65C02 Disassembler

[42bs]

Hi

just to share it:

https://github.com/42Bastian/6502/tree/master/d6502

 

It is a command line disassembler (nothing more) which I did enhance for the Lynx. Just for a quick "check" of code.

[Songbird]

Nice! But I'm getting a malware virus detection when I download the *.exe and try to run it. Says "HEUR/APC (Cloud)" was blocked.

[sage]

hmmm... i have to check the license for the one i am using ... not sure if i am allowed to pulish my changes...

[42bs]

43 minutes ago, Songbird said:

Nice! But I'm getting a malware virus detection when I download the *.exe and try to run it. Says "HEUR/APC (Cloud)" was blocked.

This is a false warning. The exe is UPX packed.

 

Edit: Downloaded it and let Windows Defender check it. No Problem.

Edited April 20, 2020 by 42bs

[Songbird]

OK, cool, told my virus scanner to ignore and now it works. Thanks for posting this!

 

I'm seeing some stray characters as shown below with certain op codes followed by a digit (STA5, STZ6, and STA7). Is this an artifact of the source program?

0814   8D 5F 2F   STA5 $2F5F
0817   8D 8B FD   STA $FD8B
081A   8D 60 2F   STA $2F60
081D   8D 8A FD   STA $FD8A
0820   A9 04      LDA #$04
0822   8D 8C FD   STA $FD8C
0825   9C 67 2F   STZ6 $2F67
0828   9C 68 2F   STZ $2F68
082B   A9 3E      LDA #$3E
082D   8D FE FF   STA $FFFE
0830   A9 2F      LDA #$2F
0832   8D FF FF   STA7 $FFFF

 

[42bs]

1 hour ago, Songbird said:

OK, cool, told my virus scanner to ignore and now it works. Thanks for posting this!

 

I'm seeing some stray characters as shown below with certain op codes followed by a digit (STA5, STZ6, and STA7). Is this an artifact of the source program?

0814   8D 5F 2F   STA5 $2F5F
0817   8D 8B FD   STA $FD8B
081A   8D 60 2F   STA $2F60
081D   8D 8A FD   STA $FD8A
0820   A9 04      LDA #$04
0822   8D 8C FD   STA $FD8C
0825   9C 67 2F   STZ6 $2F67
0828   9C 68 2F   STZ $2F68
082B   A9 3E      LDA #$3E
082D   8D FE FF   STA $FFFE
0830   A9 2F      LDA #$2F
0832   8D FF FF   STA7 $FFFF

 

It is a decoding error. It is because of the bit branch opcodes.

[42bs]

10 hours ago, Songbird said:

OK, cool, told my virus scanner to ignore and now it works. Thanks for posting this!

 

I'm seeing some stray characters as shown below with certain op codes followed by a digit (STA5, STZ6, and STA7). Is this an artifact of the source program?

0814   8D 5F 2F   STA5 $2F5F
0817   8D 8B FD   STA $FD8B
081A   8D 60 2F   STA $2F60
081D   8D 8A FD   STA $FD8A
0820   A9 04      LDA #$04
0822   8D 8C FD   STA $FD8C
0825   9C 67 2F   STZ6 $2F67
0828   9C 68 2F   STZ $2F68
082B   A9 3E      LDA #$3E
082D   8D FE FF   STA $FFFE
0830   A9 2F      LDA #$2F
0832   8D FF FF   STA7 $FFFF

 

Fixed.

[Songbird]

Downloaded the new version, and it works great! It's already helping me on Quadromania, where I have often been disassembling certain instructions by hand since generic 6502 disassemblers don't handle the unique op codes. Thanks, @42bs!