-
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…
... just change the names in the NUMBERS and STRINGS ... PRINT STR$ USR (LMUL10+3): GO TO 101
;transfer the 8 BASIC variables into 8*2-byte registers
;6 alternate registers (2 bytes, 0-9999 ... HH: equ WORKSP+20
LL: equ ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... (columns 5 and 6)
PUSH DE ; 11 T (columns 3 and 4)
PUSH HL ; 11 T (columns 1 and 2)
8 T simply grouping the first 2 PUSHes:
the 20 columns idea... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... the 20 ... and 6
; 16408T
PUSH DE ; columns 3 and ... and 2
; 16440T
LD SP,nn ; reference columns 19 and 20 ... ; columns 7 and 8
; 16571T ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... and 6
; 16168T
PUSH BC ; columns 3 and ... ; columns 7 and 8
; ... and 2
; 16680T
LD SP,nn ; reference columns 19 and 20 ... the ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... columns 7 and 8
... and 6
; 16465T
PUSH DE ; (*) columns 3 and ... and 2
; 16497T
LD SP,nn ; reference columns 19 and 20 ... the Spectrum model and then unpack the ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
...
.current_edge:equ $+2
;; d: current ... and carry flag) now set/clear
or 8 ; set bit 3 ... the zero pulses between 9 and 10 iterations; the zero pulses between 20 and ... 6-8 iterations, one 15-18 iterations. The ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... ; adjusted from estimated 6
.zero_pulse_max:equ ... counter
.current_edge:equ $+2
;; d: current ... and carry flag) now set/clear
or 8 ; set bit 3 ... within -15% and +20% of the "spec". -20% seems to work ... -
i am currently listening to........as i couldnt seem to find the old one, i didnt look that hard :P ive started a new one right after somebody asked me for some slayer ive rediscovere…
... Tulsa - Gene Pitney (2:57)
6. 905 - The Who (3:57)
7 ... :05)
18. Activ 8 - Altern 8 (3:28)
19. Addicted To ... - Donovan (2:43)
74. Come And Get It - Badfinger (2:20)
75 ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... 6
.one_pulse_max:equ 20
;; the values that the ... 256-(2 * .one_pulse_max)
;; this is the minimum ... /> or 8 ; set bit 3 to make ... the sampling loop and a maximum of 42. The previous minimum and ... -
GAC Tutorial Started!Hi all. I have a Youtube channel where I play old games and such. I also do a few programming tutorials. I have recently added a Graphic Adventure Cr…
... 7
out 8
leave 8
exit 8
enter 7 ... treasures. The exit is to the west."
*exits
west 6
IF ((verb 20) and (no1 > 0) ) mess 138 ... ((verb 19)and(noun 101)and(res? 3)and(carr 2)) set 3 mess 136 wait ... -
I have done a Spectrum Screen Design Template As PDFI use this for my games, to work out attribute and screen addresses. It is A4, to be printed landscape [url="http://www.peargames.co.uk/downloads/s…
... ) Attr Row
1 2 3 4 5 6 7
0 16384 ... 18400 22752 7
8 18432 +2K 18688 18944 19200 ... 22112 22368 23136 19
20 20608 20864 21120 21376 21632 ... run out of attributes and are into the ordinary / contended / ROM- ... -
How much does Bifrost improve graphics (test 192x192 graphics)Inspired by the BIFROST library I made several experiments with 8x1 graphics at 192x192 resolution. The results are now overwhelming but under certai…
... 8 and 9
; 15952T
PUSH DE ; columns 6 and ... PUSH DE ; columns 2 and 3
; 16000T
20 and 21
; ... the above routine multiple times, alternating between DE, BC and ... -
How much does Bifrost improve graphics (test 192x192 graphics)Inspired by the BIFROST library I made several experiments with 8x1 graphics at 192x192 resolution. The results are now overwhelming but under certai…
... ; 15968T
PUSH DE ; columns 2 and 3
; 15984T
PUSH DE ... ; 16068T
PUSH DE ; columns 20 and 21
; 16079T
PUSH ... columns 6 and 7 in first character row. And the first 8 columns of the ... -
IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…
... space
filled
Bytes 6...10 - Type (ASCII) left justified ... s an example from the manual:
(Chapter 8, part 26 [url ... is ROM 3 (the 48 BASIC ROM). The RAM page at the top of ... range
4000h...BFE0h, and ROM 2 (the DOS ROM) switched in at ... -
SCREEN$ bug fixI've been using the SCREEN$() function recently for reading data off the screen rather than taking up space with an array and I got fed up with the s…
... for the lower 8 block graphics ($80-$87)
; and ... /> ; 1=BLOCKset/2, 2=UDGset, 3=CHARSset; defaults 8, 21, 96
ld bc,6
add ix,bc ... $ adjustment
cp $20
jr nz,NoSpace< ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... tried shoving together the IM2 demo and the sp1 demo and the speccy noly does ... ,1,2}, {0,2,1}, {0,1,3},
{0,3,1}, {0,2,3}, {0,3,2 ... },
{0,2,4},{0,2,5}, {0,2,6}, {0,2,8}, {0,2,9}
20… -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... the sp1 library will call these functions
// to allocate and ... 2}, {0,2,1}, {0,1,3},
{0,3,1}, {0,2,3}, {0,3,2 ... 0,2,4},{0,2,5}, {0,2,6}, {0,2,8}, {0,2,9 ... created by SevenuP v1.20
; SevenuP ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... downloaded z88dk again and it doesnt need the TICKS variable anymore like ... ,1,2}, {0,2,1}, {0,1,3},
{0,3,1}, {0,2,3}, {0,3,2 ... },
{0,2,4},{0,2,5}, {0,2,6}, {0,2,8}, {0,2,9}
20
; SevenuP (C) Copyright 2002 ... -
Collision Detection in SP1Hi, Does anyone have a well-documented example of using collision detection in spritelib. I've search WoS and Z88DK forums but no joy. Something wi…
... the sp1 library will call these functions
// to allocate and ... 2}, {0,2,1}, {0,1,3},
{0,3,1}, {0,2,3}, {0,3,2 ... 0,2,4},{0,2,5}, {0,2,6}, {0,2,8}, {0,2,9 ... created by SevenuP v1.20
; SevenuP ... -
Collision Detection in SP1Hi, Does anyone have a well-documented example of using collision detection in spritelib. I've search WoS and Z88DK forums but no joy. Something wi…
... out all the code that happens when 2 sprites collide and it still ... tol);
#define MAX_SPRITES 6
#pragma ... ,1,3,0},
{0,3,1,0}, {0,2,3,0}, {0,3,2,0 ... /> add a,a ; multiply by 8
add a,a
DIM DATA and the likeSo...I'm trying to work out arrays in BASIC a bit more and have knocked up the following quick test bed to fiddle about with before trying anything m…
... to be 1,2,3...9,10 etc. All fine and dandy - I ... RND so that the 10 errrr "positions" within the array can be ... /> [CODE]10 PAUSE 0
20 RANDOMIZE
30 REM array ... (5)
140 PRINT x(6)
150 PRINT x(7 ... )
160 PRINT x(8)
170 PRINT x(9 ...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…
... it, and if you can - a small listing that demonstrates the crash ... AT 2,24;"\b": PRINT AT 3,0;"\b": PRINT AT 3,8;"\b ... b\b\b": PRINT AT 8,6;"\b\b\b": PRINT AT ... b": PRINT AT 20,15;"\b": PRINT AT 20,24;"\b": PRINT ... /> 3170 LET birdh=INT (RND*20)+1
3180 LET birdw ...A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... and 6
PUSH DE ; columns 3 and 4
PUSH HL ; columns 1 and 2 ... nn ; columns 7 and 8 (*)
PUSH HL ; columns 7 and 8
LD ... executing the next one). Certain Z80 instructions take more than 20 T ...A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... and 6
PUSH DE ; columns 3 and 4
PUSH HL ; columns 1 and 2 ... nn ; columns 7 and 8 (*)
PUSH HL ; columns 7 and 8
LD ... executing the next one). Certain Z80 instructions take more than 20 T ...hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... " statement the 'h' variable is 12 bits not 8, but changing ... br />
[code]
3 LOAD "k$()" DATA k$()
6 DIM t(64): RESTORE 100 ... 1 TO 102
20 PRINT #0;AT 0,0 ... c = opcode = 0(OR), 1(AND), 2(XOR), -1 (something else)
INPUT help?Hi folks. :) Brace yourselves, this is probably a very silly question, my BASIC knowledge is very... well, basic... Let's say, for example, I'm mak…
... /> [/code]
... which will restrict the output length to 4 without ... ]
5 INPUT a$
6 LET a=0
7 ... a$
8 IF a$(b)>="0" AND a$(b)=1000 ... GO TO 21
20 GO TO 20-(9 AND INKEY$="")
21 ...Here comes the sunAnybody ever finish this? Theres almost no help out there anywhere for it. [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006427[/url]
...
... and the legend ... (retaining all the spelling errors) ... AND R= 2)
W +("WEAPONS ROOM" AND R= 3 ... 6)
+ +("CORRIDOR" AND R= 7)
EN e +("ENGINE ROOM" AND R= 8 ...quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... just colours the screen.
[*]Lines 5 & 6 set the initial location ... random segments in high memory and the attributes.
[*]Line 28 copies ... /> 2 [b]RESTORE 1: LET da=FN p(23639)+8/[b]
3 ... =256: GO SUB 90
20:
25 LET pa=da ...that "listing variables during runtime" thingWell, I did eventually finish this, but with my meds playing up I don't have much time each day that I can spend at the computer, so it's taken rathe…
... contain the saved system variables and the two m/c routines. Once the routine ... p(23639)+6):
RESTORE 9900: DIM v$(7,20):
... =6 THEN
LET i=i+2+FN p(i+1): PRINT "$" AND ... e4;"()" AND e2;
9905 IF e=3 THEN LET ...
