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How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…
... height, width and
PRINT AT coordinates of where to start (30 ... F=0 TO 19 :
PRINT AT F,0;"" : NEXT F ... -
Mighty Music ProgramsI'd like to think I'm reasonably proficient (after all of 32 years) in the 128K Spectrum's PLAY command. However, this program is absolutely nothi…
... , [i]long[/i] listing of PRINT AT (...AT, AT, AT, AT ... instructions on how to convert PRINT AT coordinates into PLOT positions to ... f, p and m and print them alongside each other to ... -
z88dk multicolour enginesI've been trying to work out how the multicolour sprite engines have been implemented in z88dk. It's not obvious. Looking in the source, I found …
... draw multicolor sprites at odd "PRINT AT" coordinates) and [b]H[/b ... sprites at any arbitrary "PLOT" coordinates). They are included in z88dk ... -
Help needed (YS Megabasic - Sprite designer)Hi everyone If i select the Image Editor on YSM Sprite Designer and try to use any option (S for colours, C to clear grid etc.), nothing happens. It…
... new system. Also,the PRINT AT coordinates are relative to the top ... and SCREEN$ use absolute screen coordinates."
Not too lucky ... -
Help needed (YS Megabasic - Sprite designer)Hi everyone If i select the Image Editor on YSM Sprite Designer and try to use any option (S for colours, C to clear grid etc.), nothing happens. It…
... new system. Also,the PRINT AT coordinates are relative to the top ... and SCREEN$ use absolute screen coordinates."
Not too lucky ... -
How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... anyone have a routine to print a logo/graphic like game ... to the screen at chosen coordinates and a brief explanation of ... .
Oh and a print routine too that I can ... -
Print at 128,87? :)The advanced search function didn't help me find the answer to this, and I don't remember seeing anything similar in magazines or books... so please …
... print a character or UDG from BASIC but using pixel coordinates ... ?
Ideally it would allow me to use PRINT ... AT) to specify the coordinates instead of separate commands with ... would need a function, coordinates set via variables or POKEs ... -
How to print with colour using DiscipleHi! I was wondering if there is any way of printing in colour using the Disciple. I am using an Epson Stylus 600 Printer with one of my +2s and I wo…
... I would really like to print some colours apart from greyscales ... -
Sinclair User: Blue Print Double DragonI'm not sure what issue the Blue Print of Double Dragon appeared, I think it was issue 78 (September 88) Even a scan would do. Cheers
I'm not sure what issue the Blue Print of Double Dragon appeared, I think it was issue 78 (September 88)
Even a scan would do. Cheers -
z88dk Spectrum Screen Driver problemHi guys, I've been messing around with z88dk a bit and was trying to output some stuff to the screen. Reading the docs, it says that I can use the Z…
... and y coordinates of the text I want to print by sending ... 0x16 followed by the y and z coordinates ... I use it, the X coordinates seem to be wrong - everything ... -
42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…
... travels I have come across 'Print Utilities,' a release from the ... -
Print 'n' Plotter SPRITE MACHINEJust got this from an ebay seller this afternoon. I just TZXd it and sent it to the Steve at the vault, yet it might be a while before it gets put up…
... USA.
stuff like Print 'n' Plotter ART o' Matic ... -
print at line 22 and 23I have a faint recollection of POKES to allow print at 22,x and 23,x, anyone know what they are? (rather than using the print #0 #1 stuff..)
I have a faint recollection of POKES to allow print at 22,x and 23,x, anyone know what they are? (rather than using the print #0 #1 stuff..) -
PRINT AT in assembler Hello everyone, I am very new to this forums. Like perhaps many others I had a Spectrum as a child and did pretty much simple BASIC programming, bu…
... (perhaps not) simple things like print a single character to the ... that to achive the BASIC PRINT AT-operation the instructions would ... ", but the X would only print this number of new lines ... -
Print routine for BASIC (or BASin)For anyone interested there's a crappy binary here to print characters from BASIC at pixel positions. Import the binary at 60000, USR 60000 to initia…
... a crappy binary here to print characters from BASIC at pixel ... to initialise the stream, then PRINT #4; AT y,x; etc ... -
Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... character printed in basic at coordinates x and y?
20 print at y,x; "K"
ZXF11 now available in printThe print version of ZXF issue 11 is now available for £5 per copy (not including postage and packing). Received my copy today and it looks supe…
The print version of ZXF issue 11 ... . If you do purchase a print version from lulu, don't ...Print Int -65536Just came across an interesting bug in the ZX Spectrum Floating Point format from the Complete ROM Disassembly book. [code] PRINT INT -65536 [/code]…
Re-print Mr. Rollings Speccy book.I'm making a quick poll to see how many want to see a re-print of [URL="http://www.zxgoldenyears.com/"]The ZX Spectrum Book 1982 to 199x[/URL]. This…
... want to see a re-print of [URL="http://www.zxgoldenyears ...On the subject of reverse engineeringIn this world of emulated hardware, there are Specchums out there who would like to put their hands on that peripheral they never had, that add-on th…
... 't really been explored: the reverse engineering of Spectrum interfaces.
So, on this subject of reverse engineering, and without deviating the ...Print ATHello, Can someone please tell me how to do a Print AT command? Thanks,
Hello,
Can someone please tell me how to do a Print AT command?
Thanks,Visually reverse engineering a map (Barbarian 2)Sometimes I talk too much, for too long, and mostly about nothing at all in particular. I had spent nearly an hour writing a long-winded, step-by-st…
... what I did to visually reverse-engineer the Barbarian 2 map ...BigBadMick's first ebook - Dark Isle (out in print at end of Sept 09)I've just published an ebook with Damnation Books. My website for the ebook's here: [url]http://bigbadmick.tripod.com/index.htm[/url] There's a 50…
... . It's coming out in print at the end of September ...Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... anyone seen code for a print routine with pixel accuracy?
That is print(y,x,CHAR) that allows ...Problem with PRINT #stream on +128kWorking on a +128k, I want to choose whether all report output goes to screen or printer, so I use PRINT #stream where stream = 2 or 3 for screen or …
... printer, so I use PRINT #stream where stream = ... :
LET stream=3: PRINT #stream;"stuff"
either ... , then repeatedly call the print subroutine with GOSUB 1719, ... ,8 etc. This is the print subroutine:
[code]
PRINT #stream;FN p$(i);: ...PFN PRINT by Garry Rowland...Hi Folks, Whilst watching Casualty last night I thought I would surf the archive and look at some "classic" software. One I tried was a program cal…
... generated by something called PFN PRINT by Garry Rowland and were ... find a copy of PFN PRINT or the instructions on how ... get a copy of PFN PRINT with instructions? It looks like ...[SpecOS] Question about OVEROk folks, this one has me (and a few friends) stumped. How would you implement OVER in SpecOS? Bear in mind that I'm after an algorithm which I appl…
... pixel plotted (whether in a PRINT command, or graphics commands like ... we're plotting and the coordinates. Also it's important to ...Print text in assemblyHello, a perhaps simple question: I would like to print a text string on the screen and I wonder how to do that in the most easy way? I seem to re…
... question: I would like to print a text string on the ... , RST 16 (?), but can that print more than one character? That ... . "Hello world of spectrum" and print at a position of choise ... looking for the equalient of PRINT AT 5,10;"Hello", but ...Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …
How do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and ink but can't figure it out.
Sincerely,
Ooze48k(part of) screen to UDGHere is a routine to copy a Y,X-position on screen to a UDG. 0<=y<=23 0<=x<=31 144<=udg<=165 (UDG "A" to UDG "U") [code] ; start code with ; PRINT …
Here is a routine to copy a Y,X-position on screen to a UDG.
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