Model T Y2K: Difference between revisions

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Line 13: Line 13:
:0x5A5B 0x31 -> 0x32
:0x5A5B 0x31 -> 0x32
:0x5A5E 0x39 -> 0x30
:0x5A5E 0x39 -> 0x30
[[File:M10_System_ROM_NorthAmerica.orig.hex]] [[File:M10_System_ROM_NorthAmerica.orig.bin]]<br>
<!-- [[File:M10_System_ROM_NorthAmerica.orig.hex]] -->[[File:M10_System_ROM_NorthAmerica.orig.bin]]<br>
[[File:M10_System_ROM_NorthAmerica.y2k.hex]] [[File:M10_System_ROM_NorthAmerica.y2k.bin]]
<!-- [[File:M10_System_ROM_NorthAmerica.y2k.hex]] -->[[File:M10_System_ROM_NorthAmerica.y2k.bin]]


==Kyotronic KC-85==
==Kyotronic KC-85==
:0x575E 0x31 -> 0x32
:0x575E 0x31 -> 0x32
:0x5761 0x39 -> 0x30
:0x5761 0x39 -> 0x30
[[File:KC-85.orig.hex]] [[File:KC-85.orig.bin]]<br>
<!-- [[File:KC-85.orig.hex]] -->[[File:KC-85.orig.bin]]<br>
[[File:KC-85.y2k.hex]] [[File:KC-85.y2k.bin]]
<!-- [[File:KC-85.y2k.hex]] -->[[File:KC-85.y2k.bin]]


==NEC PC-8201A, PC-8300==
==NEC PC-8201A, PC-8300==

Revision as of 07:39, 30 March 2021

"Model T computer" system rom Y2K patches

General

Search for the sequence 23 36 31 23 36 39
Change the 31 to 32
Change the 39 to 30

TRS-80 Model 100

0x5A53 0x31 -> 0x32
0x5A56 0x39 -> 0x30

Olivetti M10, NorthAmerica

0x5A5B 0x31 -> 0x32
0x5A5E 0x39 -> 0x30

File:M10 System ROM NorthAmerica.orig.bin
File:M10 System ROM NorthAmerica.y2k.bin

Kyotronic KC-85

0x575E 0x31 -> 0x32
0x5761 0x39 -> 0x30

File:KC-85.orig.bin
File:KC-85.y2k.bin

NEC PC-8201A, PC-8300

0x5D91 0x31 -> 0x32
0x5D94 0x39 -> 0x30
0x7E30 0x33 -> 0x31
0x7E31 0x38 -> 0x30


Reference: http://www.muppetlabs.com/~chris/model100/y2000.html https://www.web8201.net/default.asp?content=tech.asp