-
Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…
... /> 23613/23614 to a vector-adress,
In ... code]
LD HL,ERRORMESSAGE
LD A,(HL)
OR A
...
PRINTREADY:
LD HL,(.....) ; IN BASIC LAST ... LD (23618),HL
LD A,(23623) ; LAST STATEMENTNR EXECUTED (23623????)
LD (23620),A ... -
Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…
... I supposed you could create a table of values relating to ... do something like:
LD L,shiftreg ; thing we're ... table ; point to a 256 boundary table
LD A,(HL) ; get shifted ... could always load into A first - shifting a memory location repeatedly is ... -
Cronosoft - NEW SOFTWARE HOUSE - FIRST RELEASE NOW AVAILABLEHI EVERYBODY! I'm really pleased to announce our first Spectrum software release: EGGHEAD IN SPACE by Jonathan Cauldwell The third in the EGG…
... ;t get passed it without a R Tape Loading Error. It seemed ... tucked up somewhere hibernating for a good few years - so I ... . This means that I have a tape recorder hooked up to ... -
Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…
... (HL) by four and insert A's LSB into the empty ... of A.
So
LD A,1F
LD (HL),A
LD A,2E ...
RLD
WIll give A = 21 ... same way RRD will do a right rotation. -
Question about CP Z80 instructionSorry if this is the wrong folder, but it seems the most appropriate. When performing a CP instruction, is the P flag set when the compared values …
... wrote:
When performing a CP instruction, is the P ... equal? For example....
LD A,3
CP 3
20 ENT
30 LD A, 3
40 CP 3 ... -
PSI ChessHi, Anybody out there remember the game "PSI Chess" by The Edge? Well, there seems to be no problem finding a snapshot ot tape image for this game …
[quote]
On 2003-03-23 15:04, Ed wrote:
The opening post on this thread was my first ever on WoS!
[/quote]
m-a-r-t-I-J-N!!! There appears to be an error with the dating system... it's not adding BC to the end of the year. :D -
PSI ChessHi, Anybody out there remember the game "PSI Chess" by The Edge? Well, there seems to be no problem finding a snapshot ot tape image for this game …
... !
[/quote]
m-a-r-t-I-J-N!!! There ... /> Yeah, the code probably has a bug in its Sanskrit parser ... -
Question about CP Z80 instructionSorry if this is the wrong folder, but it seems the most appropriate. When performing a CP instruction, is the P flag set when the compared values …
... ' JP instruction! I had quite a few nightmares working out the ... /> ld hl,16384
ld de,32768
ld bc,16384
loop ld a ... hl ; but copy
ld (hl),a ; high to low
inc ... -
unreleased games and beta versionsAre there any alternative beta versions of games, or games that were never released at all in the archive. I dont seem to be able to find any. There …
... aren't complete and in a few cases the same title ... beta of Martech's W.A.R's is called Ad Infinitum ... final game!) but there is a significant difference in the number ... -
unreleased games and beta versionsAre there any alternative beta versions of games, or games that were never released at all in the archive. I dont seem to be able to find any. There …
... aren't complete and in a few cases the same title ... beta of Martech's W.A.R's is called Ad Infinitum ... final game!) but there is a significant difference in the number ... />
Where can we get a copy of Ad Infinitum from ... -
unreleased games and beta versionsAre there any alternative beta versions of games, or games that were never released at all in the archive. I dont seem to be able to find any. There …
... Where can we get a copy of Ad Infinitum from ... .hu/sk/c64/games/a/a.htm"]http://web.externet ... a/a.htm[/url]
...otherwise i can't help. W.A.R ... on the C64 is a totally different game ... CPC versions, it's a Uridium-esque horizontal scroller ... -
unreleased games and beta versionsAre there any alternative beta versions of games, or games that were never released at all in the archive. I dont seem to be able to find any. There …
... .externet.hu/sk/c64/games/a/a.htm"]http://web.externet.hu ... /a/a.htm[/url]
...otherwise i can't help. W.A.R ... on the C64 is a totally different game ... and CPC versions, it's a Uridium-esque horizontal scroller with ... -
unreleased games and beta versionsAre there any alternative beta versions of games, or games that were never released at all in the archive. I dont seem to be able to find any. There …
... beta of Martech's W.A.R's is called Ad ... game!) but there is a significant difference in the number ... and then each has a couple hundred or so the ...
[url="http://www.cd-r-direct.co.uk/C64GAMES.htm ... only the inlays were a bit different or translated.
Best car boot findsAs a follow up the the 'Speccy in a bin' thread..... What is your best Speccy(ish) related car boot/jumble sale/charity shop find? My highlight was …
... 98 at went to a well known car boot ... am , i spotted a spectrum + boxed on a stall , next ... sinclair , your spectrum and a huge box of spectrum ... in great condition including a R.A.T , a games board , interface ... bobs , i nearly had a fit , he asked for ...Finding the length of loaded Bytes:Is there a way from BASIC of finding out how big a block of bytes loaded from tape was? i.e. - if you do LOAD""CODE and load in a lump of bytes, ca…
... .
LD IX,STARTADDRESS
LD DE,LENGTH
LD A,255 (for ... data, XOR A for header ... /> LD IX,START
LD DE.LENGTH
LD A,255 (or XOR A)
Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... there are routines to scroll a character in every direction. ... more, we might giveyou a suggestion which you could use ... />
[code]
AGAIN LD A,00000000% Select all rows, every ... selected row
IN A,(254) Read the selected rows ...Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... (pressed or not):
ld a,0111 1111 ; row #7 active ...
in a,($fe) ; read keyboard
; a = status of ... thing:
ld bc,$7ffe
in a,(c)
a close connection between character coordinates ...Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
... Having, for each shift position, a copy of each sprite. This ... ???
2. Having a shifting table, along these lines ... br />
pop l
ld a,(hl)
and (ix+0 ... /> or (hl)
ld (ix+0),a
inc ix
Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
... for each shift position, a copy of each sprite. ... /> [quote]2. Having a shifting table, along these lines ... br /> pop l
ld a,(hl)
and (ix+0 ... or (hl)
ld (ix+0),a
inc ix< ... 're just or-ing a with a.
...Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
...
pop l
ld a,(hl)
and (ix+0 ... or (hl)
ld (ix+0),a
inc ix
ld l,c
ld a,(hl)
and ... (ix+0)
ld l, ...compatibility between ZX computers?Hey all, I'm new here :) I was wondering about compatibility between ZX computers. Is it possible to run a game made for ZX80 on a ZX Spectrum? Or a …
... ] This version does not contain a menu activated by pressing 1 ... to 'error'routines like
LD A,(HL)
RST 8 etc ... /> RST 8 needs to make a call to #0008+Start_in_RAM_Spectrum
a BASIC waitingloop.
AssemblersOk, two quick questions for you guys: 1) Can anyone give me a link to the Prometheus Assembler ? 2) Does anyone know of an assembler that satisfies …
...
;-------------------------------
; a simple printroutine
; start with ... br />
ld hl,text
loop ld a,(hl) ; fetch data ...
or a
ret ...Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…
... E933
E924 LD (EA44),DE
E928 LD B,E
a RETurn or a JP (jump) to find ... code in DE?
E903 LD A,D ; Take the high-byte ... of 256
E906 LD,A ; times 0,1,2 or ... 3
E907 LD HL, 999
E90A ...Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…
Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…
... at E97A
E8EE 7C LD A,H
E8EF B5 OR ... /> E8F0 67 LD H,A
E8F1 22 44 EA LD (EA44), HL ... held here
E8F4 7D LD A,L
E8F5 CB 3F ... (EA44)
E903 7A LD A,D
E904 E6 03 ... our code
EA28 7C LD A,H ;
EA29 0F RRCA ...128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
But if port 32765 could be read then it'd be:
LD BC,32765
IN A,(C)
OR,
LD A,#7F
IN A,(#FD)
[ This Message was edited by: Woody on 2003-08-17 18:16 ]128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
... /> So,
DI
LD A,(23388) ;Get current value for ... new page number
LD (23388),A ;Put new value back into ... 23388
LD BC,32765 ;Set ... for write
OUT (C),A ;Write new value to port ...128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
... br /> DI
LD BC,32765
LD HL,49152
LD A,(HL)
OUT ... (C),E
LD (HL),A
INC L ... NZ,LOOP
LD A,(23388)
OUT (C ...ask to Spanish-speaking personsHello there. Who would be able to translate one short text for me? I used BabelFish site, but it isn't very good in this case. The text is here: …
... /> A polish with a Timex. A czech with a ZX Spectrum 128k, a russian with a ... Scorpion 256, another czech with a ... future.
S.T.A.R.
[z-?@tinet.org]
Problem running these gamesI just haven't been able to run the games "The Master" & "The Sacred Sword" (by Topo Soft) in Spectaculator (5.1). Sacred Sword does run in Spin (I…
... 5D1F:
LD A,FF
SCF
LD HL,5D2F ;return ... />
5D2F:
LD A,FF
SCF
LD HL,6000 ;return ... addr
LD IX,5FFA
LD DE ... ,B101
LD SP,5CF0 ...
