Search found 1474 matches

by zephyr
Thu Oct 03, 2013 10:56 pm
Forum: Hints and Tips
Topic: Howto try small machine code programs in BASIC ?
Replies: 53
Views: 26793

Re: Howto try small machine code programs in BASIC ?

Just tried your test code with Encoder 09 and it works perfectly (as I expected). EXEC 4660 OK LIST 10 ORG $5000 20 LDA #$12 30 LDB #$34 40 STA $0600 50 STB $0601 60 LDD $0600 70 JSR 38266 80 RTS 5000 8612 LDA #$12 5002 C634 LDB #$34 5004 B70600 STA $0600 5007 F70601 STB $0601 500A FC0600 LDD $0600 ...
by zephyr
Thu Oct 03, 2013 11:27 am
Forum: Hints and Tips
Topic: Howto try small machine code programs in BASIC ?
Replies: 53
Views: 26793

Re: Howto try small machine code programs in BASIC ?

jedie wrote:Ok, then we have ALLDREAM, DOSDREAM, Encoder 09 and Dasm... Which is the best for starting?
I suggest you try them all, and use the one that you prefer.
by zephyr
Wed Oct 02, 2013 10:34 pm
Forum: Hints and Tips
Topic: Howto try small machine code programs in BASIC ?
Replies: 53
Views: 26793

Re: Howto try small machine code programs in BASIC ?

I have tried ALLDREAM and ", without success. I get always "FULL" I looked into Dragondata_alldream_manual.pdf and it seems that's very complicated to use, isn't it? There are other assemblers available for the Dragon. Encoder 09 http://archive.worldofdragon.org/phpBB3/viewtopic.php?f=7&t=286 Dasm ...
by zephyr
Mon Sep 30, 2013 11:17 pm
Forum: Dragon General
Topic: Dragon Mythbusters: The Dragon 200E!
Replies: 61
Views: 26383

Re: Dragon Mythbusters: The Dragon 200E!

The @ key is Shifted (Shift+Clear) on thE D200E. How do you pause (Shift+@) a BASIC program listing with this machine?
by zephyr
Mon Sep 30, 2013 9:01 pm
Forum: Dragon General
Topic: Dragon Mythbusters: The Dragon 200E!
Replies: 61
Views: 26383

Re: Dragon Mythbusters: The Dragon 200E!

Thanks! :)
by zephyr
Mon Sep 30, 2013 8:26 pm
Forum: Dragon General
Topic: Dragon Mythbusters: The Dragon 200E!
Replies: 61
Views: 26383

Re: Dragon Mythbusters: The Dragon 200E!

robcfg wrote:If it works right on the machine, I'll redump the rom.
Does 64K mode BASIC work OK on the real D200E?
by zephyr
Mon Sep 30, 2013 4:08 pm
Forum: Dragon General
Topic: Dragon Mythbusters: The Dragon 200E!
Replies: 61
Views: 26383

Re: Dragon Mythbusters: The Dragon 200E!

The 64K mode bootstrap routine ($BF49 - $BFE8) is identical to the Dragon 64.
by zephyr
Mon Sep 30, 2013 3:19 pm
Forum: Dragon General
Topic: Dragon Mythbusters: The Dragon 200E!
Replies: 61
Views: 26383

Re: Dragon Mythbusters: The Dragon 200E!

Here is a list of the differences. Comparing files d64rom2.rom and D200E_ROM2.ROM 00000001: F3 FE 00000002: 9B 06 00000010: FC BC 00000013: FC BC 00000019: FC BC 0000001A: E1 C1 00000022: FC BC 00000180: C5 85 00000182: C4 84 0000018B: A8 28 0000018D: CC 4C 00000192: F9 B9 00000193: 83 03 0000019A: ...
by zephyr
Mon Sep 30, 2013 12:55 pm
Forum: Dragon General
Topic: Dragon Mythbusters: The Dragon 200E!
Replies: 61
Views: 26383

Re: Dragon Mythbusters: The Dragon 200E!

The 64K mode ROM dump seems to be corrupt.
by zephyr
Sat Aug 31, 2013 10:17 pm
Forum: Hints and Tips
Topic: bricked dragon 32...
Replies: 27
Views: 15140

Re: bricked dragon 32...

Its more likely to be the SAM chip at fault.