dim68k: Remove obsolete patch

This commit is contained in:
AJR 2023-05-18 19:53:48 -04:00
parent ccb44368b5
commit 915cf99f06
2 changed files with 2 additions and 5 deletions

View file

@ -486,7 +486,6 @@ ROM_START( dim68k )
ROM_REGION16_BE( 0x2000, "bootrom", ROMREGION_ERASEFF ) ROM_REGION16_BE( 0x2000, "bootrom", ROMREGION_ERASEFF )
ROM_LOAD16_BYTE( "mc103e.bin", 0x0001, 0x1000, CRC(4730c902) SHA1(5c4bb79ad22def721a22eb63dd05e0391c8082be)) ROM_LOAD16_BYTE( "mc103e.bin", 0x0001, 0x1000, CRC(4730c902) SHA1(5c4bb79ad22def721a22eb63dd05e0391c8082be))
ROM_LOAD16_BYTE( "mc104.bin", 0x0000, 0x1000, CRC(14b04575) SHA1(43e15d9ebe1c9c1bf1bcfc1be3899a49e6748200)) ROM_LOAD16_BYTE( "mc104.bin", 0x0000, 0x1000, CRC(14b04575) SHA1(43e15d9ebe1c9c1bf1bcfc1be3899a49e6748200))
ROM_FILL(0x11dd, 1, 0x0d) // TEMP: patch keyboard table so return is return
ROM_REGION( 0x1000, "chargen", ROMREGION_ERASEFF ) ROM_REGION( 0x1000, "chargen", ROMREGION_ERASEFF )
ROM_LOAD( "mc105e.bin", 0x0000, 0x1000, CRC(7a09daa8) SHA1(844bfa579293d7c3442fcbfa21bda75fff930394)) ROM_LOAD( "mc105e.bin", 0x0000, 0x1000, CRC(7a09daa8) SHA1(844bfa579293d7c3442fcbfa21bda75fff930394))

View file

@ -11,7 +11,8 @@
communication is unidirectional asynchronous TTL-level serial at communication is unidirectional asynchronous TTL-level serial at
300 baud, using ASCII codes only for printable characters. LEDs 300 baud, using ASCII codes only for printable characters. LEDs
are provided for the Caps Lock and Num Lock keys, but not for are provided for the Caps Lock and Num Lock keys, but not for
Scroll Lock. Scroll Lock. The components include the usual Keytronic decoder
and detector ASICs (22-950-3B and 22-908-03A).
Mysteries: Mysteries:
Why does the 8048 have to be slightly overclocked to yield the Why does the 8048 have to be slightly overclocked to yield the
@ -21,9 +22,6 @@
errors frequently result, but these might be harmless. errors frequently result, but these might be harmless.
There are actually two serial outputs generated by the 8048, There are actually two serial outputs generated by the 8048,
one being the complement of the other. one being the complement of the other.
Due to an apparent bug in CP/M, 2 on the numeric keypad may not
work correctly in numeric mode (likely since the code it sends
is coincidentally the ASCII CR code).
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