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Try making fresh cassette copies of the games using Duplicas v5 (Available from the archive downloads) on your real Dragon.

(1) Do you have a real Dragon 32 or 64?

(2) If so, do they load OK on your real Dragon?

I have a 64K CoCo with Motorola 8043665 RAM chips fitted. Does anyone know what the access time is for these chips?

Thanks, Phill!

This involves two circuits, one is a 27256 (or bigger) that replaces IC18, and has the normal Dragon rom in the lower 16K and a slightly modified** CoCo 2 rom in the upper 16K , A14 is connected to a switch so that you can select between them. (1) Is there any particular reason for putting the Drag...

See my post in the Hints and Tips section. Hello, I have finally opened one Dragon64 and changed the CPU for a HD63C09EP. It worked alright and doesn't get hot at all! I have made a little BASIC test program to compare with four different machines: 10 A=TIMER: FOR I=1 TO 50000:NEXT: PRINT TIMER - A ...

The following program is a PLAY command patch and 63x09 native mode enable for Dragon 64, 32 mode . The program works by copying ROM to RAM (64K mode), patching the PLAY command ($AFF0), and enabling 63x09 native mode. Lines 110 to 130 will patch any version of DragonDOS, SuperDOS, or DosPlus. 10 '6...

prime wrote: Though doesn't the 6309 start in 6809 emulation mode until you switch it into it's native mode with the extra regs etc ?

Yes.

I have received HD63C09EP and HD63B09EP, hope they could be used instead of our MC6809 They are correct. I have been searching for places where BASIC and DOS do have a RTI code (&H3B), these are the ones that a BASIC program has detected: 9D42 rti - Interrupt from PIO 0 CB1 (9D3D - 9D50) AFF5 rti -...

Hello, I'm sure you heard about the problems with packs coming from China to Europe. Mine has arrived on wednessday, 7th Now I have 2 HD63B09 and 2 HD63C09 I hope they are HD63x09 E 's! ;) By the way, after reading some info about HD6309 it seems that the two extra 8 bit registers that go to the st...