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Interview Questions. • increase working storage Variable length in cobol

zMainframes about 22 days ago

HiThis was asked in the interview, "If I increase working storage Variable length in cobol, What need to change in jcl".My answer was there should not be any change. Interviewer said, "Think again". But didn't really told me the answer. What's your answer …

Display Devices • Best Settings for NEC XM-29 plus via RGB

MISTerFPGA about 3 months ago

I have a feeling I'm not taking advantage of this great monitor for my Mister FPGA. I have the mister hooked up with a VGA -> RGB cable in the back of the monitor. This monitor can handle many types of resolutions. Currently, it seems like the monitor …

DEC flip chip modules M051, M207, M452, M453

VCFed about 3 months ago

For pickup near Milwaukee or continental US shipping. From a long ago disassembled piece of field test equipment as far as I can recall. M051 Level converter M207 flip flops M452 variable clock M453 variable clock All are untested. Perhaps chips, diode …

Calculate PI to 1000 decimal places on your vintage computer in BASIC

VCFed about 4 months ago

I saw posts on the Facebook BASIC Programming forum on various programs to calculate PI and decided to port one to Tektronix 4050 BASIC. Tektronix 4050 BASIC was introduced in 1975 with their 4051 vector graphics microcomputer. The 4051 and the second ge …

32-bit acorn hardware • Single stepping the !Boot sequence

Stardot about 5 months ago

Hi,is there a way to single step the boot sequence to find an error, I tried the boot logging but that just told me the same as the error on the screen which is a ‘No such variable’ it comes up after the banner but that is all I can determine so far. …

Display Devices • Direct Video No Picture on CRT VGA Monitor

MISTerFPGA about 5 months ago

I can't get a signal on my CRT monitor (or better, the monitor is getting something because it doesn't display the "no connection" message, but I'm not getting a picture). I'm using an HDMI-VGA converter and my monitor is a standard PC monitor, it can sup …

programming • Assembly wierdness with integer vars - SOLVED

Stardot about 5 months ago

Ok, so I've got stuff going on that I just don't understand at all and was hoping that someone could clear it up.Why do single character persistent integer variables cause strange behaviour?I have a couple of blocks of assembly code stored in 2 different …

programming • Incrementing address location?

Stardot about 6 months ago

Hello.I'm new to the forum, and in fact quite new to assembly language. I had a BBC Model B when I was a kid back in 82 and wrote a lot of BASIC programs on it. I have a MiSTer multisystem now that I built a couple of months back and I just very recently …

programming • Weekend coding challenge: Unruly rulers

Stardot about 6 months ago

Back to some kind of arithmetical explorations this time. Maybe tabular, maybe graphical, maybe even some kind of sieve. It's another weekend coding challenge - write some code, and share it here, but only after the deadline. An extremely informal chall …
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Scene • Graphics routine - Basic wedge

Lemon64 about 6 months ago

This adds the following commands to basic HGR Hires Grahics On HGROFF Hires Graphics Off HFCOL Hires Fore Color HBCOL Hires Back Color HCLS Hires Clear Screen HLINE Hires Line HPLOT …
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New Releases • New Updated Release - Ewe Woz 'Ere DX v.13 by DESIGN/chaos

Lemon64 about 6 months ago

Ewe Woz 'Ere DX by DESIGN/chaos (itch.io)Baaary: Mutton Commando is a cyborg sheep from the distant future who must preserve the future of mutton-kind by defending the fields from an invasion of Traazkists led by the evil combat lizard, Traazk.Armed with …

Need a Sirius/Victor boot floppy written

VCFed about 6 months ago

I came into ownership of a Victor 9000 system and I'm still in the process of cleaning it up. It had what looks to be a copy of Kermit and another random floppy in the drive and I have not yet actually done testing yet to verify if these disks are any good …
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Help & Support • Labels in kickassembler

Lemon64 about 6 months ago

I am confused about the function of variables in KickAssembler. I've read the manual, but I am unable to find out how.Can I use a variable as a substitute for a memory address? Like Code: .var xcoord = 2 - instead of Code: ldx #$00 ldy #$04 stx $80?stx hi …
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Help & Support • Holding down a key in basic

Lemon64 about 6 months ago

how do i get it to keep adding a value to a variable? like when a game sprite moves across the screen when you hold down a key? it just moves once for me and then stops until i release the key and press it again. im using 10 let a$=get$20 if a$="x"then x= …

Nanao MS-2930 got them shakes

Arcade Projects about 7 months ago

So I helped out a guy with a Blast City Nanao, when he had it would shake horizontally and actually collapsed vertically. I did a full recap, replaced various out-of-spec resistors and cleaned out all the potting compound. The POT/variable resistor fo …

IBM COBOL, GnuCOBOL (OpenCOBOL), OOCobol. • display vertically using cobol.

zMainframes about 7 months ago

Hi guys.Can any one plz explain .how to display "Indian army" vertically using cobol. if Indian army declared as a variable in pgm.Statistics: Posted by Leena — Mon Oct 23, 2023 8:16 pm — Replies 2 — Views 238 …

IBM COBOL, GnuCOBOL (OpenCOBOL), OOCobol. • Display +,- sign for amounts field in COBOL.

zMainframes about 7 months ago

Hi,I want to display +,- sign for amounts field and decimal point and don’t want to suppress leading zeroes . How to declare this output variable? Please advise.Statistics: Posted by Sanjay Mainframe — Mon Oct 23, 2023 12:05 am — Replies 2 — View …

off-topic • USR lol

Stardot about 7 months ago

At the risk of getting my arse kicked: the Speccy forum has a beautiful thread about "remember when we didn't know how computers worked, and doing USR or OUT was like looking into the mirror crying Bloody Mary".https://spectrumcompu... ... …

PCW9512 - Brightness/Contrast Controls

VCFed about 7 months ago

I've acquired a PCW9512 which works (or at least shows the expected white screen with no disk inserted - disks are on order). In the process of removing the cover it became obvious that someone has previously broken the contrast and brightness knobs so whe …

8-bit acorn hardware • Master: Sound Loss - After A While

Stardot about 8 months ago

Hi,I've just taken delivery of a Master 128 which goes silent after 'a while' of use.After power on, or a ctrl-break, sound (eg a VDU 7 or SOUND command) always works. But after a variable amount of time, it stops - though the rest of machine continues to …

programming • Dynamically creating BASIC variables

Stardot about 8 months ago

I've been looking for this thread, didn't realise it was so long ago, so have started a new thread with a more appropriate topic for the update.The above Var_Assign routine relies on a BASIC that implements PROC(...RETURN). This is not present in 8-bit BA …

development tools • BeebASM assigning variables in macros

Stardot about 8 months ago

I've been using BeebASM and have been defining collections of variables for the addresses of things such as 16 bit values or VIA registers. These typically have a common prefix, e.g:Code: ZP_COUNTER_L = &70ZP_COUNTER_H = &71Its quite tedious defin …
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Scene • Out of memory or what?

Lemon64 about 8 months ago

Hi All,In the past weeks I did some progress with my game project. It is a kind of a "very light" Maniac Mansion, but not even close to that. Everything is programmed in Basic and tested/emulated with VICE 3.7I thought, I am more or less done with the bas …

Display Devices • Cannot change resolution for ao486 on 15khz 1084s monitor

MISTerFPGA about 9 months ago

Hi!I am trying to display ao486 on a 15khz 1084s monitor.It kind of works but the image is slightly stretched vertically. This results in some doubled lines which is nasty. The image also slightly cropped vertically. core is at: 320x200 70hzoutput is at: …

8-bit acorn hardware • Alternative Econet analogue circuits

Stardot about 9 months ago

While it is still feasible to use the traditional (75159/LM319-based) Econet analogue circuit on modern designs, it has some limitations:The 75159 is notionally still 'in production' with TI, but if you actually buy some you find that they are old stock. …