Search found 1940 matches

by XavSnap
Sat May 21, 2022 8:58 pm
Forum: Emulators
Topic: [Vb81] Test release.
Replies: 72
Views: 66616

Re: [Vb81] Test release.

:twisted:
PRINTAT.JPG

Four ROM tags/jumps affected by the patch...

We had to change the ROM dump to preserve the Basic ROM bios...

[EDIT] Checked, and seem ok... May be a bug in the CIF ROM...
by XavSnap
Sat May 21, 2022 8:46 pm
Forum: Emulators
Topic: [Vb81] Test release.
Replies: 72
Views: 66616

Re: [Vb81] Test release.

Hi Greg, The Memotech patch the Basic ROM from 2166 to 2295. 128 bytes rerouted to the ROM placed at 10624. The "Patch" on the printer UI picture. The IF ROM rewrite the piece of BIOS, and the "PRINT AT", cursor location seems to be affected by this "patch" I had to disassemble this part of ROM to t...
by XavSnap
Fri May 20, 2022 9:51 pm
Forum: Development
Topic: ZX Printer Belt
Replies: 139
Views: 86063

Re: ZX Printer Belt

Hi Jojo, One of the printing needles seem to be dead... Only one needle is link to the high voltage metal belt located inside the plastic cover box! The ZxPrinter test if the needle is present to adjust the zero start point to align the first dot. In case of an unused needle, the motor steel to run,...
by XavSnap
Fri May 20, 2022 2:51 pm
Forum: Emulators
Topic: [Vb81] Test release.
Replies: 72
Views: 66616

Re: [Vb81] Test release.

New "Tiny Tasm" feature in the release 19-05-22. [Main project updated] Have fun... VBtasm2.JPG Can be Auto-Compil in a Basic Text file... 1 REM [ASM : \ ;------- TASM ASM mnemonics. -------|\ ; Compile this file using:|\ ; Set TASMOPTS = -b|\ ; tasm -80 ThisCode.tas MyBinary.BIN|\ ;---------------...
by XavSnap
Fri May 20, 2022 1:22 am
Forum: Hardware
Topic: Logitek 8240.56.1 Expansion Board for ZX81?
Replies: 7
Views: 1578

Re: Logitek 8240.56.1 Expansion Board for ZX81?

HI,

May be an English/US Kit, like Maplin... (Ci mounted on supports)

But, the red points "<>" on the PCB seem to be a Home-made PCB building.

"8240.56.1" =? Year:82 Week:40 #56 release:1

Ever seen "SYSTEME" for US computers.
by XavSnap
Tue May 17, 2022 2:01 am
Forum: Emulators
Topic: [Vb81] Test release.
Replies: 72
Views: 66616

Re: [Vb81] Test release.

ZxPrinter bugg introduced in the last release... :twisted:

The executable file only, to extract in the Vb81 directory (replace the old one):

[Main project updated]


Have fun...
by XavSnap
Tue May 17, 2022 1:15 am
Forum: Emulators
Topic: [Vb81] Test release.
Replies: 72
Views: 66616

Re: [Vb81] Test release.

Hi Greg, I will have a look to the Zxprinter bugg... But, to get an ASCII input on the printer, you had to choose the Memotech IF printer (or the AGB Centronics printer card). Just select the printer, perform a reset to install the rom and open the Printer window. You will be able to write the print...
by XavSnap
Sun May 15, 2022 2:25 am
Forum: SALES
Topic: Still a color module for ZX81 om eBay
Replies: 5
Views: 18825

Re: Still a color module for ZX81 om eBay

P1.jpg
p2.jpg
Note:
No LET Command.
A comma after the PRINT AT
Border & ink on the new ROM release.
No "Enjoy yourself !" using the new ROM : :o
Colour.pdf
(91.4 KiB) Downloaded 124 times
by XavSnap
Fri May 13, 2022 8:19 pm
Forum: ZX BASIC
Topic: [Tuto ASM-BASIC] My text in 6 bits.
Replies: 4
Views: 2191

Re: [Tuto ASM-BASIC] My text in 6 bits.

Hi Johan,
It's clever, i will able to do a relative jump on this SUB function now !
Thanks.
by XavSnap
Thu May 12, 2022 10:37 pm
Forum: ZX BASIC
Topic: [Tuto ASM-BASIC] My text in 6 bits.
Replies: 4
Views: 2191

Re: [Tuto ASM-BASIC] My text in 6 bits.

Thanks Dr Beep ! In your code : sub 192 jr c,one ?=? sub 192 jp m,one minus value ? ... Another similar machine code routine to compress the screen with testing the bit#6 and count all above characters from Greg... https://www.sinclairzxworld.com/viewtopic.php?f=5&t=1587&p=16388&sid=b912bfe308bef031...