Model T System ROMs - Revision history

Hackerb9: /* NEC PC-8201 */ Add the Japanese PC-8201 ROM from MAME (was called 3256a41-3b1 n 82 basic.rom0)

2026-02-19T10:55:24Z

NEC PC-8201: Add the Japanese PC-8201 ROM from MAME (was called 3256a41-3b1 n 82 basic.rom0)

← Older revision		Revision as of 10:55, 19 February 2026
Line 81:		Line 81:
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
	! Name !! ~~Version~~ !! CRC32 !! Original ROM !! Y2K-patched		! Name !! CRC16 !! CRC32 !! Original ROM !! Y2K-patched
	\|-		\|-
	\|		\|Japan \|\| 0508 \|\| 3dbaa484 \|\| [[File:NEC_PC-8201.jp.orig.bin]] \|\|
	\|-		\|-
	\|}		\|}

2026-02-15T08:02:43Z

Tandy 200: Update checksums for corrected M15 ROM

← Older revision		Revision as of 08:02, 15 February 2026
Line 72:		Line 72:
	! Name !! CRC16 !! CRC32 !! Original 72K ROM !! Y2K patched 72K ROM		! Name !! CRC16 !! CRC32 !! Original 72K ROM !! Y2K patched 72K ROM
	\|-		\|-
	\| US \|\| ~~972C~~ \|\| ~~f6bb012a~~		\| US \|\| C061 \|\| 8fdbb58c
	\|\| [[file:Tandy_200.us.orig.bin]]		\|\| [[file:Tandy_200.us.orig.bin]]
	\|\| [[file:Tandy_200.us.y2k.bin]]		\|\| [[file:Tandy_200.us.y2k.bin]]

2026-02-15T08:00:41Z

Tandy 200: Update checksums for corrected M15 ROM

← Older revision		Revision as of 08:00, 15 February 2026
Line 40:		Line 40:
	! Name !! CRC16 !! CRC32 !! Original 32K ROM !! Y2K-patched 32K ROM		! Name !! CRC16 !! CRC32 !! Original 32K ROM !! Y2K-patched 32K ROM
	\|-		\|-
	\| US \|\| ~~25C3~~ \|\| ~~f3aec804~~		\| US \|\| 9535 \|\| d0c56acf
	\|\| [[file:Tandy_200.M15.orig.bin]]		\|\| [[file:Tandy_200.M15.orig.bin]]
	\|\| [[file:Tandy_200.M15.y2k.bin]]		\|\| [[file:Tandy_200.M15.y2k.bin]]

2026-02-14T19:23:05Z

Link to CRC-16 calculator

← Older revision		Revision as of 19:23, 14 February 2026
Line 1:		Line 1:
	This is the list of "system ROMs", the builtin software on a chip that came with the Model T. The checksums use CRC32/PKZIP and CRC16/XMODEM. When a [[Model_T_Y2K\|Y2K-patched]] versions is available, CRC checksum refers to the original ROM. Also see: the list of [[ModelT_roms\|ModelT Option ROM]]s and the [[FlexROM_100\|FlexROM 100]].		This is the list of "system ROMs", the builtin software on a chip that came with the Model T. The checksums use CRC32/PKZIP and [https://crccalc.com/?method=CRC-16 CRC16]/XMODEM. When a [[Model_T_Y2K\|Y2K-patched]] versions is available, CRC checksum refers to the original ROM. Also see: the list of [[ModelT_roms\|ModelT Option ROM]]s and the [[FlexROM_100\|FlexROM 100]].

	==TRS-80 Model 100==		==TRS-80 Model 100==

2026-02-14T19:19:23Z

NEC PC-8300: Add explanation of why this ROM is 128K with link to BKW's explanation and nifty adapter.

← Older revision		Revision as of 19:19, 14 February 2026
Line 100:		Line 100:

	==NEC PC-8300==		==NEC PC-8300==

			The PC-8300 has an unusual 1Mbit (128KB) main ROM on a 28 pin DIP socket. If you wish to write this file to an (E)EPROM, please see [[FLASH_23C1000]]. Developers accessed this chip as four 32KB ROMs, bank selected either high or low in the 64K address space.

	{\| class="wikitable"		{\| class="wikitable"

2026-02-14T18:56:49Z

Tandy shouldn't be all caps as it was not an acronym, unlike TRS-80 and NEC.

← Older revision		Revision as of 18:56, 14 February 2026
Line 17:		Line 17:
	\|}		\|}

	==~~TANDY~~ 102==		==Tandy 102==

	{\| class="wikitable"		{\| class="wikitable"
Line 33:		Line 33:
	\|}		\|}

	==~~TANDY~~ 200==		==Tandy 200==
	The Tandy 200 system ROM spans 3 chips, 32k at M15, 8k at M13, and 32k at M14 (Multiplan).		The Tandy 200 system ROM spans 3 chips, 32k at M15, 8k at M13, and 32k at M14 (Multiplan).

2026-02-14T18:06:40Z

TANDY 200: Correct machine name

2026-02-14T04:57:03Z

Oops "Same" didn't make it clear "same row" or "same column"

← Older revision		Revision as of 04:57, 14 February 2026
Line 13:		Line 13:
	\| [https://sarahkmarr.com/retromodel100.html LibROM-1.1a] \|\| 60F0 \|\| ad1ee50b		\| [https://sarahkmarr.com/retromodel100.html LibROM-1.1a] \|\| 60F0 \|\| ad1ee50b
	\|\| [[file:TRS-80_Model_100.LibROM-1.1a.bin]]		\|\| [[file:TRS-80_Model_100.LibROM-1.1a.bin]]
	\|\| (~~Same~~)		\|\| (Not applicable)
	\|-		\|-
	\|}		\|}

2026-02-14T04:56:23Z

Just note that there is no "Y2K" version of LibROM as it is not needed

← Older revision		Revision as of 04:56, 14 February 2026
Line 1:		Line 1:
	This is the list of "system ROMs", the builtin software on a chip that came with the Model T. The checksums ~~used~~ CRC32/PKZIP and CRC16/XMODEM. When a [[Model_T_Y2K\|Y2K-patched]] versions is available, CRC checksum refers to the original ROM. Also see: the list of [[ModelT_roms\|ModelT Option ROM]]s and the [[FlexROM_100\|FlexROM 100]].		This is the list of "system ROMs", the builtin software on a chip that came with the Model T. The checksums use CRC32/PKZIP and CRC16/XMODEM. When a [[Model_T_Y2K\|Y2K-patched]] versions is available, CRC checksum refers to the original ROM. Also see: the list of [[ModelT_roms\|ModelT Option ROM]]s and the [[FlexROM_100\|FlexROM 100]].

	==TRS-80 Model 100==		==TRS-80 Model 100==
Line 13:		Line 13:
	\| [https://sarahkmarr.com/retromodel100.html LibROM-1.1a] \|\| 60F0 \|\| ad1ee50b		\| [https://sarahkmarr.com/retromodel100.html LibROM-1.1a] \|\| 60F0 \|\| ad1ee50b
	\|\| [[file:TRS-80_Model_100.LibROM-1.1a.bin]]		\|\| [[file:TRS-80_Model_100.LibROM-1.1a.bin]]
	\|\|		\|\| (Same)
	\|-		\|-
	\|}		\|}

2026-02-13T05:38:48Z

TRS-80 Model 100: Add Sarah Marr's LibROM hack

← Older revision		Revision as of 05:38, 13 February 2026
Line 10:		Line 10:
	\|\| [[file:TRS-80_Model_100.orig.bin]]		\|\| [[file:TRS-80_Model_100.orig.bin]]
	\|\| [[file:TRS-80_Model_100.y2k.bin]]		\|\| [[file:TRS-80_Model_100.y2k.bin]]
			\|-
			\| [https://sarahkmarr.com/retromodel100.html LibROM-1.1a] \|\| 60F0 \|\| ad1ee50b
			\|\| [[file:TRS-80_Model_100.LibROM-1.1a.bin]]
			\|\|
	\|-		\|-
	\|}		\|}