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Headerless tape loading blocksIs there any way to convert headerless machine code blocks to regular headed blocks? I imagine it involves Taper. I ask because now that I know I'…
... "Loading :- GLASS 2 01" on two lines rather than the usual "Bytes ... -
Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
Talking of using the bottom two lines, what I've been doing ( ... to those bottom two lines, I can only see two options: (1) use ... key" prompt deleting the bottom two lines. -
Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... to those bottom two lines, I can only see two options: ... very slowly ... -
How can I get around having to press ENTER at the scroll query?Or how can I get my program to run on until I stop it?
... 23692. It controls how many lines it prints before it asks ... POKE 23692,255 will print 255+21 lines before it says "scroll ... -
How to stop a flickering character erasure?I'm trying to figure out how to build a moving sprite. Eventually it will be made up of several UDG's. However its early days yet so I'm experimentin…
... has two line numbers but each one is followed by lines of ... It's all packed in two lines to speed up GOTOs. Does ... -
Play Safe information filmsI remember these from my childhood being aired on UK TV around teatime and also during childrens programmes. They kind of imprinted on ones subconsci…
... grid of diagonal painted lines (or only two lines crossing each other in ... -
Any love for Cholo?I remember really wanting this, but seeing very little coverage on it... so I bought it, and loved it. I always wonder why it never got any covera…
... is bizarre is that the lines seem to be drawn with ... ), such that where bits of two lines overlap they disappear again. There ... clean buffer to draw the lines into.
It's ... easy task to clip diagonal lines short at the edges of ... -
Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... round (at least on the two keyboards I am looking at ... follow) [/quote]
Yes, two lines are swapped around on the ... -
Budget gem - Rescue by MastertronicHi All, Digging through my old Spectrum tapes today from my youth I discovered a budget gem - Rescue by Mastertronic I'm really impressed with…
... only dedicated a page or two to releases.
Interesting ... 'screen' loading to just display two lines of text. Bit frustrating when ... -
Clive's Cambridge Z88 Manic Miner game playhttps://youtu.be/d_Jw7EJn4xo [url="https://youtu.be/d_Jw7EJn4xo"]https://youtu.be/d_Jw7EJn4xo[/url]
Ok, I can only add about two lines of text to my replies. It cuts the rest off. That was a much longer reply -
Smallest playfield game?What is the game with the smallest playfield? I'm not referring to map size, but where the action takes place. Some examples: - Jet Pac: The acti…
... least) 12 bytes, divided on two lines of 6 bytes (48x2 bytes ... thought that putting those 2 lines on the playfield would result ... -
Make up a Lyric (Can they guess the original tune?)Starting with an easy one! Can you guess the original tune? Christmas Is The Time for VERY EXPENSIVE New Graphics cards so I thought of this :- …
... was too hard with just two lines and no chorus . But the ... -
Finding and listing the Games that are PWI ( Playable Without Instructions)The idea for this came up here:- [url="https://worldofspectrum.org/forums/discussion/58008/what-of-zx-spectrum-games-can-be-played-without-referri…
Hyperspace isn't abbreviated on screen, though it does span two lines. -
Remainder (Mod) calculationsI've been figuring out how to calculate remainders after integer division by a constant divisor k (A mod k = A % k). I found that for most small di…
[quote="Paradigm Shifter;982963"]Most division routines end up with the remainder as a side effect so you shouldn't have to do the multiplication to get the remainder if you have to divide first[/quote]
If you calculate division by a constant using ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... Select Tools -> Z80 Assembler.
To run our ... the Spin Assembler.It will appear as 15 lines of mainly ... br /> When the Spin assembler gets to the instruction ' ... We'll print the top line of the road. Two double ... If it is odd, lower the road position in hl ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... Select Tools -> Z80 Assembler.
To run our ... the Spin Assembler.It will appear as 15 lines of mainly ... br /> When the Spin assembler gets to the instruction ' ... We'll print the top line of the road. Two double ... If it is odd, lower the road position in hl ... -
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 ... X would only print this number of new lines and the character ... -
BASin Release 13 is now availableI'm still at it. BASin is now in it's 13th incarnation (disregarding the inter-version updates) and is now available at [url="http://homepage.ntlw…
... won't lose the last two UDGs.
Added - RAMDisk commands ... a reset. (Necros)
Fixed - PRINT statements starting with a bracket ... the uncompleted Assembler documentation).
Fixed - Removing a selection of lines by ... -
BASin Release 13 is now available[unashamedly x-posted from Emulators forum] I'm still at it. BASin is now in it's 13th incarnation (disregarding the inter-version updates) and is …
... won't lose the last two UDGs.
Added - RAMDisk commands ... a reset. (Necros)
Fixed - PRINT statements starting with a bracket ... the uncompleted Assembler documentation).
Fixed - Removing a selection of lines by ... -
Not worth reading really - unless you have some spare time(Mods if you want to move it please do it does have a sort of hardware theme and a couple of recommendations at the end :) About two years ago now I…
... the end :)
About two years ago now I started ... keyboard membranes and busted -5v lines to get a working machine ... had died was the ULA/lower ram, so what would cleaning ... with it....
10 PRINT "Paul"
20 GOTO 10 ... -
Find-Fill-Copy functions for BASICThere's not much going on here, so here's three m/code routines to provide some data manipulation functions which are otherwise slow to do from BASIC…
... the top four screen lines to green on black ... are two versions of each routine, using either:
"PRINT ... discarded (this alters the two call addresses marked "***"). There ... the end of the assembler listing is so that ... BASIC program; see lines 15 & 20. -
The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…
... supply, separate voltage regulator, two Microdrives, IF-1 and ... 's sector in the lower part of the Spectrum' ... a few BASIC DATA lines together with some configuration ... and show "H-D" two times and "--D" another ... is input on the Z80 assembler code (there might be ... -
OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... software, SE BASIC solves these two problems.
... g. PR. instead of PRINT). The EDIT key is gone ... 6 in the line). Lines are edited using the ... contains at least one lower case letter (variables are ... /c), DELETE (remove BASIC lines), DIR (toggle 8-bit ... -
Ideas for speeding up this BASIC routine?This loop can take up to 2 minutes to run, depending upon the content of the screen being scanned, about 70% of that time being taken up by lines 105…
... time being taken up by lines 1055 (50 secs) & 1075 ... up those two parts (other than rewriting them in assembler)? Don't ... -
Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…
... />
100 INPUT "Enter two 16-digit numbers"'
"in ... Andre Adrian for the original assembler version
981 REM ... /> 1000 REM LMUL:
1001 PRINT " ";FN b$(V)+FN b ... R("C") : REM RR C ; LOWER 32BIT OF RESULT
1340 ... -
Problem with Pasmo Assembler/Speccy emulator?I'm at the start of trying to learn Z80 assembly for the ZX Spectrum. I'm using Speccy 1.7 as my emulator, Pasmo as my assembler, and am following t…
... my emulator, Pasmo as my assembler, and am following this tutorial ... , type PRINT USR 24576 when you should see 3 basic lines.
lines of basic that it mentioned, I type PRINT USR ... still think it involves the assembler.
Thank you for ... -
TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…
... 's in need of an assembler re-write.
PRINT, IF).
[*]Display file used ... one at the end, two bytes being the TAP ... or Wordpad.
[*]Lines starting REM are wrapped at ... I'll add an assembler version in due course.< ... -
SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
... UDGs - Previously, UDGs were two characters in size; CHR$(1 ... output graphics primitives (CIRCLE, PRINT etc) can now use alpha ... IN operator now has a lower priority than functions and ... caused a crash in multistatement lines
Expressions that start ...
