-
Z80AsmI've been using the Z80 PC Assembler 1.2 by Peter Hanratty and found that the RST 8 instruction assembles to 200. It should be 207. Ret Z is 200 wh…
... with dZ80 2.0
;
; on Thursday, 19 of December 2013 ... with dZ80 2.0
;
; on Thursday, 19 of December 2013 ... -
Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…
... are discarded. The BASIC is 19 bytes shorter as well.
0 or 1 are referenced over ... -
Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…
... 't actually doing a PAUSE 0 but a PAUSE 7997 as ... to PAUSE_1 which takes the delay from the BC register which ... " takes 25 bytes whereas "PAUSE 0: CLS:" takes 11 bytes, plus ... -
Old software shops that have come and gone.One that i remember fondly was Software Plus in Great Yarmouth, i bought my copy of Streetfighter II C64 there, and also a little gamestore in the Ma…
... .811405,-2.120826&spn=0.000003,0.003659&hnear=Foregate ... &t=h&z=19&layer=c&cbll ... .811405,-2.120826&spn=0.000003,0.003659&hnear=Foregate ... &t=h&z=19&layer=c&cbll ... -
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…
... of 4,9,14,19 as it adds 0,5,10,15 ... .globalnet.co.uk/~jg27paw4/pourri/0-surc-contents.htm]Spectrum Utility ... -
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…
... of 4,9,14,19 as it adds 0,5,10,15 ... .globalnet.co.uk/~jg27paw4/pourri/0-surc-contents.htm]Spectrum Utility ... -
mirroring bitsIf I have a string of 1408 bytes, each of which has one bit 'b' set, what's the shortest way of mirroring that string, so that each bit set at positi…
... ,bf,7f
add a,0
daa ; -> 64,63 ... ; -> 20,1f,1e,19,18,10,0,30 (49 bytes)
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…
... ATTR (0,0): PRINT ATTR (0,1): PRINT ATTR (0,2): PRINT ATTR (0,3 ... /> 3001 INK 7: PRINT AT 0,0;"01234567890123456789012345678901"
3010 INK 2 ... ,24;"\b": PRINT AT 19,0;"\b": PRINT AT 19,15;"\b": PRINT ... AT 19,24;"\b": PRINT AT 20,0;"\b": PRINT ...really dumb questionbut can I use the following line to create a udg and if so how do I call it or use it via the graphics mode? Do I need to READ something somewhere? …
... 138,113,0,28,162,64,128,0,32,192,0,-1< ... ,56,0,56,68,128,128,0,16,224,0,-1< ... ,34,81,142,0,224,16,0,128,128,68, ... ,200,20
19 DATA138,113,0,113,138,65,46 ... ,17,40,199,0,192,32,0,128,64,162, ... 23676,p-i:PRINT AT 0,0;"{A}{B}{C}{D}{ ... 23676,p-i:PRINT AT 0,0;"{A}{B}{C}{D}{ ...ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
... from the default order of 0,1,2,3... and so ... and we're at line 0. In that case - at least ... is to adjust the initial delay (from the beginning of an ...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…
... ,55,8,31,
52,19,14,10,3,61,11 ... ,47,76,0,1,0,76,0,0,0,4,0,
0,0,0,1,0,0,0,0,0,1,0,76,76 ... ,76,76,76,
0 ... ,1,0 ...Mirroring UDG'sJust wondered is there a quick an easy way of mirroring UDGs (byte values)? i.e. BIN 11110000 becoming 00001111 etc.
19 cycles (not counting the "ld ... , table
... ;a=ABCDEFGH carry=0
rra ;a=0ABCDEFG carry ...
rra ;a=HGFEDCBA carry=0
[/CODE]
The ...Mirroring UDG'sJust wondered is there a quick an easy way of mirroring UDGs (byte values)? i.e. BIN 11110000 becoming 00001111 etc.
[QUOTE=antoniovillena;748507]19 cycles (not counting the " ... table
... ;a=ABCDEFGH carry=0
rra ;a=0ABCDEFG carry ...
rra ;a=HGFEDCBA carry=0
[/CODE]
...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…
... SP,$5822+ROWREPT*32+19 ; reference columns 19 and 20
LD BC,nn ; columns 19 and 20 (*)
PUSH BC ... ; columns 19 and 20
PUSH DE ... /> LD BC,5
DELAY:
DEC C
...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…
... SP,$5822+ROWREPT*32+19 ; reference columns 19 and 20
LD BC,nn ; columns 19 and 20 (*)
PUSH BC ... ; columns 19 and 20
PUSH DE ... /> LD BC,5
DELAY:
DEC C
...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…
... ,55,8,31,
52,19,14,10,3,61,11 ... ,42,70,0,1,0,76,0,0,0,4,76,
0,0,0,61,0,0,0,0,0,1,0,0,61 ... ,76,47,47,
0,0 ... ,16,70,0,1 ...Exploding routineI've been mucking about with 'Explode' from YS Program Pitstop, but I can not get it to work independently of the basic program. LET L=USR 61456 doe…
... to this area
k: delay factor. Greater values produces slower ... left corner, which is position (0,0). Range is to 255 and ...PlusDlite problems with 128K modelsLast year I developed the PlusDlite, and already shipped out a couple of them. Only recently I discovered some problems with 128K models. I remember…
... that enable +D functionality with delay after power-on. (see divide ... should be a power-on delay for the CPLD logic.
Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... 's essential to include a delay loop in order to see ... .globalnet.co.uk/~jg27paw4/pourri/0-surc-contents.htm]Compendium[/url ... ;will always bring in a 0 as OR resets Carry
Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... enough to put in a delay loop somewhere. Note that ... be set with BORDER 0 and POKE 23624,0 (BORDCR). (Actually, ... ; 000000GH IJKLMNOP
ld bc,0
ld (CHANGED),bc
0 as OR resets Carry
Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... enough to put in a delay loop somewhere. Note that it ... be set with BORDER 0 and POKE 23624,0 (BORDCR). (Actually, I ... /> Thanks also regarding POKE 23624,0 (BORDCR). I didn't know ...Colission detection problems.G'ah...it's always the same (I've asked before too) - I'm always struggling when it comes to doing box colission checks, so I'm basically hoping you …
... />
ALIENLOOP LD A,(IX+0)
OR A ; is ... MISS
CP 19
JP NC,NXTSHOT2
LD (IX+0),0
; TRANSFER COORDS OF ...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]
... /> [code][center]* +("DARK" AND R= 0)
PR l +("PRISON" AND ... t +("WORSHIP ROOM" AND R=19)
T +("TOILETS" AND R ...Help with 1-bit sampled soundHi all, I've been sent over this way from the CPC Wiki forums as you guys may be able to help me more specifically with a programming query. Firstly…
... Spectrum has a resistor/capacitor delay circuit involved (I seem to ... speaker terminals showed going from 0 to 1 to only take ...Z80 Asm EditorHi, I think this goes in here but if not then the mods can move it.... :) I have been knocking up a multi-tabbed, customizable docking editor for w…
... ]
I was going to delay this for a few days ... March 2013 (RELEASED build 1.0.5195.34143)
**FIXED**: Alpha ...Another scam emailJust got another one of 'those' emails. Love email addy 'Frank Smith [fex.courier.company@gmail.com ]' Anyway... I want to inform you that the …
... /> To: mjlambert@
Sent: Wednesday, 19 March 2014, 14:18
delay.
Important Notice; Do ...128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... ; 32783 237 120
BIT 0, A ; 32785 203 71
L_802E: LD HL, 0 ; 32814 33 0 0
LD DE, 2048 ... 252
INC DE ; 32895 19
ADD HL, DE ; 32896 ...New bicolour game coming very soon.And they say budget software houses can't afford to advertise :-D [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/elstompo_advertsmall_…
... SP,$5822+ROWREPT*32+19 ; reference columns 19 and 20
LD BC,nn ; columns 19 and 20 (*)
PUSH BC ... ; columns 19 and 20
PUSH DE ... /> LD BC,5
DELAY:
DEC C
...
