Page Comparison

...

XY-Modem was able to fit within some unused space in the top bank of SpellMaster, but it needed to be recompiled with a new org address to achieve this.

Flashing the ROM

Note
This ROM image is intended for an internal 512KB flash memory modification. It is confirmed working on a real Z88. Proceed at own risk!

ROM image for OZvm emulator:

View file

name	OZ4.0+Vision2+SpellMaster.rom

Downgrade files:

View file

name	OZ4.0 slot 0 downgrade + Vision2 + SpellMaster.zip

OZ version

Downgrade Method

Notes

5.0

◇ U P D

None

4.7.1

◇ U P D

The screen may stay off after the write to flash and the machine may not reset automatically.
To be sure it has completed leave for 5 minutes, then reset manually.

< 4.7.1

RUN"ROMUPDATE.BAS" from BASIC

Copy both romupdate.bas and romupdate.crc to RAM.
The screen will corrupt as the flash process begins. One row will blink. This is normal.

Image Added

Downgrade ROM Manifest

Code Block

language	none

CFG.V3
; OZ ROM for slot 0 and total of 24 banks to update.
OZ.0,24
; Bank file, CRC, destination bank in slot 0.
"ozs0-400.32",$9de67a39,$00
"ozs0-400.33",$1d32d297,$01
"ozs0-400.34",$65ed5623,$02
"ozs0-400.35",$e2e022c6,$03
"ozs0-400.36",$8758704a,$04
"ozs0-400.37",$b860cf23,$05
"ozs0-400.38",$d3104e3f,$06
"ozs0-400.39",$5c5de229,$07
"eazylnk-524.40",$9732f962,$08
"flashst-198.41",$cfa6c666,$09
"spell.42",$96ee9077,$0a
"spell.43",$05f85bc3,$0b
"spell.44",$ff58c545,$0c
"spell.45",$ebfef5c3,$0d
"spell.46",$f3badaf9,$0e
"spell.47",$3a7c540b,$0f
"spell.48",$853282d3,$10
"spell-xymdm.49",$c84cab67,$11
"vision2-206.50",$eca18d37,$12
"vision2-206.51",$7cbc18ea,$13
"file-area.52",$7c344d49,$14
"file-area.53",$ffdd48b4,$15
"file-area.54",$4a2d56c7,$16
"ozs0-400.63",$ffce2400$d5daddb3,$1f

Versions Compared

Old Version 53

New Version 54

Key

Flashing the ROM

Downgrade ROM Manifest