S ROM: Difference between revisions
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[[File:s_rom.jpg|thumb|right|128KiB S1 ROM]] | [[File:s_rom.jpg|thumb|right|128KiB S1 ROM]] | ||
Graphics ROM containing tiles for the [[ | Graphics ROM containing tiles for the [[fix layer]]. Bankswitching for ROMs larger than 128KiB is handled by {{Chipname|NEO-CMC}}. | ||
Also found embedded in [[MVS | Also found embedded in the [[MVS]] under the [[SFIX ROM|SFIX]] name. | ||
==Data format== | ==Data format== | ||
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==Speed== | ==Speed== | ||
Minimum speed grade: 200ns (strictly < 250ns). | Minimum speed grade: 200ns (strictly < 250ns). Or is it < 200ns ? 5 or 6 mclk ? | ||
[[Category:Chips]] | [[Category:Chips]] | ||
[[Category:Cartridge systems]] | [[Category:Cartridge systems]] | ||
[[Category:Video system]] | [[Category:Video system]] | ||
Latest revision as of 02:35, 21 October 2017
Graphics ROM containing tiles for the fix layer. Bankswitching for ROMs larger than 128KiB is handled by NEO-CMC.
Also found embedded in the MVS under the SFIX name.
Data format
See fix graphics format.
Speed
Minimum speed grade: 200ns (strictly < 250ns). Or is it < 200ns ? 5 or 6 mclk ?