SFIX ROM: Difference between revisions

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[[File:mvs_sfix.jpg|right|thumb|SFIX ROM in a 1FZS MVS slot.]]
[[File:mvs_sfix.jpg|right|thumb|SFIX ROM in a 1FZS MVS slot.]]


SFIX is the name of the 128kB ROM containing the default [[fix layer]] tileset embedded in [[:Category:cartridge systems|cartridge systems]].
The SFIX (System FIX) ROM is a 64KiB or 128KiB ROM containing the default [[fix layer]] tileset embedded in most [[MVS_hardware|MVS boards]].


It is used by the BIOS to display menus when no cartridges are inserted, or by games by switching it in with register '''REG_BRDFIX''' ($3A000B) and '''REG_CRTFIX''' ($3A001B).
It is used by the [[system ROM]] to display menus when no cartridges are inserted. It can be switched in or out with registers {{Reg|REG_BRDFIX}} and {{Reg|REG_CRTFIX}}.


The dump is commonly named sfix.sfix.
The [[AES_hardware|home system]] does not have an SFIX ROM.


SFIX dump with tile numbers, contents above tile $700 may vary between boards:
=Hash=


<span style="color:#FF0000">Warning, palette is wrong ! Use this matching table: [[NGGTool]]</span>
* CRC32: C2EA0CFD
* SHA1: FD4A618CDCDBF849374F0A50DD8EFE9DBAB706C3
 
The dump is commonly named sfix.sfix
 
=Reference=
 
Rendering of banks 0 to 11 using the [https://en.wikipedia.org/wiki/Color_Graphics_Adapter#Color_palette CGA palette]. Content starting at tile $700 (bank 7) may vary. Banks 7 and 8 are used for the [[HOW TO PLAY]] graphics.


[[File:fixref01.png]]
[[File:fixref01.png]]


[[Category:Cartridge systems]]
[[Category:Chips]]
[[Category:Chips]]

Latest revision as of 20:13, 1 April 2017

SFIX ROM in a 1FZS MVS slot.

The SFIX (System FIX) ROM is a 64KiB or 128KiB ROM containing the default fix layer tileset embedded in most MVS boards.

It is used by the system ROM to display menus when no cartridges are inserted. It can be switched in or out with registers REG_BRDFIX and REG_CRTFIX.

The home system does not have an SFIX ROM.

Hash

  • CRC32: C2EA0CFD
  • SHA1: FD4A618CDCDBF849374F0A50DD8EFE9DBAB706C3

The dump is commonly named sfix.sfix

Reference

Rendering of banks 0 to 11 using the CGA palette. Content starting at tile $700 (bank 7) may vary. Banks 7 and 8 are used for the HOW TO PLAY graphics.