A ROM emulator for the 71B
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11-06-2020, 10:58 PM
(This post was last modified: 11-06-2020 11:01 PM by Dave Frederickson.)
Post: #5
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RE: A ROM emulator for the 71B
(11-06-2020 09:58 PM)rprosperi Wrote: B. Prepare the image Not quite. ROM images have one checksum per 16k, as in TITANCHK, while EPROM images have one checksum per image. The PTGENC$ command, above, comes from the CMT Tools package for burning EPROMS. Instead one should use ROMCOPY, described by Dave Conklin of Firmware Specialists as "a lex file that computes and places checksums in ROM images." Dave Edit: As discussed in other threads, the "EPROM image" will work. It will, however, fail a ROM diagnostic. |
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