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Microdrive Mayhem!I'm wandering if anyone can help me. I recently acquired an Interface 1 plus a couple of Microdrives. But I can't get them to work properly. The Int…
... command fails *in the third stage*?
Geoff - I've sent ... -
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... "drawtile" function which would draw a variable-sized static tile (i.e ... "switch to the graphics charset, draw the background; switch to the ... (yet) another question: If I draw something to the screen [I ... to the screen and then draw the tiles and render the ... -
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... "drawtile" function which would draw a variable-sized static tile (i.e ... "switch to the graphics charset, draw the background; switch to the ... -
Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... by having to update a third variable every time the object moves ... -
Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... by having to update a third variable every time the object moves ... -
A fast DRAW routineI was investigating how to speed up the line drawing for the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20225"]BASIC compiler[/URL]…
... system variable COORDS.< ... ; ---------------------------------------------------------------------
; DRAW using Bresenham's algorithm ... br />
;; DRAW PROCEDURE
PROC
Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…
... as well as a number variable in 2030
320 ... CLS
410 REM *** Upper third Menu area ***
420 PLOT ... cosmetically.
780 REM *** now draw window top/bottom ***
790 ... on startup.
1300 REM Draw bottom right screen 'speaker' ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... update the timer in system variable FRAMES. Since 0x38 lies in ... /> There are a (very) few third-party peripherals that could generate ... /> ; * d4f5 - d4f6 SP1.LIB sprite draw function table (indexed by type ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... of 16 pixels would draw the mountains outside the ... function we've managed to draw the shifted mountain graphic ... "mtn_rotateLeft" this time, to draw this last bit of mountain ... [/code]
The global variable "g_uchar0" gets an attribute consisting ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... locations to hold variable contents. However there is a third type of ... manager like malloc, which supports variable size blocks, may not be ... of that character left to draw is in "g_scrollShift" (which can ... number of pixels yet to draw in the current char in ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
...
[code]
1. draw colony's land plots on ... }
else
{
// third or fourth place player
third/fourth place players only ... pointed at by the global variable "g_textBuffer". Some spaces ...48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... bit 4 of FLAGS (system variable at address $5C3B) will cause ... to make it work. See Geoff's ROM disassembly for a ... when it is "safe" to draw on the screen - all in ... screen timings. Some games that draw in the border area (such ...Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
... original "Complete ROM disassembly" book. (Geoff - perhaps you can update your ... Hara book and I left DRAW-LINE blank after someone ... /> I'll start with DRAW-LINE. The DRAW and UNDRAW commands were ... always uses a floating-point variable to decide when to move ...Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
[QUOTE=Geoff;296743]As an example of ... the screen address set to draw patterned lines. If you want ... way to plot lines of variable thickness :)BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…
... tolerance of it is highly variable.[/QUOTE]
I'm ... and sometimes you have to draw the graphics in "pieces" so ... the lower half or lower third of the screen.
Hungarian notation for asm - Yes or No ?There is thing called hungarian notation - https://en.wikipedia.org/wiki/Hungarian_notation Basically it is all about using prefixed indetifier to i…
... one, and I sense the third might be relevant too ;)
draw block diagrams for things, or ... and when you realise the variable you need access to lives ... have everything be a global variable and any function that needs ...High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …
... , pixels only, using ldirs of variable width. I think this takes ... addresses and values ready to draw.
The high scores ... destination don't have any third-screen jumps in them. As ...Machine Code Challenge #1 ResultsWell at the stroke of midnight there were 3 entries so everybody gets to stand on the podium and the 3 Spectrum books will be going out to prizewinn…
... Beep second and Fraser has third choice.
There was a ... /> [ This Message was edited by: Geoff on 2002-07-15 11 ...Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... />
ORG 41472 ;third row of background data
DRAW (FIRST BLOCK)
;draw four more columns
... br />
* Draw end of row
* If ... br /> * necessary to draw one more tile (right ...BASin Release 11 out nowBASin has been updated once again, for your BASIC programming pleasure! Get it at: [url="http://homepage.ntlworld.com/paul.dunn4/BASin_r11.exe"]htt…
... menu, BASin now support variable inspector tooltips. Hover your ... containing a description of the variable, and it's contents ... if that happens. (Requested by Geoff Wearmouth)
Added ... ,30..60,100 (Requested by Geoff Wearmouth)
Added ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... only comparison non technical people draw between the machines was the ... typing speed down by a third. Intended as a machine for ...Complex DRAW command?After looking at some Speccy code I noticed that the DRAW statement is used to draw lines (or it looked that way). On the Coco, the LINE command was…
... noticed that the DRAW statement is used to draw lines (or it ... command was used to draw lines and the DRAW statement was completely ... position isn't updated after draw)
B = blank (move but ... don't draw)
"U8R8D8L8" would draw a square 8 ...My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... bytes per line
ldir ;draw line
... IncY ;get next line draw position, return in de< ... bc ;one less line to draw
dec bc
third, adjust de to the ...What I hate about computers and/or video gamingYesterday I spent approximately four months (subjecively that is, objectively it was around two to three hours) fixing my mate's PC. I won't bore you…
... 't they make CPUs only draw in as much power as ... claim that it's the third party program at fault, but ... three explorer windows and no third party programs.
* People ...Please Ignore this thread !!!Well looks like you didnt, ok dokey. Ever wonder if the Roman Empire is Still Going ? Yes the Catholics ! you might cry, fare point, but whos on to…
... way when they take the third degree.
PPPPs. Really ... though, really this is top draw and you will earn CASH ...Whatever happened to Geoff Crammond?I know he was never a Speccy programmer but he did create some classic games during the 80's, 90's and 00's. Over the last few weeks I've got into F…
... old Grand Prix 4 by Geoff, which initially I was a ...New and updated software for ResiDOSI've posted an update to the TapeIO package for ResiDOS. This includes a couple of bugfixes and an enhanced listing in the %TAPELIST command, showing…
... the %TAPELIST command, showing array variable names, BASIC autorun line numbers ... ]
[*]Tasword 2
[*]Melbourne Draw
[*]Picturesque Code Machine Monitor ...Bresenhams circle algorithmI post here my final circle code to replace, if you want, the one in the ROM. It only uses integer math and runs very fast and is very compact. It is…
... ) it calculates
;we draw a pixel in each of ... =r^2 represents the real variable equation of a circle which ...Draw (x1,y1) to (x2, y2)?I was never very good at math. :( Given the above variables, what should I do to draw a line between the two pixels? How do I calculate the values fo…
... , what should I do to draw a line between the two ... I calculate the values for DRAW?
I thought it ... />
PLOT x1,y1
DRAW ????.????
I've seen ...Tips on optimizing some newbie assembly routinesI'm starting to learn some assembly language. The best way to learn is to actually code something you are going to use, so I'm creating a very simple…
... _MB23_render_asm
; First third:
ld hl, _MB23_grid ...
; Let's draw that character
push de ...
; And just draw 8 bytes to the screen ...
