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Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…
... 1:[/B]
Green ink on black paper, with BRIGHT, but no FLASH ...
black paper = 0
green ink ... /> [0 x 8] + 4 + 64
= [B]68[/B]
[B]Example ... ), DE should already be pointing at the 9th tile byte of ... -
From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…
... idea. Line 35 times at 4.72 seconds in BASin ... [strike]LET v=1:[/strike] FOR t=1 TO 145 STEP 16 ... LET b$="":
FOR a=1 TO 31 STEP 2: LET b$=b$+t ... u=u+1: NEXT a:
LET v$=v$+b$+b$: [strike ... LET ft=t0
60 PRINT v$;"Time : ";INT ((ft-st ... -
From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…
... similar idea. Line 35 times at 4.72 seconds in BASin ... LET v$="": LET v=1: FOR t=1 TO 145 STEP 16 ... : LET b$="":
FOR a=1 TO 31 STEP 2: LET b$=b$+t ... u=u+1: NEXT a:
LET v$=v$+b$+b$: LET v ... : LET ft=t0
60 PRINT v$;"Time : ";INT ((ft-st ... -
Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…
... now contains screen position to print at
; ****************
ld b,8 ; 8 pixel rows to print
at end of map row< ... b ; vertical position.
and 24 ; which segment, 0, 1 or ... -
Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…
... co-ordinates (for example B=0, C=0 on screen to begin with ... points BC at the bottom-left quarter of the block - B+1 - and ... BC at the bottom-right quarter of the block - B+1, C+1 - and ... more CALLs under print_tile to print all the blocks of the ... -
BASin won't accept this code?Taken from the Oneliner contest 2007: [CODE]1 LET n=191: DIM i$(4,9): FOR g=2 TO 4: LET i$(g-1)=" # # # # ": NEXT g: LET b=0: LET p=16: LET a=p: LET …
... 4: LET i$(g-1)=" # # # # ": NEXT g: LET b=0: LET p=16 ... 1: FOR i=1 TO 3: PRINT AT y-1+2*i,x;i$(4);AT ... " ": PRINT AT b+1,a;" ";AT b,a;"| "(1+(b=0));AT h*b,a;" ";AT g-1,x+3;" ";
Dunny
April 2014
Sinclair Basic
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BASin won't accept this code?Taken from the Oneliner contest 2007: [CODE]1 LET n=191: DIM i$(4,9): FOR g=2 TO 4: LET i$(g-1)=" # # # # ": NEXT g: LET b=0: LET p=16: LET a=p: LET …
... 4: LET i$(g-1)=" # # # # ": NEXT g: LET b=0: LET p=16 ... 1: FOR i=1 TO 3: PRINT AT y-1+2*i,x;i$(4);AT ... " ": PRINT AT b+1,a;" ";AT b,a;"| "(1+(b=0));AT h*b,a;" ";AT g-1,x+3;" ";
GreenCard
April 2014
Sinclair Basic
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Interface 1bis updateSupport for connecting a standard PC keyboard to the interface?s PS/2 socket, in place of a mouse, has been added. The external keyboard?s output is …
... correct output routine when a ?B? channel is opened.
print jobs are to be ... serial port rather than the print server.
0 and 1 of the device ... patched KEY-SCAN routine at address #028E of 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. …
... , such as PRINT AT y,x;"/\";AT y+1,x;"\/"
(b) Generating a ... ;over 1; paper 8; ink 8;" [30 spaces here] "; paper 0; ink ... 5; over 0; "\/"
[/I]
Didn't seem slower than two Print ... -
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. …
... :
FOR y=1 TO 20: PRINT AT y,1;TAB 31: NEXT y ... $=CHR$ 18+CHR$ 1+CHR$ 17+CHR$ 0+CHR$ 16+CHR$ 2 ... +"AB":
LET b$=CHR$ 19+CHR$ 1 ... /> LET c$=" ": PRINT AT x,y;a$: PRINT AT x+1,y;b$
45 LET ... -
Block RoutineHi Folks, I want to draw a block on the screen dependent on providing the X,Y,W,H values. I came up with the following: [CODE]100 LET l$=" …
... FOR y=0 TO 21: FOR x=0 TO 31: PRINT AT y,x ... : LET z=0
7001 FOR i=0 TO l-1: READ a ...
7002 POKE (b+i ... /> 7011 DATA 0,9,86,1,8
7012 DATA 0,9,94 ...
RET
DEC B
DEC B
RRCA
INC ... -
Help me fix my grail ZX 128k SpectrumHi all, Ok today my grail toaster rack ZX spectrum 128k turned up. I finally found one and for a reasonable price. I powered it up and..... Nothing …
... A=IN 31
20 PRINT AT 5,5;A;" ";
30 ... (or no joystick connected) prints 0 (zero)
Joystick up prints ... 2
Joystick right prints 1
Fire button pressed prints ... 16
[B][I]Mark[/I ... -
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…
... . compared to RANDOMIZE, LET or PRINT, for example). As Plot191 returns ... FLASH 0). This method makes it possible to PLOT within a PRINT statement ... 3 2 1 0
;= |.B| |..B..| =|..B..| |.....C.....|
; 0 1 0 7 6 2 1 0 5 4 ... -
clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…
... 0, it's not possible to use PRINT AT on the 24th row; PRINT AT ... hi=rows
ld b,0 ;BC never exceeds 32, ... ;will be -1 after segment change, else 0
inc ... row
dec (ix+1) ;decrement rows counter
... -
Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…
[B]Alkatraz BASIC[/B]
Alkatraz BASIC ... />
[B]Construct Alkatraz BASIC[/B]
There's ... the character codes 22,1,0,32 and suffixed by ... like doing this:
[CODE]PRINT AT 1,0;" FILEN",[/CODE]
[B]What's next?[/B]
We're ... -
Retro GamerDoes anybody know when the next issue of Retro Gamer will be out? They told me to include an article about the Spectrum30 show in the News section an…
... like:
[B]1 - The Atari ST hacking/cracking ... six hundred, but Automation were at the other end of the ... a different media, such as flash carts (old, such as the ... GOTY Ultimate Mod Library v2.0" (search google for that), and ... -
Fast Condition TestingHello my friends, I have been writing some input and string handling routines in BASIC lately - yeah I could write them super fast in C/ASM via z88d…
... Software
130 REM 3.1 18-Jul-2011
140 ... =Length
240 REM i4=(1)Mixed (2)Upper (3)Int ... )Num
250 REM i5=(1)Req'd i6=Key i7 ... ,ATTR (i2,i0): PRINT AT i2,i0;"\{f0} ";AT i2,i0-e1;"\{p1 ... -
64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…
[code]
5 PRINT AT 14,26;"$?%AS"
10 ... + CHR$ 132 : LET v=0: LET z=1: LET f=10: LET ... 247: IF POINT (n,b)=1 THEN PRINT OVER 1; AT f,g;a$(z ... LET g=2: IF v=0 THEN LET z=3: LET ... f=f+1: LET z=1: LET v=0
80 NEXT b
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
...
* [B]removed control sequences[/B] (ie no AT) but retained \n ... indicated.
* [B]asm_fzx_puts_justified[/B]
Print a 0-terminated string but pad ...
0 z80 jump instruction (195)
1..2 fzx_draw function ...New Game(s): Sir Ababol 2 and Sir Ababol DXHere is our own Christmas Present from Mojonia! We weren't going to release these games (at least, by the moment) but we decided just yesterday to fi…
... much time on Sir Ababol 1 before, so I'm playing ... ,22 ;rom 'print at'
rst 16
ld a,0 ;y
;
little_noise
ld b,0
lnlp ld a,r ... db 0,0
key2 db 0,0
key3 db 0,0
key4 db 0,0 ...moving things en masseJust a random thought while I warm up for the Crap Games Once you PRINT something to the screen..... can you manipulate it in anyway other than ove…
... /> 15 PRINT AT 10,5; FLASH 1;"PLEASE WAIT."
16 BORDER 0
20 ...
50 PRINT AT x,y;CHR$ (z)+CHR$ (z+1)
100 ... =144: PRINT AT x,y;" ": LET y=y+1
2050 PRINT AT x,y ... ;CHR$ (z)+CHR$ (z+1)
Double height text...<p>Is here any good routines for printing a font double height?</p><p>I've concocted this ridiculous routine but I'm sure it can be done much better.…
... get the code block to print fixed width, as the top ... (d$,r,c): REM print d$ AT r,c double height
1Removal of "reset on break" protection (old basic program)Hi, Long time lurker, here! This is hopefully quite simple but there's an old basic game in the I'd like to bring up to date / take a look at …
... < THIS
9695 BRIGHT 0
9700 LET E=PEEK ...
9740 LET U=1: PRINT AT 13,12; FLASH 1;"YOU'VE WON"
1: IF E>216 THEN PRINT AT 13,8;"HARD ... LUCK! DNF": BEEP 1,-20: BEEP ...40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... comes in handy.
print at (hires)
[code]
;; input: b=y
;; output: hl=vmem ... 0, 0, 0, 0, 0, 0, 248, 0
.byte 64, 128, 0, 0, 0, 1, 200, 162
.byte 120, 0 ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... -zx-spectrum-games-chapter-1/"]chapter 1[/url] of the guide ... the Sinclair BASIC convention of PRINT AT x,y; where x ... just taking it simply as "PRINT AT y, x".
... was being set as 0 and then two lines ... real game, but you [b]will[/b] be going back to ...So I did a thing...And it's nearly ready for release: [img]http://s18.postimg.org/4453ayo5j/Screen_Shot_2016_03_30_at_16_18_17.png[/img] Apologies for the enormou…
... in expressions - LET b=a+=1 will add 1 to a and ... end by the amount (0 to 1)
You can now ... us get really smooth graphics, at any frame rate
... now be used instead of PRINT
Due to popular ... in Linux versions
PRINT and TEXT could cause a ...Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…
... using 'UDGs' and the ROM PRINT routine.
The 'UDG ... HL pointing at graphic, DE at screen
ld b,32 ;16 ... , 1, 240, 1, 0, 0, 248
defb 3, 0, 0, 248, 1, 0, 0, 248, 0, 0, 0, 248, 0, 0, 0, 252, 0, 0,Speeding up programs by hacking the SysVarsPositively pleased to properly discover this area of the forum! I have a couple of recent tricks that might be of interest - they're probably old hat…
... to [b]7.0 seconds[/b] ([b]352.2 frames[/b]) or [b]~4.5%[/b].
Overall time in seconds remaind at [b]7.0[/b] but the frame count ... FOR R=0 TO 21: FOR C=0 TO 31: PRINT AT R,C ... Profiler results were [b]7.1 seconds[/b] ([b]354.4 frames[/b]).
