RISC OS Open: Forum: Zeropain and TextGadget

Mar 24, 2016 4:15pm

Module is: TextGadgets 0.40 (28 Nov 2015)
A click on an empty TextGadget ScrollList generates a Zero Page exception.
I have a zip file with appropriate logs and code to recreate the problem.

Unfortunately the bug list is not working so I cannot report the problem.
“This website is under heavy load
We’re sorry, too many people are accessing this website at the same time.
We’re working on this problem. Please try again later.”

Mar 24, 2016 4:50pm

Steve Pampling (1551) 8172 posts

Please try again later

Somewhere round 2017 perhaps?

Mar 24, 2016 5:07pm

David Pitt (102) 743 posts

A click on an empty TextGadget ScrollList generates a Zero Page exception.

+1 then. From a Raspberry Pi Mk3.

*fx0
RISC OS 5.23 (23 Mar 2016)
*Help TextGadgets
==> Help on keyword TextGadgets
Module is: TextGadgets     0.40 (28 Nov 2015)
*

Time: Thu Mar 24 16:56:36 2016
Location: Offset 00003f28 in module TextGadgets
Current Wimp task: PaneTest
Last app to start: BASIC -quit @0000BC9C,0000EFDC

R0  = 00000001 R1  = 00000000 R2  = 00000400 R3  = 00000010
R4  = 418a2c34 R5  = 0000c2e8 R6  = 20165844 R7  = 00000001
R8  = ffffffff R9  = 0002002e R10 = fa20021c R11 = fa207e14
R12 = 00000006 R13 = fa207dd4 R14 = fc45a0e4 R15 = fc45a12c
DFAR = 0000001c  Mode SVC32  Flags nzCv if   PSR = 20000113

fc45a0e4 : e5952008 : LDR     R2,[R5,#8]
fc45a0e8 : e1a07000 : MOV     R7,R0
fc45a0ec : e3520c01 : CMP     R2,#&0100          ; =256
fc45a0f0 : ba000013 : BLT     &FC45A144
fc45a0f4 : e1a03fc2 : MOV     R3,R2,ASR #31
fc45a0f8 : e0821c23 : ADD     R1,R2,R3,LSR #24
fc45a0fc : e1a01441 : MOV     R1,R1,ASR #8
fc45a100 : e3110001 : TST     R1,#1
fc45a104 : 11a02007 : MOVNE   R2,R7
fc45a108 : 11a00004 : MOVNE   R0,R4
fc45a10c : 13a03002 : MOVNE   R3,#2
fc45a110 : 1a000009 : BNE     &FC45A13C
fc45a114 : e3110004 : TST     R1,#4
fc45a118 : 0a000009 : BEQ     &FC45A144
fc45a11c : e594102c : LDR     R1,[R4,#44]
fc45a120 : e0813207 : ADD     R3,R1,R7,LSL #4
fc45a124 * e5b3000c * LDR     R0,[R3,#12]!
fc45a128 : e3100102 : TST     R0,#&80000000
fc45a12c : 1a000004 : BNE     &FC45A144
fc45a130 : e1a02007 : MOV     R2,R7
fc45a134 : e1a00004 : MOV     R0,R4
fc45a138 : e3a03003 : MOV     R3,#3
fc45a13c : e3a01000 : MOV     R1,#0
fc45a140 : ebfffccb : BL      &FC459474
fc45a144 : e5941030 : LDR     R1,[R4,#48]
fc45a148 : e1510007 : CMP     R1,R7
fc45a14c : 9affffcd : BLS     &FC45A088
fc45a150 : e5b52008 : LDR     R2,[R5,#8]!
fc45a154 : e3a00000 : MOV     R0,#0
fc45a158 : e3520010 : CMP     R2,#&10            ; =16
fc45a15c : e1a02b82 : MOV     R2,R2,LSL #23
fc45a160 : b3a00002 : MOVLT   R0,#2

--------------------------------------------------------------------------------

Mar 25, 2016 3:47pm

John Rickman (71) 646 posts

Sprow has produced a version of TextGadgets that does not have ZP issues with empty Scrollist clicks.

I can confirm that his version of the module works with my program.

Zeropain and TextGadget

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Mar 24, 2016 4:15pm John Rickman (71) 646 posts	Module is: TextGadgets 0.40 (28 Nov 2015) A click on an empty TextGadget ScrollList generates a Zero Page exception. I have a zip file with appropriate logs and code to recreate the problem. Unfortunately the bug list is not working so I cannot report the problem. “This website is under heavy load We’re sorry, too many people are accessing this website at the same time. We’re working on this problem. Please try again later.”

Mar 24, 2016 4:50pm Steve Pampling (1551) 8172 posts	Please try again later Somewhere round 2017 perhaps?

Mar 24, 2016 5:07pm David Pitt (102) 743 posts	A click on an empty TextGadget ScrollList generates a Zero Page exception. +1 then. From a Raspberry Pi Mk3. fx0 RISC OS 5.23 (23 Mar 2016) Help TextGadgets ==> Help on keyword TextGadgets Module is: TextGadgets 0.40 (28 Nov 2015) * Time: Thu Mar 24 16:56:36 2016 Location: Offset 00003f28 in module TextGadgets Current Wimp task: PaneTest Last app to start: BASIC -quit @0000BC9C,0000EFDC R0 = 00000001 R1 = 00000000 R2 = 00000400 R3 = 00000010 R4 = 418a2c34 R5 = 0000c2e8 R6 = 20165844 R7 = 00000001 R8 = ffffffff R9 = 0002002e R10 = fa20021c R11 = fa207e14 R12 = 00000006 R13 = fa207dd4 R14 = fc45a0e4 R15 = fc45a12c DFAR = 0000001c Mode SVC32 Flags nzCv if PSR = 20000113 fc45a0e4 : e5952008 : LDR R2,[R5,#8] fc45a0e8 : e1a07000 : MOV R7,R0 fc45a0ec : e3520c01 : CMP R2,#&0100 ; =256 fc45a0f0 : ba000013 : BLT &FC45A144 fc45a0f4 : e1a03fc2 : MOV R3,R2,ASR #31 fc45a0f8 : e0821c23 : ADD R1,R2,R3,LSR #24 fc45a0fc : e1a01441 : MOV R1,R1,ASR #8 fc45a100 : e3110001 : TST R1,#1 fc45a104 : 11a02007 : MOVNE R2,R7 fc45a108 : 11a00004 : MOVNE R0,R4 fc45a10c : 13a03002 : MOVNE R3,#2 fc45a110 : 1a000009 : BNE &FC45A13C fc45a114 : e3110004 : TST R1,#4 fc45a118 : 0a000009 : BEQ &FC45A144 fc45a11c : e594102c : LDR R1,[R4,#44] fc45a120 : e0813207 : ADD R3,R1,R7,LSL #4 fc45a124 * e5b3000c * LDR R0,[R3,#12]! fc45a128 : e3100102 : TST R0,#&80000000 fc45a12c : 1a000004 : BNE &FC45A144 fc45a130 : e1a02007 : MOV R2,R7 fc45a134 : e1a00004 : MOV R0,R4 fc45a138 : e3a03003 : MOV R3,#3 fc45a13c : e3a01000 : MOV R1,#0 fc45a140 : ebfffccb : BL &FC459474 fc45a144 : e5941030 : LDR R1,[R4,#48] fc45a148 : e1510007 : CMP R1,R7 fc45a14c : 9affffcd : BLS &FC45A088 fc45a150 : e5b52008 : LDR R2,[R5,#8]! fc45a154 : e3a00000 : MOV R0,#0 fc45a158 : e3520010 : CMP R2,#&10 ; =16 fc45a15c : e1a02b82 : MOV R2,R2,LSL #23 fc45a160 : b3a00002 : MOVLT R0,#2 --------------------------------------------------------------------------------

Mar 25, 2016 3:47pm John Rickman (71) 646 posts	Sprow has produced a version of TextGadgets that does not have ZP issues with empty Scrollist clicks. I can confirm that his version of the module works with my program.