Search found 656 matches

by jedie
Mon Oct 14, 2013 1:32 pm
Forum: Discuss This Site
Topic: Wiki "edit help page" doesn't exists...
Replies: 2
Views: 3733

Wiki "edit help page" doesn't exists...

I needed some info about Wiki Syntax. But http://archive.worldofdragon.org/index. ... lp:Editing is just empty... :(

I copy&paste some help pages from http://www.mediawiki.org I hope that's ok?
by jedie
Sun Oct 13, 2013 11:35 am
Forum: Dragon General
Topic: Dragon emulator written in Python ???
Replies: 106
Views: 93854

Re: Dragon emulator written in Python ???

The area $0400-05ff (Default Text screen) doesn't use ASCII. Where can i find a "translation" table for it?

EDIT: Found the answer -> viewtopic.php?f=8&t=4451
by jedie
Sun Oct 13, 2013 11:34 am
Forum: Dragon General
Topic: RAM initial state...
Replies: 5
Views: 2321

Re: RAM initial state...

Does MESS do the same?
by jedie
Sun Oct 13, 2013 11:13 am
Forum: Dragon General
Topic: Dragon emulator written in Python ???
Replies: 106
Views: 93854

Re: Dragon emulator written in Python ???

Thanks for reply!

My fault: The direct addressing mode was wrong. Fixed with: https://github.com/jedie/DragonPy/commi ... 61b18aaff1
by jedie
Sat Oct 12, 2013 8:00 pm
Forum: Dragon General
Topic: RAM initial state...
Replies: 5
Views: 2321

RAM initial state...

From XRoar sourcecode: /* Intialise RAM contents */ static void initialise_ram(void) { int loc = 0, val = 0xff; /* Don't know why, but RAM seems to start in this state: */ while (loc < 0x10000) { machine_ram[loc++] = val; machine_ram[loc++] = val; machine_ram[loc++] = val; machine_ram[loc++] = val; ...
by jedie
Sat Oct 12, 2013 7:07 pm
Forum: Dragon General
Topic: Dragon emulator written in Python ???
Replies: 106
Views: 93854

Re: Dragon emulator written in Python ???

I have a question about the last line from this XRoar trace line, a few trace lines after startup: b39f| 8637 LDA #$37 cc=50 a=37 b=00 dp=00 x=ffe0 y=b39b u=0000 s=03d7 b3a1| b7ff23 STA $ff23 cc=50 a=37 b=00 dp=00 x=ffe0 y=b39b u=0000 s=03d7 b3a4| 9671 LDA <$71 cc=58 a=ff b=00 dp=00 x=ffe0 y=b39b u=...
by jedie
Fri Oct 11, 2013 4:49 pm
Forum: Hints and Tips
Topic: Howto try small machine code programs in BASIC ?
Replies: 53
Views: 26774

Re: Howto try small machine code programs in BASIC ?

I have just been made ​​that way. But above the DATA line: https://github.com/jedie/PyDragon32/blo ... as#L46-L56
by jedie
Fri Oct 11, 2013 4:41 pm
Forum: Hints and Tips
Topic: Howto try small machine code programs in BASIC ?
Replies: 53
Views: 26774

Re: Howto try small machine code programs in BASIC ?

OK, now everything is together for the BASIC CC Register programm -> https://github.com/jedie/PyDragon32/tre ... _Registers

Image

Image
by jedie
Fri Oct 11, 2013 3:40 pm
Forum: Hints and Tips
Topic: Howto try small machine code programs in BASIC ?
Replies: 53
Views: 26774

Re: Howto try small machine code programs in BASIC ?

Oh!!!

It's this:
1030 DATA 1F,A9 ' TFR CC,B
1040 DATA FD,45,00 ' STD $4500 ; STORE A+B
:o

Comments not striped in DATA ??? Boring :x
by jedie
Fri Oct 11, 2013 3:39 pm
Forum: Hints and Tips
Topic: Howto try small machine code programs in BASIC ?
Replies: 53
Views: 26774

Re: Howto try small machine code programs in BASIC ?

Tried this: 1010 DATA B6,50,00 ' LDA $5000 1020 DATA 8B,01 ' ADDA 1 1030 DATA 1F,A9 ' TFR CC,B 1040 DATA F7,50,01 ' STB $5001 1050 DATA B7,50,00 ' STA $5000 1060 DATA 39 ' RTS But gets strange behaviour in XRoar. Now i try to use STD EDIT: It the 1030 DATA 1F,A9 ' TFR CC,B what brings XRoar into tr...