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 for the default [[Fix layer]] tileset embedded in [[:Category:cartridge systems|cartridge systems]].
SFIX is the name of the 128kB ROM containing the default [[fix layer]] tileset embedded in [[:Category:cartridge systems|cartridge systems]].


It can be used by the BIOS or by games by switching it in with register '''REG_BRDFIX''' ($3A000B)
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).


The dump is named sfix.sfix in BIOS sets.
The dump is commonly named sfix.sfix.


[[File:fixref01.png|right|thumb|SFIX dump with tile numbers]]
SFIX dump with tile numbers, contents above tile $700 may vary between boards:
 
[[File:fixref01.png]]


[[Category:Chips]]
[[Category:Chips]]

Revision as of 20:02, 18 September 2011

SFIX ROM in a 1FZS MVS slot.

SFIX is the name of the 128kB ROM containing the default fix layer tileset embedded in cartridge systems.

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).

The dump is commonly named sfix.sfix.

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