-
BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…
... testing specific areas.
[code]1000 REM Test Microdrive commands ... 1)
18 DRAW 1,2: DRAW 3,2,1: ERASE ... DATA b$(): LOAD "f3" CODE 65000,535
23 LOAD ... 3: PLAY "ABCDE","abcde": PLOT INK 2;5,6
CODE 65000,535
29 SAVE ... -
Books that you just can't quit.Much as parts of the presentation,writing style infurates me, there is a book I just keep comming back to again and again. Its like the Yang to the …
... basic or would a machine code routine for scanning the ... authors that writing the code like this makes it ... mind lol.
[code]
100 REM drawing a ... )
9430 PLOT XPEN,YPEN
9440 DRAW NXPEN-XPEN,NYPEN ... YSCALE
9760 RETURN
[/code] -
Books that you just can't quit.Much as parts of the presentation,writing style infurates me, there is a book I just keep comming back to again and again. Its like the Yang to the …
... /a2w7if.gif[/IMG]
[CODE]
100 REM main program ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... easy to read.
[CODE]10 REM plotting with poke ... GOSUB 1000
21 REM Draw a circle at 128,88 ... /> 1050 RETURN
1100 REM Plot x,y
1105 REM ... set bit
1230 RETURN[/CODE] -
SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... source code.
[*]Graphics commands can now use the entire display: PLOT ... 0, -16: DRAW 255, 191: CIRCLE 128 ... /> [*]Modular assembly listing.
[*]Refactored code for improved readability.
[*]ROM ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
[code]; --- THE SYTNAX TABLES -------------------------------------------------------
... br /> .ifdef ROM1
defw plot
.endif
... br /> .ifdef ROM1
defw draw
.endif
... var_syn
defw on_error[/code] -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
[code]; THE 'DRAW' COMMAND ROUTINE
org 0x2382
draw:
rst get_char ... calculator
call draw_line ; draw next arc
pop bc ... C'
call plot_sub ; plot step
exx ; main ... jp set_work ; immediate jump[/code] -
Code to test if a rectangle is in a rectangle[SIZE=3][FONT=Calibri]I am looking to write some code that will check if a rectangular shape is outside or overlapping a second rectangle. If the sma…
... /> [/code]
[code]
10 CLEAR 39999:
PLOT 64,44: DRAW 128 ... ,0: DRAW 0 ... /> PLOT x,y: DRAW 5,0: DRAW 0,5: DRAW -5,0: DRAW 0,-5: PLOT ... -
SpecBAS 0.800 Released!Hi folks, it's that time again for another release. I was going to add a few more features, but I have other projects on the go at the moment, and it…
... each call to a line draw or circle etc which reduces ... the polygon routines:
[code]
ZXASCII
AUTO -1 ... y2=p(b,2): PLOT x1,y1: DRAW TO x2,y2: NEXT ... SCREEN: GO TO 20
[/code]
Save it as ... -
Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... the turn in degrees.
[code]
3 DEF FN x ... :
PLOT a(p1,1),a(p1,2):
DRAW a(p2 ... /> 15 GO TO 8
[/code] -
hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... Spectrum BASIC keywords:
[code]
char *strings[] = {
... "COPY", "DATA", "DEF FN", "DIM", "DRAW", "ERASE", "FLASH", "FORMAT", "FOR", "GO ... "OUT", "OVER", "PAPER",
"PAUSE", "PLOT", "POKE", "PRINT", "RANDOMIZE", "READ", "REM ... -
hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... "COPY", "DATA", "DEF FN", "DIM", "DRAW", "ERASE", "FLASH", "FORMAT", "FOR", "GO ... "OUT", "OVER", "PAPER",
"PAUSE", "PLOT", "POKE", "PRINT", "RANDOMIZE", "READ", "REM ... "AND", "ASN", "ATN", "ATTR", "CHR$", "CODE", "COS", "EXP", "FN", "INKEY$", "INT ... -
Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... the Mandelbrot wiki.
[CODE]For each pixel (Px, Py ... = palette[iteration]
plot(Px, Py, color)
}
[/CODE]
code.
[URL="http://www. ... this is just after the draw screen routine and before it ... -
So shooting 360 degrees?...[I]How do I go about having - for example - a cannon in the middle of the screen, that can shoot in any direction towards the player?[/I] Well, I do…
... ;772794]When you want to plot your pixel, you use the ... that includes expressions such as [CODE]while (x < max(x ... ++;[/CODE] becomes really messy at the edge t.i. trying to draw ... -
Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…
... the limitations in my own code, so I'm going to ... exhaustive commentary follows ...
[code]
35 LET j1= 0 ... 20,16; BRIGHT 1;CHR$ (CODE i$-11):
LET c ... ;="1" THEN
GO SUB CODE y$*2-12
84 ... -
Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…
... exhaustive commentary follows ...
[code]
35 LET j1= 0 ... 20,16; BRIGHT 1;CHR$ (CODE i$-11):
LET c ... ;="1" THEN
GO SUB CODE y$*2-12
84 ... -
SpecBAS / SpecOS documentationHi, I just find out about SpecBAS and I was so impressed by the new functions while retaining compatibility with ZX Basic that I've been playing wit…
... how difficult it is to code a sprite routine in z80 ... : CLS
20 PLOT SCRw/2,0: DRAW INK 7;0,SCRw ...
30 PLOT 0,SCRh ... /2: DRAW SCRw,0
40 ... -
Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…
[CODE]10 CIRCLE 128,80,80
20 PLOT 0,30: DRAW 255,0 ... 3
110 PLOT INVERSE 1;f,0: DRAW INVERSE 1;0 ... ,175: NEXT f: RETURN [/CODE]
Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…
... straight lines the whole $2382 DRAW routine, which takes up seven ... sub-routine. Try this:
[code]
3 LET DOTS=23296 ... DOTS: REM DRAW coords on calc.stack
30 PLOT 255,175 ... $18
DEFB $0A
[/code]Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…
... to draw the four lines for one pattern.
[code]
20 PLOT 255,0: LET X=-255 ... SUB 500
30 PLOT 255,175: LET X=-255 ... SUB 500
50 PLOT 0,87: LET X=255 ... PLOT px,py
750 NEXT N
760 RETURN
[/code ...Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…
... ;778057][CODE]10 CIRCLE 128,80,80
20 PLOT 0,30: DRAW ... 3
110 PLOT INVERSE 1;f,0: DRAW INVERSE 1;0 ... ,175: NEXT f: RETURN [/CODE]
Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…
... to draw the four lines for one pattern.
[code]
20 PLOT 255,0: LET X=-255 ... SUB 500
30 PLOT 255,175: LET X=-255 ... SUB 500
50 PLOT 0,87: LET X=255 ... PLOT px,py
750 NEXT N
760 RETURN
[/code ...Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…
... BasinC and run.
[CODE]1 GO SUB 9000
DRAW coords on calc.stack
30 PLOT 255,175 ... ,223
9260 DATA 10[/CODE]
Now to look ... at the code and work out how it ...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…
... ]. Here's how:
[code]
10 POKE 23659,0 ...
40 PAUSE 0
[/code]
You can't ... SE Basic enables you to PLOT and DRAW across the whole screen ...Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…
... interface as yours):
[code]
;INPUT: H : valid character ... /> ld h,a
ret[/code]
35 T-states ... 't be calculating a new plot address for each point but ... plotted in a DRAW command. As CIRCLE calls DRAW, this computes all ...BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... first! Have changed round the code for a wall to 0 ... straightforward to plot as INVERSE 0 or 1 when I draw the ... /bigjon1684/ZXSporgBasicv0pt27.jpg[/IMG]
[CODE]10 REM zx sporg basic ...Kempston mouseHas anyone got code to work with an emulated Kempston mouse? There seems to be some conflicting information in the internet on which bits are reset w…
... to read it
[code]
10 LET x=IN ... THEN PLOT x,y
50 GO TO 10
[/code]
code should auto complete) you can move the mouse,
To draw ...GameBaddie's Art project...Hi Guys, I've recently revived my old 48k for a (just-for-fun) art project. I have about 4 weeks of spare time to accomplish my goal, and the plan i…
... to program a routine to plot ellipses, one inside the other ... with the CIRCLE command, and draw circles that are, say 2 ... a formula somewhere that can plot ellipses in the same manner ... use very finely tuned Machine Code routines, and from what I ...
