have an official name I guess it would be Mode 24. In that case it's best to use "ExLoROM" only for this Mode 24 and "S-DD1" for Mode 22 to ... Official Name - Scene Name Mode 20 - LoROM Mode 21 - HiROM Mode 22 - S-DD1 Mode 23 - SA-1 Mode 24 - ExLoROM ...
by tepples
Sat Jan 14, 2017 9:30 am
Forum: SNESdev
Topic: LoROM vs HiROM
Replies: 25
Views: 13149

Re: LoROM vs HiROM

The scene name is SA-1. As on the NES, the rule is that a mapper dominated by a big ASIC gets named after that ASIC, while a board with no big ASIC is named in some other memorable way. For NES, said memorable way is the silkscreened ...
by Pokun
Sat Jan 14, 2017 8:36 am
Forum: SNESdev
Topic: LoROM vs HiROM
Replies: 25
Views: 13149

Re: LoROM vs HiROM

... the official naming in the header: Mode 20 - LoROM Mode 21 - HiROM Mode 22 (S-DD1) (says "reserved for future use" in ... ExLoROM Mode 23 (SA-1) - Doesn't seem to have a "scene name"? Mode 25 - ExHiROM The byte in the header: 001A0BCD ...
by tepples
Sun Sep 06, 2015 2:18 pm
Forum: SNESdev
Topic: Map of S-CPU address space
Replies: 13
Views: 12541

Re: Map of S-CPU address space

lidnariq wrote:Other than the weirdness where there's two rows for the SFRs in banks $80-$BF but only one in banks $00-$3F, it looks good?
Where did the name "SFRs" come from? I know them as "MMIO areas". Corrected below.

Anyone know what the standard battery RAM addresses are in LoROM and HiROM?
by tepples
Wed Sep 02, 2015 7:17 am
Forum: Reproduction
Topic: Anyone have the wiring for m27c160 chips
Replies: 58
Views: 19537

Re: Anyone have the wiring for m27c160 chips

... is considered turned on when it is low. The name of an active low signal will begin with a slash, ... (mebibyte) is 1048576 bytes, or 2^20 bytes. LoROM describes a memory mapping in Super NES Game ... and output ports and RAM inside the system. HiROM describes a memory mapping in Super NES Game ...
by koitsu
Tue Jul 29, 2014 12:36 pm
Forum: SNESdev
Topic: Getting HiROM/map no 21 image to work correctly?
Replies: 12
Views: 2690

Re: Getting HiROM/map no 21 image to work correctly?

... needed first thing). This also means K -- the name of the register associated with the bank where ... this: if you're going to try converting a LoROM thing into HiROM, you need to understand the memory maps correctly. ...
by Josh86
Thu May 08, 2014 11:01 am
Forum: SNESdev
Topic: INL HiLoROM SNES flash cart
Replies: 340
Views: 82395

Re: INL HiLoROM SNES flash cart

... far programming any of the 4MB boards with HiROM/LoRom Slow/Fast or combination thereof. Secret of Mana and ... the Raziel -- I've been a long fan of LoK. Also, your name reminds me of mozzarella cheese and Mozilla and these ...
by thefox
Fri Sep 28, 2012 8:12 am
Forum: NESdev
Topic: IF macro for ca65
Replies: 56
Views: 17658

Re: Converting a Lorom pcb cart to a hirom pcb cart

... to another. And even then, I have a feeling that they'll invalidate the local @ labels too, because under the hood CA65 is simply replacing their name with a unique identifier.
by tepples
Mon Jul 02, 2012 7:37 pm
Forum: SNESdev
Topic: Been reading up on SNES repos, have I got my facts straight?
Replies: 86
Views: 19156

... information embedded in the ROM at $7FD0 of a LoROM or $FFD0 of a HiROM. Are there no limitations on what the ROM can be named, so long as it ends in ".sfc" (short for "Super Fami Com" I'm ...
by AWJ
Sun May 06, 2012 5:11 pm
Forum: SNESdev
Topic: LoROM vs HiROM
Replies: 25
Views: 13149

LoROM and HiROM don't actually exist. Although I don't have a better name for this, what you're implying is basically A22=0 vs 1. Of course I'll ...
by byuu
Sun May 06, 2012 4:04 pm
Forum: SNESdev
Topic: LoROM vs HiROM
Replies: 25
Views: 13149

LoROM and HiROM don't actually exist. Although I don't have a better name for this, what you're implying is basically A22=0 vs 1. Of course I'll ...
by AWJ
Sun May 06, 2012 1:58 am
Forum: SNESdev
Topic: LoROM vs HiROM
Replies: 25
Views: 13149

LoROM vs HiROM

LoROM advantages: - You have ROM, hardware registers, and ... 6502-based platform can be reused with less work. HiROM advantages: - Banks are twice as large, so your code ... Memorial is the only 32MBit LoROM cartridge I can name off the top of my head)