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Commit bbe9d194 authored by Kevin Bracey's avatar Kevin Bracey
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First Iyonix version of Patch, imported from Steve Revill. 

Version 0.01. Tagged as 'Patch-0_01'
parent 26e47225
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!MkClean,fd7
View file @ bbe9d194
......@@ -14,3 +14,4 @@
|
Dir <Obey$Dir>
amu_machine clean
stripdepnd Makefile
Library/squeeze,ff8
View file @ bbe9d194
No preview for this file type
Makefile
View file @ bbe9d194
......@@ -22,21 +22,21 @@ COMPONENT = Patch
APP = !${COMPONENT}
RDIR = Resources
LDIR = ${RDIR}.${LOCALE}
INSTDIR = ${INSTDIR}.${APP}
INSTAPP = ${INSTDIR}.${APP}
# Generic options:
#
AS = aasm
AS = objasm
CC = cc
CP = copy
LD = link
MKDIR = cdir
MKDIR = do mkdir -p
RM = remove
SQUEEZE = squeeze
SQUISH = squish
WIPE = -wipe
AFLAGS = -depend !Depend -stamp -closeexec -quit -module
AFLAGS = -depend !Depend ${THROWBACK} -stamp -quit
CFLAGS = -c -depend !Depend -IC:
CPFLAGS = ~cfr~v
SQFLAGS = -nolist
......@@ -62,8 +62,6 @@ FILES =\
Modules.UnSqueeze\
$(LDIR).Messages\
$(LDIR).ReadMe\
Patches.PocketFS.PocketFS\
Patches.Advance.Advance\
$(LDIR).Templates\
$(RDIR).Transforms
......@@ -80,9 +78,9 @@ all: $(FILES)
@echo $(COMPONENT): all build complete
install: $(FILES)
$(MKDIR) $(INSTDIR); Access $(INSTDIR) /r
Set Alias$CPFD $(CP) %0.%1 $(INSTDIR).%1 $(CPFLAGS)
Set Alias$CPFDL CPFD %*0|MAccess $(INSTDIR).%1 LR/r
$(MKDIR) $(INSTAPP); Access $(INSTAPP) /r
Set Alias$CPFD $(CP) %0.%1 $(INSTAPP).%1 $(CPFLAGS)
Set Alias$CPFDL CPFD %*0|MAccess $(INSTAPP).%1 LR/r
|
CPFDL $(RDIR) !Boot
CPFDL $(LDIR) !Help
......@@ -91,18 +89,13 @@ install: $(FILES)
CPFDL $(RDIR) !Sprites
CPFDL $(RDIR) !Sprites22
CPFDL $(RDIR) BootStrap
$(MKDIR) $(INSTDIR).Library; Access $(INSTDIR).Library /r
$(MKDIR) $(INSTAPP).Library; Access $(INSTAPP).Library /r
CPFDL @ Library.squeeze
$(MKDIR) $(INSTDIR).Modules; Access $(INSTDIR).Modules /r
$(MKDIR) $(INSTAPP).Modules; Access $(INSTAPP).Modules /r
CPFDL @ Modules.UnSqueeze
CPFDL $(LDIR) Messages
|
$(MKDIR) $(INSTDIR).Patches; Access $(INSTDIR).Patches /r
|
$(MKDIR) $(INSTDIR).Patches.PocketFS; Access $(INSTDIR).Patches.PocketFS /r
CPFDL @ Patches.PocketFS.PocketFS
$(MKDIR) $(INSTDIR).Patches.Advance; Access $(INSTDIR).Patches.Advance /r
CPFDL @ Patches.Advance.Advance
$(MKDIR) $(INSTAPP).Patches; Access $(INSTAPP).Patches /r
|
CPFDL $(LDIR) ReadMe
CPFDL $(LDIR) Templates
......@@ -127,7 +120,8 @@ s.TokHelpSrc: s.HelpSrc Hdr:Tokens
Tokenise Hdr:Tokens s.HelpSrc s.TokHelpSrc
Modules.UnSqueeze: s.UnSqueeze s.TokHelpSrc
$(AS) $(AFLAGS) -from s.UnSqueeze -to $@
$(AS) $(AFLAGS) -o o.UnSqueeze s.UnSqueeze
$(LD) -rmf -o $@ o.UnSqueeze
$(RDIR).!RunImage: $(OBJS) $(CLIB) $(RLIB)
$(LD) -o $@ $(OBJS) $(CLIB) $(RLIB)
......
OPatches/4Mation/Jiglet,fc3 deleted 100644 → 0
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# Patch to allow Jiglet to work on RISC OS 3.10.
Application:!Jiglet &2000
Description:4Mation Educational Resources: Jiglet
Patch:Allows Jiglet to run on RISC OS 3.
ReplaceFile:!Jiglet.!run
OldContents:Patch:Patches.4Mation.JigletOld &FEB
NewContents:Patch:Patches.4Mation.JigletNew &FEB
CreateFile:!Jiglet.Patched
NewContents:Patch:Patches.4Mation.Patched &FFF
# Same thing but !jiglet as lower case.
Application:!jiglet &2000
Description:4Mation Educational Resources: Jiglet
Patch:Allows Jiglet to run on RISC OS 3.
ReplaceFile:!jiglet.!run
OldContents:Patch:Patches.4Mation.JigletOld &FEB
NewContents:Patch:Patches.4Mation.JigletNew &FEB
CreateFile:!jiglet.Patched
NewContents:Patch:Patches.4Mation.Patched &FFF
OPatches/4Mation/JigletNew,feb deleted 100644 → 0
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| Copyright 1996 Acorn Computers Ltd
|
| Licensed under the Apache License, Version 2.0 (the "License");
| you may not use this file except in compliance with the License.
| You may obtain a copy of the License at
|
| http://www.apache.org/licenses/LICENSE-2.0
|
| Unless required by applicable law or agreed to in writing, software
| distributed under the License is distributed on an "AS IS" BASIS,
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| See the License for the specific language governing permissions and
| limitations under the License.
|
| > !run file for JIGLET
wimpslot -min 632K -max 632k
set Jiglet$Dir <Obey$Dir>
rmensure ColourTrans 0.52 rmload <Jiglet$Dir>.colours
iconsprites <Jiglet$Dir>.!sprites
run <Jiglet$Dir>.Jiglet %*0
OPatches/4Mation/JigletOld,feb deleted 100644 → 0
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| Copyright 1996 Acorn Computers Ltd
|
| Licensed under the Apache License, Version 2.0 (the "License");
| you may not use this file except in compliance with the License.
| You may obtain a copy of the License at
|
| http://www.apache.org/licenses/LICENSE-2.0
|
| Unless required by applicable law or agreed to in writing, software
| distributed under the License is distributed on an "AS IS" BASIS,
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| See the License for the specific language governing permissions and
| limitations under the License.
|
| > !run file for JIGLET
wimpslot -min 632K -max 632k
set Jiglet$Dir <Obey$Dir>
rmload <Jiglet$Dir>.colours
iconsprites <Jiglet$Dir>.!sprites
run <Jiglet$Dir>.Jiglet %*0
OPatches/4Mation/Jigsaw,fc3 deleted 100644 → 0
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# Patch to allow Jigsaw to work on RISC OS 3.10.
Application:!Jigsaw &2000
Description:4Mation Educational Resources: Jigsaw
Patch:Allows Jigsaw to run on RISC OS 3.
ReplaceFile:!Jigsaw.!run
OldContents:Patch:Patches.4Mation.JigsawOld &FEB
NewContents:Patch:Patches.4Mation.JigsawNew &FEB
CreateFile:!Jigsaw.Patched
NewContents:Patch:Patches.4Mation.Patched &FFF
# Same thing but !jigsaw as lower case.
Application:!jigsaw &2000
Description:4Mation Educational Resources: Jigsaw
Patch:Allows Jigsaw to run on RISC OS 3.
ReplaceFile:!jigsaw.!run
OldContents:Patch:Patches.4Mation.JigsawOld &FEB
NewContents:Patch:Patches.4Mation.JigsawNew &FEB
CreateFile:!jigsaw.Patched
NewContents:Patch:Patches.4Mation.Patched &FFF
OPatches/4Mation/JigsawNew,feb deleted 100644 → 0
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| Copyright 1996 Acorn Computers Ltd
|
| Licensed under the Apache License, Version 2.0 (the "License");
| you may not use this file except in compliance with the License.
| You may obtain a copy of the License at
|
| http://www.apache.org/licenses/LICENSE-2.0
|
| Unless required by applicable law or agreed to in writing, software
| distributed under the License is distributed on an "AS IS" BASIS,
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| See the License for the specific language governing permissions and
| limitations under the License.
|
| > !run file for JIGSAW
wimpslot -min 640K -max 640k
set Jigsaw$Dir <Obey$Dir>
rmensure ColourTrans 0.52 rmload <Jigsaw$Dir>.colours
iconsprites <Jigsaw$Dir>.!sprites
run <Jigsaw$Dir>.Jigsaw %*0
OPatches/4Mation/JigsawOld,feb deleted 100644 → 0
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| Copyright 1996 Acorn Computers Ltd
|
| Licensed under the Apache License, Version 2.0 (the "License");
| you may not use this file except in compliance with the License.
| You may obtain a copy of the License at
|
| http://www.apache.org/licenses/LICENSE-2.0
|
| Unless required by applicable law or agreed to in writing, software
| distributed under the License is distributed on an "AS IS" BASIS,
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| See the License for the specific language governing permissions and
| limitations under the License.
|
| > !run file for JIGSAW
wimpslot -min 640K -max 640k
set Jigsaw$Dir <Obey$Dir>
rmload <Jigsaw$Dir>.colours
iconsprites <Jigsaw$Dir>.!sprites
run <Jigsaw$Dir>.Jigsaw
OPatches/4Mation/Patched deleted 100644 → 0
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If this file is present, then this application has
been patched to work on RISC OS 3.
OPatches/Acorn/DDT,fc3 deleted 100644 → 0
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# Patch to allow Acorn DDT to run on RISC OS 3.50.
Application:!DDT &2000
Description:Acorn Desktop Debugging Tool
Patch:Allows Acorn DDT to run on RISC OS 3.50
File:!DDT.!Boot &FEB
Location:&20
ChangeWord:&332E3120 &362E3120
Location:&24
ChangeWord:&207C0A30 &207C0A32
Location:&4C
ChangeWord:&0A303939 &0A343939
File:!DDT.!Run &FEB
Location:&20
ChangeWord:&332E3120 &362E3120
Location:&24
ChangeWord:&207C0A30 &207C0A32
Location:&4C
ChangeWord:&0A303939 &0A343939
Location:&31C
ChangeWord:&0A30332E &0A32362E
File:!DDT.Templates &FEC
Location:&20
ChangeWord:&6566660D &00000B0D
Location:&24
ChangeWord:&7A697372 &00000B78
Location:&38
ChangeWord:&670D676F &000D676F
Location:&3C
ChangeWord:&A43D2573 &00000CDB
Location:&60
ChangeWord:&84000012 &84030012
Location:&214
ChangeWord:&2030352E &2032362E
Location:&218
ChangeWord:&2D363228 &2D303228
Location:&21C
ChangeWord:&2D727041 &2D6E614A
Location:&220
ChangeWord:&0D293139 &0D293439
OPatches/Acorn/DTP,fc3 deleted 100644 → 0
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# Patch to allow Acorn DTP to accept RISC OS 3 Draw files.
# The code modified is the default: statement which handles unknown
# draw file objects.
Application:!DTP &2000
Description:Acorn DeskTop Publisher
Patch:Allows Acorn DTP to read RISC OS 3 Draw files
File:!DTP.!RunImage &FF8
Transform:Squeeze
Location:&48364
ChangeWord:&E3A06004 &EAFFFFF4
OPatches/Acorn/Internet,fc3 deleted 100644 → 0
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# Patch to allow NFS to work in a task window
Application:!Internet &2000
Description:Acorn TCP/IP Protocol Suite
Patch:Allows NFS to work in task windows
File:!Internet.rm.Internet &FFA
Location:&1F518
VerifyWord:&E59EE03C
Location:&1F520
ChangeWord:&E92D4007 &E92D400F
ChangeWord:&E3A00007 &E24DD040
ChangeWord:&E3A01000 &E3A00007
ChangeWord:&E3A02000 &E24F1028
ChangeWord:&E3A03000 &E1A0200D
ChangeWord:&EF020040 &E1A0300D
ChangeWord:&E92D0006 &EF020040
ChangeWord:&E24F1038 &E92D000E
ChangeWord:&E1A02003 &E33FF000
ChangeWord:&E3A03000 &E3A00000
ChangeWord:&EF020040 &E3A01001
ChangeWord:&E31FF0FC &EF020006
ChangeWord:&F1A00000 &EF020016
ChangeWord:&E3A00000 &E3A00007
ChangeWord:&E3A01001 &E8BD000E
ChangeWord:&EF020006 &EF020040
ChangeWord:&EF020016 &E28DD040
ChangeWord:&F1A00000 &E8BD800F
# Note that this second patch uses space freed up by the application of
# the first patch (the new routine in the first patch is shorter). Hence
# the careful use of VerifyWord to make sure everything can only be
# applied/removed in the right order.
Patch:Allows Internet to work with ARM2as and ARM61
File:!Internet.rm.Internet &FFA
Location:&1F560
VerifyWord:&E28DD040
Location:&1F518
ChangeWord:&E59EE03C &EA000012
Location:&1F568
ChangeWord:&E3A00007 &E59EE03C
ChangeWord:&E8BD0006 &E1B0F00E
# Fixes a bug in the first patch, which didn't preserve the flags on return
# which caused a crash when RMKilling the module.
Patch:Fixes RMKill of Internet to not crash
File:!Internet.rm.Internet &FFA
Location:&1F564
ChangeWord:&E8BD800F &E8FD800F
# Patch to allow NFS to work in a task window and with ARM2as and ARM61.
Application:Internet &FFA
Description:Acorn Internet module version 1.03 (AtomWide and Nexus cards)
Patch:Allows NFS to work in task windows and with ARM2as and ARM61
File:Internet &FFA
# Change the version number and date string.
Location:&3E
ChangeString:1.03<32>(26<32>Sep<32>1991) 1.04<32>(25<32>Feb<32>1992)
# First part of the ARM2as patch - puts in a jump to the second half.
Location:&19F6C
ChangeWord:&E59EE03C &EA000012
# TaksWindow patch - fixes the setting of CallBacks.
Location:&19F74
ChangeWord:&E92D4007 &E92D400F
ChangeWord:&E3A00007 &E24DD040
ChangeWord:&E3A01000 &E3A00007
ChangeWord:&E3A02000 &E24F1028
ChangeWord:&E3A03000 &E1A0200D
ChangeWord:&EF020040 &E1A0300D
ChangeWord:&E92D0006 &EF020040
ChangeWord:&E24F1038 &E92D000E
ChangeWord:&E1A02003 &E33FF000
ChangeWord:&E3A03000 &E3A00000
ChangeWord:&EF020040 &E3A01001
ChangeWord:&E31FF0FC &EF020006
ChangeWord:&E1A00000 &EF020016
ChangeWord:&E3A00000 &E3A00007
ChangeWord:&E3A01001 &E8BD000E
ChangeWord:&EF020006 &EF020040
ChangeWord:&EF020016 &E28DD040
ChangeWord:&E1A00000 &E8BD800F
# Second half of the ARM2as patch uses space freed up by the TaskWindow
# patch. By this point the register banks have settled on ARM2as so the
# original code sequence is now OK.
ChangeWord:&E3A00007 &E59EE03C
ChangeWord:&E8BD0006 &E1B0F00E
# Fixes a bug in the first patch, which didn't preserve the flags on return
# which caused a crash when RMKilling the module.
Patch:Fixes RMKill of Internet to not crash
File:Internet &FFA
Location:&3E
ChangeString:1.04<32>(25<32>Feb<32>1992) 1.05<32>(02<32>Mar<32>1992)
Location:&19FB8
ChangeWord:&E8BD800F &E8FD800F
# Patch to prevent NFS overflowing enumerate directories buffers
Application:!NFSFiler &2000
Description:Acorn TCP/IP Protocol Suite
Patch:Prevent NFS overflowing enumerate directories buffers
File:!NFSFiler.rm.NFS &FFA
Location:&9A68
ChangeWord:&E2840003 &E2840003
ChangeWord:&E3500000 &E3C00003
ChangeWord:&D2800003 &E0404004
ChangeWord:&E1A00140 &E0466004
ChangeWord:&E1A04100 &E1A04000
# Change the version number and date string.
Location:&3C
ChangeString:1.01<32>(17<32>Aug<32>1990) 1.02<32>(05<32>Mar<32>1992)
OPatches/Acorn/PCEm,fc3 deleted 100644 → 0
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# Patches for the Acorn PC Emulator version 1.60.
# As shipped, the PC Emulator will not use a hard disk file which has
# a file type of &FC8 and is therefore a DOSFS image, as the object
# type is 3 (Image) not 1 (File). This patch fixes this problem.
# In all three cases the code being changed is:
# 059D0008 : LDREQ R0,[R13,#8]
# 028DD010 : ADDEQ R13,R13,#&10 ; =16
# 13A00000 : MOVNE R0,#0
# 128DD010 : ADDNE R13,R13,#&10 ; =16
# to:
# 13500003 : CMPNE R0,#3
# 13A00000 : MOVNE R0,#0
# 059D0008 : LDREQ R0,[R13,#8]
# 095BA800 : LDMDB R11,{R11,R13,PC}^
Application:!PCEm &2000
Description:Acorn PC Emulator
Patch:Allows !PCEm 1.60 to access DOSDisc hard disk images
File:!PCEm.!RunImage &FF8
Transform:Squeeze
Location:&1B2D0
ChangeWord:&059D0008 &13500003
ChangeWord:&028DD010 &13A00000
ChangeWord:&13A00000 &059D0008
ChangeWord:&128DD010 &E95BA800
Application:!PCEmS &2000
Description:Acorn PC Emulator (small version)
Patch:Allows !PCEmS 1.60 to access DOSDisc hard disk images
File:!PCEmS.!RunImage &FF8
Transform:Squeeze
Location:&1D25C
ChangeWord:&059D0008 &13500003
ChangeWord:&028DD010 &13A00000
ChangeWord:&13A00000 &059D0008
ChangeWord:&128DD010 &E95BA800
File:!PCEmS.!configdb &FF8
Transform:Squeeze
Location:&2CA4
ChangeWord:&059D0008 &13500003
ChangeWord:&028DD010 &13A00000
ChangeWord:&13A00000 &059D0008
ChangeWord:&128DD010 &E95BA800
OPatches/Acorn/RISCiX110,fc3 deleted 100644 → 0
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# Patch to allow RISC iX 1.1 to boot on RISC OS 3.
# The existing code in the boot modules does an OS_Byte 129 to read
# the operating system version number, and refuses to boot if it is not
# one of the versions it knows about. The code concerned is approximately:
# switch (os_version)
# {
# case &A0: /* Arthur 1.20 */
# case &A1: /* RISC OS 2.00 */
# break;
#
# default:
# panic("Unknown machine hardware");
# }
# Since RISC OS 3.00 returns &A3 for the os_version, RISC iX fails to
# boot. (&A2 is returned by RISC OS 2.01, which was only fitted to the
# A540/R260/R225 and anyway the R260 and R225 ship with RISC iX 1.2.)
# This patch modifies the default: statement to allow RISC iX 1.1 to boot
# with any RISC OS version number.
# The machine code changed is:
# ADRNE r0, "Unknown machine hardware"
# BLNE panic
# to:
# BNE continue_booting
# BLNE panic
Application:RISCiXFS &FFA
Description:!RISCiX boot application
Patch:Allows RISC iX 1.10 to boot on RISC OS 3
File:RISCiXFS &FFA
Location:&C398
ChangeWord:&128F0F09 &1A000010
VerifyWord:&1B0010C9
Application:SecureBoot &FFA
Description:RISC iX secure boot module
Patch:Allows RISC iX 1.10 to secure boot on RISC OS 3
File:SecureBoot &FFA
Location:&B644
ChangeWord:&128F0F09 &1A000010
VerifyWord:&1B0010C9
# There may be some other versions of these modules (eg. 1.13 and 1.15?).
# These versions (if they exist) may need different patches. The chances
# are that the code will be the same, but in a different location.
OPatches/Acorn/RISCiX120,fc3 deleted 100644 → 0
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# Patch to allow RISC iX 1.2 to boot on RISC OS 3.
# The existing code in the boot modules does an OS_Byte 129 to read
# the operating system version number, and uses the result to determine
# whether it is on an A540/R260/R225, or a "standard" (A400/R140 etc.)
# machine. This is a totally bogus thing to do, as RISC OS 2.01 will run
# quite happily on a "standard" machine. The code concerned is
# approximately:
# switch (os_version)
# {
# case &A0: /* Arthur 1.20 */
# case &A1: /* RISC OS 2.00 */
# hardware = STANDARD;
# break;
#
# case &A2: /* RISC OS 2.01 */
# hardware = A540;
# break;
#
# default:
# panic("Unknown machine hardware");
# }
# Since RISC OS 3.00 returns &A3 for the os_version, RISC iX fails to
# boot. The actual machine type derived has very little effect anyway,
# even though it is passed to the RISC iX kernel and used. The only effect
# of any consequence is that if it thinks it is on an A540, RISC iX will
# not look for an on board ST506 controller, and device numbers of any
# ST506 podules will be lower as a result. (If there are no podules, then
# the ST506 driver code will be thrown away and the memory it was occupying
# scavenged for other things.) If you tell RISC iX it is on a "standard"
# machine when in fact it is on an A540, it will try to access the on board
# ST506 controller, fail (because there isn't one), report an error and
# continue, with the ST506 podule device numbers being greater than they
# would previously have been. (Even if there are no ST506 podules, the
# memory used by the code will not be scavenged as RISC iX thinks it has a
# controller even though it failed.) All in all, not much of a difference.
# The only other hardware differences between the A540 and "standard"
# machines are the selectable VIDC clocks on the A540 (24 MHz, 25.175 MHz
# and 36 MHz), the extra memory (8, 12 or 16 MB), the ARM3, and the ability
# to disable the reset key on the A540. The VIDC clocks are not a problem
# as RISC iX assumes it has got them, and switches to a 200 Hz frame rate
# special screen mode. It then switches to 36 MHz clock, and if the frame
# rate changes to 300 Hz then it has got switchable VIDC clocks. If the
# frame rate does not change, then it has not got switchable clocks.
# Similarly the memory size is not a problem as the boot module finds out
# directly from the hardware how many memory pages there are in the system,
# and passes that number to the RISC iX kernel when it is started. The ARM3
# is not a problem as the RISC iX kernel tests for the presence of an ARM3
# directly itself. Finally, the reset key disable hardware is not a problem
# as RISC iX does not use it (and neither does anything else).
# So, all in all it really doesn't make much difference. The safest option
# is to tell the RISC iX kernel that it is on a "standard" machine, then
# everything will work. If you know for a fact that you are on an A540,
# then that is the better option as you won't get the warning about a
# faulty on board ST506 controller, and the memory for the ST506 driver
# code will be scavenged (unless of course you have an ST506 podule
# in your A540). Plus it is generally a Good Thing (TM) for the hardware
# you think you are running on to conincide with what you are actually
# running on.
# Two patches are available. They both modify the code in the default:
# statement, thus RISC iX will boot with any RISC OS version number.
# One patch changes the code to tell the RISC iX kernel that it
# is running on a "standard" machine. You should use this patch if you
# are using a "standard" machine or if you are using the same files
# on a mixture of machines over a network. The other patch changes the code
# to tell the RISC iX kernel that it is running on an A540. You should use
# this patch if you are using an A540, or if you are using a "standard"
# machine and you do not access the on board ST506 controller from
# RISC iX.
# In all cases, the machine code changed is:
# ADRNE r0, "Unknown machine hardware"
# BLNE panic
# to:
# BNE code_for_appropriate_hardware
# BLNE panic
Application:SecureBoot &FFA
Description:RISC iX secure boot module
Patch:Let RISC iX 1.20 secure boot on RISC OS 3 (A540/R260 version)
File:SecureBoot &FFA
Location:&B404
ChangeWord:&128F0F08 &1A000011
VerifyWord:&1B000F00
Patch:Let RISC iX 1.20 secure boot on RISC OS 3 (R140/A400 version)
File:SecureBoot &FFA
Location:&B404
ChangeWord:&128F0F08 &1A00000F
VerifyWord:&1B000F00
Application:RISCiXFS &FFA
Description:!RISCiX boot application
Patch:Let RISC iX 1.20 boot on RISC OS 3 (A540/R260 version)
File:RISCiXFS &FFA
Location:&C168
ChangeWord:&128F0F08 &1A000011
VerifyWord:&1B000F00
Patch:Let RISC iX 1.20 boot on RISC OS 3 (R140/A400 version)
File:RISCiXFS &FFA
Location:&C168
ChangeWord:&128F0F08 &1A00000F
VerifyWord:&1B000F00
# Version 1.21 of RISCiXFS has the code in a different place.