P ROM: Difference between revisions

Revision as of 04:19, 28 October 2015

1MiB P1 ROM

16bit ROM(s) containing byteswapped 68k binaries in cartridges.

Sometimes, two 8 bit ROMs are used as a second P ROM (called "SP1/2" or "EP1/2").

When unbanked, the maximum size is 1MiB. Some games use bankswitching to use 2MiB or bigger P ROMs.

Some cartridges use an NGPC flash board soldered in place of the mask ROMs.

@@ Line 4: / Line 4: @@
 Sometimes, two 8 bit ROMs are used as a second P ROM (called "SP1/2" or "EP1/2").
-Unbanked, the maximum size is [[68k memory map|1MiB]]. Some games use [[bankswitching]] to use 2MiB and bigger P ROMs.
+When unbanked, the maximum size is [[68k memory map|1MiB]]. Some games use [[bankswitching]] to use 2MiB or bigger P ROMs.
-Some cartridges use have an [[NGPC_flash_board]] soldered in instead of a mask ROM.
+Some cartridges use an [[NGPC flash board]] soldered in place of the mask ROMs.
 [[Category:Chips]]
 [[Category:Cartridge systems]]