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BUG-65 APPEND PROGRAM ON MAC-6... 1.6 kB 1 28-Jan-2015 21:07 Roland B. Wassenberg BUG-65 APPEND PROGRAM ON MAC-65
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BUG-65 Manual 1.pdf 99.8 kB 1 28-Jan-2015 21:06 Roland B. Wassenberg BUG-65 Manual 1
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BUG-65 Manual 2.pdf 280.2 kB 1 28-Jan-2015 21:06 Roland B. Wassenberg BUG-65 Manual 2
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BUG-65 Manual 3.pdf 211.1 kB 1 28-Jan-2015 21:06 Roland B. Wassenberg BUG-65 Manual 3
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BUG-65 Manual 4.pdf 232.9 kB 1 28-Jan-2015 21:06 Roland B. Wassenberg BUG-65 Manual 4
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BUG-65 Manual 5.pdf 986.3 kB 1 28-Jan-2015 21:06 Roland B. Wassenberg BUG-65 Manual 5
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BUG-65 User Command Handler Ex... 2.5 kB 1 09-Feb-2015 11:23 Roland B. Wassenberg BUG-65 User Command Handler Example 1
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BUG-65 User Command Handler Ex... 2.1 kB 1 09-Feb-2015 11:23 Roland B. Wassenberg BUG-65 User Command Handler Example 2
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BUG-65 Version 2.0 manual-fina... 2,653.3 kB 1 09-Feb-2015 11:22 Roland B. Wassenberg BUG-65 Version 2.0 manual-final with errorpage
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Bug-65 Disassembly.txt 149.1 kB 1 13-Feb-2015 01:20 Roland B. Wassenberg Bug-65 Disassembly
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Bug-65 Manual Rev. 1.0 (1982)(... 1,288.8 kB 1 26-Apr-2020 13:41 Roland B. Wassenberg Bug-65 Manual Rev. 1.0 (1982)(OSS Software)(US)-with table of contents-Original-
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Bug-65 Manual Rev. 1.1 (1982)(... 23,638.3 kB 1 26-Apr-2020 13:42 Roland B. Wassenberg Bug-65 Manual Rev. 1.1 (1982)(OSS Software)(US)-re-edit with OCR.pdf
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Bug-65.jpg 45.2 kB 1 28-Jan-2015 21:08 Roland B. Wassenberg BUG-65 picture
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Command Summary 2.jpg 130.4 kB 1 12-Feb-2015 15:22 Roland B. Wassenberg Command Summary 2
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Command Summary.jpg 228.3 kB 1 12-Feb-2015 15:25 Roland B. Wassenberg Command Summary
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MAC-65 2.00 and 4.20 with Bug-... 92.2 kB 2 09-Feb-2015 11:22 Roland B. Wassenberg MAC-65 2.00 and 4.20 with Bug-65 2.0 and DOS XL 2.30
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MAC-65_2.00_and_4.20_with_Bug-... 92.2 kB 1 15-Feb-2015 16:33 Roland B. Wassenberg MAC-65_2.00_and_4.20_with_Bug-65_2.0_normal_and_V4_ready_and_DOS_XL_2.30
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OSS Bug-65 with OSS DOS XL 2.3... 92.2 kB 1 12-Feb-2015 15:17 Roland B. Wassenberg OSS Bug-65 with OSS DOS XL 2.30p 2000-9000 and 3000 Color
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OSS Bug-65 with OSS DOS XL 2.3... 92.2 kB 1 12-Feb-2015 15:16 Roland B. Wassenberg OSS Bug-65 with OSS DOS XL 2.30p 2000-9A00
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OSS_BUG_65_2.0.cas 11.4 kB 1 16-Feb-2015 02:20 Roland B. Wassenberg OSS_BUG_65_2.0.CAS
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bug65.zip 140.7 kB 1 16-Feb-2015 20:50 Roland B. Wassenberg BUG/65 manual - html-version

This page (revision-26) was last changed on 26-Apr-2020 13:50 by Roland B. Wassenberg  

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At line 159 added 19 lines
! BUG/65 patch from OSS Newsletter October 1984:
When BUG gets control as the result of a BRK instruction being executed, it actually checks to see it the BRK instruction is one which it placed (as a result of a "G" command). If not, it assumes that it is a user breakpoint, to be handled by a user routine! Guess what? Most of us don't go around adding user BRK handlers to Atari’s OS, so the machine goes off into never-never-land.\\
\\
Quick hix (again, not hor the faint of heart): After loading BUG/65 from CP, perform the following actions:\\
\\
1. Display the contents of location $2E7 (LOMEM).\\
2. Use the "H" command to add $17EE to those contents. (Example: if $2E7 contains 2200, use "H 2200 17EE” to find the sum.) Call this value ADDSUM.\\
3. Display the memory at ADDSUM (via the "D" command. You should see the following bytes (if not, stop now): 39EE E9 02 4D . . . ("39EE" is arbitrary-value of ADDSUM if LOMEM is at $2200.)\\
4. Use BUG/65 commands as follows:\\
\\
Z 600\\
LDA #B0\\
STA addsum (use actual address instead of name!)\\
LDA #1E\\
STA addsum+1 (again, use an actual address)\\
BRK (hit the BREAK key to exit miniassembler)\\
G 600\\
\\
If you did everything correctly, BUG/65 should allow a "USER RUN" and then print a breakpoint message for the BRK at $60A. If it didn’t work, you may have an already-fixed version of BUG/65, so ignore all this.\\
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