Search found 2803 matches

by duikkie
Sat Apr 14, 2018 7:03 am
Forum: hardware
Topic: Acorn Electron modern storage solutions question
Replies: 26
Views: 890

Re: Acorn Electron modern storage solutions question

the one and only project on electron with ch375b is totally forgotten :) :?: #-o 1 smart-spi rom for electron , 1 e(eprom) , 1 ch375b module , 1 chip and so it is something made in holland :wink: , maybe thats why 8) people on this forum can find the link , i am tottaly hopeless in finding things
by duikkie
Fri Apr 13, 2018 10:19 am
Forum: hardware
Topic: Tv display top line problem
Replies: 12
Views: 333

Re: Tv display top line problem

you can tune your tv on the back ?
by duikkie
Mon Apr 02, 2018 9:21 am
Forum: introduce yourself
Topic: number-one from France
Replies: 10
Views: 293

Re: number-one from France

a frenchman who can write / read english that can only be number one :shock: :lol:
by duikkie
Mon Apr 02, 2018 6:50 am
Forum: hardware
Topic: BBC Micro MMC Card adapter - compatible cards
Replies: 20
Views: 540

Re: BBC Micro MMC Card adapter - compatible cards

6502 code is an efficient use of memory with P%= you can point out where the program must be. the basic program to use assembly is i think 4 lines. be you have to modulate your program. [ .start jsr setupthing jsr calculatething jsr printthingonscreen rts .setupthing ....... rts ] use exmon not exmo...
by duikkie
Sun Apr 01, 2018 2:09 pm
Forum: hardware
Topic: BBC Micro MMC Card adapter - compatible cards
Replies: 20
Views: 540

Re: BBC Micro MMC Card adapter - compatible cards

assemble language ? to make or look ? use exmon or exmon2 to understand it :) to make use in basic [ and you are in :) look in de user manual or the advanded one :) Thanks very much for the memory map image and explanation. I have been bashing away at a handful of BASIC programs in the User Guide to...
by duikkie
Sat Mar 31, 2018 3:53 pm
Forum: hardware
Topic: TurboMMC removing a software diskimage
Replies: 26
Views: 579

Re: TurboMMC removing a software diskimage

if the userport for a mouse use pb0 and pb1 then allso turbo mmc card and it's rom will not work. the only rom that can handle other lines then pb0 and pb1 is SMART-SPI :) Also, I think the Turbo MMC card is the only one that will work with the BBC Master 128 Econet port : User Port adapter that wor...
by duikkie
Sat Mar 31, 2018 10:02 am
Forum: hardware
Topic: BBC Micro MMC Card adapter - compatible cards
Replies: 20
Views: 540

Re: BBC Micro MMC Card adapter - compatible cards

a document nobody wants to read :)

http://users.ece.utexas.edu/~valvano/EE ... r_Spec.pdf

but that is how and why some cards work :)

chapter 7 :

page 104 is how all startup card begin asking and answer.

mmc card are version 1,

mmc rom has only software for version 1 dectection
by duikkie
Sat Mar 31, 2018 9:02 am
Forum: hardware
Topic: TurboMMC removing a software diskimage
Replies: 26
Views: 579

Re: TurboMMC removing a software diskimage

the problem with the turbo mmc rom and older is , the modern sd card and the dos file beeb.mmb finding. not all sd cards will work . so we have updated the system . so all sd card with SPI work and where ever beeb.mmb is on your sd card. but mmc cards with turbo mmc works fine , but can you still fi...
by duikkie
Fri Mar 30, 2018 9:14 am
Forum: upcoming and recent events & exhibitions
Topic: Big Ben Club annual club day
Replies: 5
Views: 411

Re: Big Ben Club annual club day

oke maybe then .....

DutchAcorn wrote:Yes, it’s an 8 minute walk from the Koog aan de Zaan railway station.
by duikkie
Fri Mar 30, 2018 8:57 am
Forum: hardware
Topic: TurboMMC removing a software diskimage
Replies: 26
Views: 579

Re: TurboMMC removing a software diskimage

that i do not understand :) very difficult for me :)

danielj wrote:What is easy and simple for one, is not necessarily so for another! :)

d.
by duikkie
Fri Mar 30, 2018 8:54 am
Forum: upcoming and recent events & exhibitions
Topic: Big Ben Club annual club day
Replies: 5
Views: 411

Re: Big Ben Club annual club day

waar ligt dat nu weer ? :D , trainstation around ?
by duikkie
Fri Mar 30, 2018 8:51 am
Forum: hardware
Topic: TurboMMC removing a software diskimage
Replies: 26
Views: 579

Re: TurboMMC removing a software diskimage

but but but it is so easy and simple :evil:


richardtoohey wrote:I'm quite happy with my TurboMMCs.

There are cheaper and possibly better and perhaps both cheaper and better options, but I've had no trouble.

Building my own has just led to ](*,) :-x :( :-({|=

YMMV.
by duikkie
Fri Mar 30, 2018 7:35 am
Forum: hardware
Topic: TurboMMC removing a software diskimage
Replies: 26
Views: 579

Re: TurboMMC removing a software diskimage

how is that possible "excellent turboMMC " :shock: :D , but forgive us here [-o< , turbommc is OLD. but on the other side i think the command's for removing a *din is also there. so if you can read more about the hole MMC system and what on this forum is written about it , the cheap MMC th...
by duikkie
Thu Mar 29, 2018 6:28 am
Forum: hardware
Topic: Video fault
Replies: 22
Views: 394

Re: Video fault

if you have a scoop you can check the levels of sync ,red,green and blue. i think it is a combination , with old and new things, perhaps the level of sync or red/green/bleu is shifting / floiting ? and some display units are not that tolerant are the old monitors :) Hi, I'd be interested to find out...
by duikkie
Wed Mar 28, 2018 6:20 pm
Forum: hardware
Topic: TurboMMC removing a software diskimage
Replies: 26
Views: 579

Re: TurboMMC removing a software diskimage

oke now we have only to worry about why people don't read the manual #-o , allthough we know that the mind products are simple and easy to use , lol ( o i hate that line :lol: ) why don't they not read the manual ? even by turbommc is a manual , allso by SMART-SPI , i don't know about the MM softwar...
by duikkie
Wed Mar 28, 2018 5:28 pm
Forum: hardware
Topic: TurboMMC removing a software diskimage
Replies: 26
Views: 579

Re: TurboMMC removing a software diskimage

why don't they not read the manual ? even by turbommc is a manual , allso by SMART-SPI , i don't know about the MM software rom ?
by duikkie
Sun Mar 25, 2018 1:48 pm
Forum: software: other
Topic: Forbidden characters in filenames
Replies: 6
Views: 254

Re: Forbidden characters in filenames

don't forget that colour char are not allowed (&80) and char like 0 to &40 ? &7f and so on

you can used them if you load or save a file with a osword call :)
by duikkie
Sun Mar 25, 2018 1:02 pm
Forum: software: other
Topic: Format floppy with MMC
Replies: 16
Views: 437

Re: Format floppy with MMC

no no no the format program on the welcome disc , don't check for real discdrive :( ? i did have ones have the same problem. it formats the mmc disc it think din0 or so use an other format like in roms ( which dfs ? ) maybe discdup program ? simple pull out the mmc rom ( why do they sell it anywhy i...
by duikkie
Sat Mar 24, 2018 6:03 pm
Forum: software: other
Topic: Format floppy with MMC
Replies: 16
Views: 437

Re: Format floppy with MMC

keep it simple :) , first what SWR sideway ram / board are use using ? second DUMP the MMC rom !!!! if you use a sideway ram which is using the userport for selection you must use SMART-SPI and use the pb's line other then 1 and 2. desolder and solder 5,6 ? this works only with SMART-SPI :) the othe...
by duikkie
Wed Feb 28, 2018 2:55 pm
Forum: hardware
Topic: BBC Model B doesn't Accept commands
Replies: 13
Views: 412

Re: BBC Model B doesn't Accept commands

keyboard flatcable keyboard 6522 Hi All, I appear to have buggered my BEEB :oops: - I was swapping ROMs around in their sockets. When I powered up, I had all sorts of strange messages and characters. After much messing about, I've removed all my expansions and sideways ROMs and put the BEEB back to ...
by duikkie
Tue Feb 20, 2018 12:02 pm
Forum: software: other
Topic: Hacking the school Econet
Replies: 15
Views: 759

Re: Hacking the school Econet

why am i so bad in finding :) somewhere on this forum i uploaded a program was it nice programs , i don't know anymore but i wrote a program to get all usernames and passwords from econet. Here? http://www.stardot.org.uk/forums/viewtopic.php?p=90175#p90175 10 MODE7 20 PROCinit 30 PROCtrack 40 PROCso...
by duikkie
Tue Feb 20, 2018 11:17 am
Forum: software: other
Topic: Hacking the school Econet
Replies: 15
Views: 759

Re: Hacking the school Econet

somewhere on this forum i uploaded a program was it nice programs , i don't know anymore but i wrote a program to get all usernames and passwords from econet. as allways with my programs most of them are not finisched :) what i rember that all usernames and passwords where on floppy with second proc...
by duikkie
Tue Feb 06, 2018 6:58 pm
Forum: off-topic
Topic: TODAY i am looking for
Replies: 20
Views: 1069

Re: TODAY i am looking for

coils with value 2700 uH and look like a big resistor 1/2 or 1 watt ( silver,red,purple,red,gold) see other item :D

the other one is 560 uH ( to buy in china :) )
by duikkie
Tue Feb 06, 2018 10:03 am
Forum: off-topic
Topic: help by explaining schematic
Replies: 25
Views: 993

Re: help by explaining schematic

we have a winner :) the piezo amp in drawing is a H- bridge ( no amplifier ) t1=a pnp , t2=npn , t3=npn and t4 (inside ne555) = npn further is t3 a little strange because C is on vcc , niet standaard H-BRIGDE so if d2 is a zener what value ?? 14.7 ?? or to much ? it was a puzzel . but now i can buil...
by duikkie
Sun Feb 04, 2018 5:54 pm
Forum: general
Topic: very cheap pcb spacers
Replies: 6
Views: 304

Re: very cheap pcb spacers

everybody in holland has about 1000 http://www.ikea.com pencils around . every sunday looking by ikea eat about 1 euro too :D picture tell all about the dutch :) 4 i think 1/2 watt resistors standing up in veroboard not connected to uppper board (pi zero) Nice... =D> And more Dutch solutions... :D I...
by duikkie
Sun Feb 04, 2018 4:13 pm
Forum: general
Topic: very cheap pcb spacers
Replies: 6
Views: 304

Re: very cheap pcb spacers

(still) out of the box thinking #-o

the resistor must be 29M ohm 5% (red,white,blue,gold ) :shock: #-o
by duikkie
Sun Feb 04, 2018 2:45 pm
Forum: general
Topic: very cheap pcb spacers
Replies: 6
Views: 304

very cheap pcb spacers

picture tell all about the dutch :)

4 i think 1/2 watt resistors standing up in veroboard not connected to uppper board (pi zero)
by duikkie
Sun Feb 04, 2018 1:12 pm
Forum: off-topic
Topic: help by explaining schematic
Replies: 25
Views: 993

Re: help by explaining schematic

if i read well even a A type transistor can handle above 45 khz. so if h-thing is the amplier and t2 must be NPN , the question is still what t3 must be normal you have two pnp and two npn, but because disch is a NPN + invertor looks like PNP ?? then t3 must also be NPN ? i think i have seen that on...
by duikkie
Sun Feb 04, 2018 10:30 am
Forum: off-topic
Topic: help by explaining schematic
Replies: 25
Views: 993

Re: help by explaining schematic

not get it yet ?

an other ne555 block but png file ?? https://www.electrical4u.com/555-timer- ... s-working/