-
ZX ROM in 64 characters a lineDear ZXS users, I am glad the today's release is not only concerning MB-02+ as it is normally the case with me, but it concerns really everyone, sinc…
... print in 64 characters a line. The biggest advantage will be ... already in 64 chars a line:)) -
Command line compiler?How do people compile their BASICs these days? I'm thinking of something along the lines of an ASM compiler. E.g. you have a file on your hdd named …
... basic.txt' at the command line and it gives you let ... -
Line - a one line arcade gameHi, I have published Line, a game written in a single line of BASIC. Thanks to Einar Saukas for additional optimisations, suggestions, and fixes. …
... ,
I have published Line, a game written in a ... single line of BASIC. Thanks to Einar ... />
https://patters.itch.io/line
Enjoy! -
Breaking the Ice (another 1 line BASIC game)@Patters pushed me to do it... This is another 1-line BASIC game, with the same restrictions discussed. The mission: to save 10 penguins that a…
... />
This is another 1-line BASIC game, with the same ... -
how do i set this code up, so i can print more than one line of text?well i got it working but how do i set this code up, so i can print more than one line of text? with a loop or something? not sure where to start on …
... can print more than one line of text? with a loop ... -
Are line numbers considered the first statement in the line?I'm trying to understand how BASIC variables are stored in memory using the BASIC Programming manual and am puzzled by the results of the control var…
... the statement number within the line according to the manual but ... think of is that the line number is considerred the first ... -
InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... . The time the /INT line is held low can be ... reach 0x0038:
* M1: 7 tstates: acknowledge the interrupt ... interrupt routine:
* M1: 7 tstates: acknowledge interrupt and ... 19 cycles:
* M1: 6 tstates: acknowledge interrupt.
PokesDoes anyone know where I can find a list of Pokes for my Speccy games? I am trying to find some for On the Bench ! Thanks
... the RANDOMIZE part from line 2, then RUN it ... final part, titled [B]M1[/B], that loads after you ... reset Speccy), copied line 9994 (a line the program GOSUBs ... statement and saved this line along with the original ... it overrides the original line 9994 in the main ...PokesDoes anyone know where I can find a list of Pokes for my Speccy games? I am trying to find some for On the Bench ! Thanks
... the last short part, "[B]M1[/B]") you -[I]can[/I ... code (e.g. altered [I]line 9994[/I] to include [B ... the final loader part ("[B]M1[/B]") deletes. You'll have ... the record, it deletes [I]line[/I] [B][I]1[/I ... the [B]MERGE "M1"[/B] from [I]line 726[/I] during the ...Sparky eZX-BASIC Project in need of FPGA ExpertYou probably are not familiar with this project, but it is a computer system based on Zilog's new eZ80 chip and the OS is a superset of ZX BASIC. Ju…
... make a request one scan line before, but that could be ... /> There is no longer a M1 pin nor a WAIT pin ... inactive, as there's no M1 to tell you and there ...Multiface 128 problemHello everyone i have a 48k plus speccy which i firstly thought was working perfectly. It passed all the test of the official Sinclair test tape (cpu…
... because of non-(good)-working M1 line?[/QUOTE]
Really? I ...Some things I bet you didn't know about Microdrives...Quote: This can be attached to any 16k, 48k, & 128k Spectrum Computer, it always for increased performance, and more detailed BASIC code. The Micro …
[QUOTE=DEATH]There were many many Spectrums released with bad NMI lines resulting in things like IF1, Multiface, +D disk interface etc not working.[/QUOTE]
The IF1 uses NMI? I thought problems were down to a dodgy M1 line.
MikeWSome things I bet you didn't know about Microdrives...Quote: This can be attached to any 16k, 48k, & 128k Spectrum Computer, it always for increased performance, and more detailed BASIC code. The Micro …
[QUOTE=MikeW]The IF1 uses NMI? I thought problems were down to a dodgy M1 line.
MikeW[/QUOTE]
Well, OK, same difference as makes no odds :D
I think the IF1 uses NMI though - maybe not, I have learned someting today!Some things I bet you didn't know about Microdrives...Quote: This can be attached to any 16k, 48k, & 128k Spectrum Computer, it always for increased performance, and more detailed BASIC code. The Micro …
... correct NEC Z80 had bad M1 line.[/QUOTE]
Probably wrong ... a problem with a faulty M1 line (resulting a Multiface128 not working ... recall) i tested had faulty M1 line.
Finally a NEC Z80 ...Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …
... see lines like /RFSH and /M1 and the address lines are ... on the screen - maybe a line of short dashed lines at ...Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …
... see lines like /RFSH and /M1 and the address lines are ... on the screen - maybe a line of short dashed lines at ...Nooooo my speccy died!??!!Hi! I am quite sad. :( Tonight I got a kempston interface so I rushed home to try it on my spectrum+ The edge connector of the interface was narrower…
... , RAM) inclucing the Z80's M1 line (they didn't have extensive ...Compatability with Interface 1 and SpeccyI was wondering if there are any known compatibility issues with different versions of the Speccy and the Interface 1. Reason I ask is I have a vers…
Check CPU.
Some brands have faulty M1 line, and therefore some interfaces work not.Compatability with Interface 1 and SpeccyI was wondering if there are any known compatibility issues with different versions of the Speccy and the Interface 1. Reason I ask is I have a vers…
What's the nature of the fault of the M1 line? Does it simply never go active, stay permanently active, or is the timing screwed up?Compatability with Interface 1 and SpeccyI was wondering if there are any known compatibility issues with different versions of the Speccy and the Interface 1. Reason I ask is I have a vers…
[QUOTE=Winston]What's the nature of the fault of the M1 line? Does it simply never go active, stay permanently active, or is the timing screwed up?[/QUOTE]
Ask someone with logic analyzer.
Or answer to first 2 questions with voltmeter :DMultifaceOne Vs Multiface128Is there any advantages to having a Multiface128 as opposed to a MultifaceOne for the 48k rubber speccy? Currently I have the M1 and sometimes get s…
... ?
It might be a M1 line (NMI) mulfunction of the Z80 ...Blowtorch method of Speccy repairsI just did my first Spectrum repair (and successful at that). It was the Issue 2 spectrum I wrote about a while ago, I just hadn't got around to doin…
... you can test Z80's M1 line (NMI).
I had a ... would just reset. If the M1 line doesn't work you will ...MultifaceOne Vs Multiface128Is there any advantages to having a Multiface128 as opposed to a MultifaceOne for the 48k rubber speccy? Currently I have the M1 and sometimes get s…
Yeah but Im sure its not the M1 line thing. I just put a new Z80 in it and that fixed the other M1 issues I was having with the interface one. I was thinking its probably 'wobble' when I am hitting it.MultifaceOne Vs Multiface128Is there any advantages to having a Multiface128 as opposed to a MultifaceOne for the 48k rubber speccy? Currently I have the M1 and sometimes get s…
... Im sure its not the M1 line thing. I just put a ... and that fixed the other M1 issues I was having with ... you can rule out the M1 line problem entirely).
When ...MultifaceOne Vs Multiface128Is there any advantages to having a Multiface128 as opposed to a MultifaceOne for the 48k rubber speccy? Currently I have the M1 and sometimes get s…
... you can rule out the M1 line problem entirely).
When ...Multiface 128 WoesI have a customer who has a couple of Mutliface 128s which are not working. He has managed to save some snapshots (and reload them) in the past, but…
If it's not the Spectrum's M1 line, it must be the paging logic. Luckily, all the chips can be bought off the shelf, except the RAM and the ROM. Would probably be an easy fix for somebody "in the know".
