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Where to start?Hi all, I wanna start coding something for the speccy. I have good experience at C/C++ and some other languages. I have coded asm on pc too, and ma…
... /> defb 33,21,15 ; load hl pair with starting coords.
ld (plx),hl ... defb, is loading anything into hl? I have taken it from ... it like that, surely just LD HL,$1521 and a comment to ... -
Where to start?Hi all, I wanna start coding something for the speccy. I have good experience at C/C++ and some other languages. I have coded asm on pc too, and ma…
[QUOTE=Alcoholics Anonymous;179251]33 is the opcode for "ld hl,nn" so it ... entered as defb rather than "LD HL,xxx" because it's a ... which is to load the HL pair with a single 16 ... like this:
[CODE]LD HL, 256*x+y[/CODE] -
Where to start?Hi all, I wanna start coding something for the speccy. I have good experience at C/C++ and some other languages. I have coded asm on pc too, and ma…
... /> defb 33,21,15 ; load hl pair with starting coords.
ld (plx),hl ... defb, is loading anything into hl? I have taken it from ... of defb 33,21,15 it should read ld hl,21+256*15 ... -
My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... more optimized for unrolled. Just 33 T-cycles per attribute. It ... [0-7]
LD HL,SourceAttributeData
LD BC,#5800
ADD ... ,TABLE>>8
LD D,A
; ... /> LD E,(HL)
LD A,(DE)
LD (BC),A
INC HL
Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... .
The "small" solution (33 bytes, 96 T cycles overhead ...
sub l ; 4
ld hl,base + ( 256 - d2 )
; 10 ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... /> pop hl
push de
ld de,33
add hl,de
pop de
push hl
hl)
dec hl
rl (hl)
dec hl
djnz loop
ld hl ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... /> ld c,0
ld b,9
push hl
ld de,33
.loop
pop hl
add hl,de ...
push hl ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... /> ld hl,49152
ld bc,(9*256)
push hl
ld de,33
.loop
pop hl
add hl,de ...
push hl ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... /> ld hl,49152
ld bc,9*256
push hl
ld de,33
.loop
pop hl
add hl,de ...
push hl ...Help hacking Split PersonalitiesI`ve been hacking away at Split Personalities for the purpose of putting new screens and graphics (items). The current screen is at 41187 and is 160…
... /> org $d34a
ld hl, ($d892) ; patched ix to hl (next packed scr ... ld c,(hl)
inc hl
m3 dec b
push hl
ld ... , $20, $34, $ec
defb $33, $b2, $0c, $b0, $26, $34 ...Splitting Images tzx maybe not perfectI've been hacking this game and its loader. Also the save routine is intact in this game. It saves a block with a pilot length of 801 pulses. Test…
I have version 2.33 Maketzx, would appreciate a newer ... /> dec hl
ld ($a241), hl
jp l_a262
l_a27e: ld hl, $51e3
ld (hl ...
ld (hl), $c0
ld hl, $53e4
ld b, $17
l_a2b0: ld (hl), $ff ...Something completely different (new game tech-demo)Since finishing Stranded 2.5 (available soon from Cronosoft - plug!) I've been playing with the idea of doing an attribute-based, rather than pixel-b…
... 253 9 15ts
ld hl, 44303 ; 41462 33 15 173 10ts
ld hl, 0
ld de, 0
ld c, %01111111
ld b ... /> loop
ld a, (hl)
and c
ld (de), a
Getting Lifeguard to workI'm struggling with this Muliface utility to find infinite lives cheats. I can get the program to load up, and when I load a game and press the red b…
... stepped. The first one is LD HL,95EB so I pressed M ... follows:
DEC (HL)
LD A,(HL)
CP 2F
LD HL,95EB
LD (HL),39
So ... , changing $8A67 from $39 to $33 should ...Need Help with codeHi there, let me preface this by saying I'm NOT an old school computer guy though I do remember using the internet before the WWW and my first comput…
... executed.
LD C,A loads c with ... .
INC (HL) increments the byte at the ... location pointed to by the hl register pair.
LD HL,nn loads the hl register pair with nn ... , 201, 79, 52, 3, 33, n, n. Unless that means ...Frightmare rzxI have watched recording of Frightmare recently: [url]http://www.rzxarchive.co.uk/f/frightmare.rzx[/url] Do you also have the impression the the gu…
... $2e, $2f, $30, $31, $32, $33, $16, $1b, $34, $35, $36 ... bug :-
[code]
b102: ld a, (iy+$05) ;first word ... nc, $b110 ;yes
b10b: ld (iy+$05), a ;no, so ... : jr $b0de
b110: ld a, (ix+$06) ;second wordJetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
...
LD HL,String3+6
CALL CreateHexString
LD A,33 ;Print ... PASS message in GREEN
LD (QP_ATTR),A
LD HL ... /> LD A,33 ;Set Background to green
LD (QP_ATTR),A
LD HL ...So you want to make a cardgame......but you haven't got a good deck to display. Well here is a fully relocatable routine that will do the job for you. Place the code anywhere in me…
... LD HL,14
ADD HL,SP
LD SP,HL ; undo USR command
LD HL ... DEFB 113,69,33,149,241,133, ...faster bitwise operators?well, sinclair basic lacks bitwise operators and I searched "basic forum" with keyword "bitwise" and only 3 thread came up. So the forum also lacks b…
... A, (C) ;
LD HL, SaveLoc ; HL=Memory location to dump key ... />
loop1:
LD (HL), C ; Memory Location = 0 ... br /> skip1:
INC HL ; Move to next memory ... , 254, 239, 237, 120, 33, 20, 91, 1, 0, ...New member here. And a spider! :)Hello everyone. My name is Sekrets. I'm quite a lonely individual, searching for a digital home where I might find fellow speccy enthusiasts to adopt…
...
ld hl,line
ld b,(hl)
ld hl, col
ld c,(hl)
11 ex (sp),hl
12 ld h,e
13 ... ..191
18 ; exit : hl = screen address
19 ; ... /> 32 ld l,a
33
34 ld a,h< ...FMV on +3eOK, so about 6 months ago i posted here that i got full motion video on +3e, with a bunch of scr files called passion. I added the glider rider music…
... :
[code]
ld hl,sample
ld de,table
exx ... is 8bit signed:
; ld a,(hl)
; add a,#80 ... is 8bit unsigned:
ld e,(hl)
ld a,(de)
...
32 9
33 9
34 9
+3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…
...
80 DATA 255,255,33,0,0,57,197,221 ...
chk: ld hl, 0
add hl, sp ;HL = current stack pointer ... hl ;HL = entry address
inc hl
inc hl ;HL = filename parameter
ld ...Die Rolling sound?Digging out my old Fighting fantasy programs (so far unsuccessfully... thanks c60) had me wondering how I'd program it these days. Hopefully better,…
... ,$0000 17 0 0
LD HL,$00C8 33 200 0
CALL ... /> 2 DATA 17,0,0,33,200,0,205,181,3 ...Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
...
ld hl, 0000 ;10
ld (sp1 +1), hl ;16
add hl, de ...
ld hl, 0000 ;10
ld (sp2 + 2), hl ;16
add hl, de ... significant byte of parameter in LD SP,xxxx
so it could ...compressing basicI thought I'd ask here instead of the basic forum.. in the sense of giving me 1 command line, and NOT the whole listing joined up etc. and it uncom…
... * 2048
25616 33 59 100 LD HL,STACK ;HL=base of program stack ... * 2048
25645 33 59 100 LD HL,STACK ;HL=base of program stack ... program#
25650 33 0 92 LD HL,23552 ;HL=start of system ...Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
...
z80stub db 33,0,65 ; ld hl,16384+256
db ... 17,0,255 ; ld de, ... 64 ; ld sp,16384+240
db 225 ; pop hl
... '
db 225 ; pop hl
db 209 ; pop ... 33,0,0 ; ld ix,0
reg_iy db 0FDh,33,0,0 ; ld ...Mikie tape error?I purchased a copy of this to play on my +2B, but something strange happens once it appears to have loaded. The screen goes black with lots of heart…
... ; a7b4 ed 47 $09ts
ld hl, $a7c3 ; a7b6 21 c3 a7 ... /> 9030 DATA 30000,94,221,33,203,92
9040 DATA ... 241,243
9070 DATA 33,253,94,229
9080 ... 253
9110 DATA 97,33,64,248
9120 DATA ... /> 9170 DATA 34,71,248,33
9180 DATA 140,248 ...Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... ,33,0,0 ; ld ix,0
reg_iy db 0FDh,33,0,0 ; ld ... = Pointer to registers HL and BC
; > HL = Pointer to repeated ... />
restore: ld (hl),c ; 1
inc hl ; 1
djnz ... />
pop hl ; 1
pop bc ; 1
ld sp,0 ...Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve
... 221
80 DATA 33,75,91,17,17, ... DATA 2,207,26,221,33,75
110 ... the BASIC program area
ld hl, (l_5c59) ; E_LINE - address ... Program' header, try again
ld hl, (l_5c53) ; We need to ... call MAKE-ROOM
ld hl, (l_5c53) ; HL = PROG. We set ...Oscilloscope Speccy ProgramHi all, I remember very well in the old days when my Speccy was my single computer (around 1992) that I have had an oscilloscope software. This uses…
... ,0,175,17,0,0,33,0,0,
35, ... NEXT N: RETURN
ld bc, $af00 ; 7f58 01 00 ... ; 7f5b 11 00 00
ld hl, $0000 ; 7f5e 21 00 00 ... ; 7f69 10 f6
ld b, d ; 7f6b 42
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... ; di
source db 33,0,0 ; ld hl,0
db 17 ...
restore db 33,0,0 ; ld hl,0
value db ... />
z80_stack db 113 ; ld (hl),c
db 35 ; inc ...
reg_hl db 33,0,0 ; ld hl,0
reg_bc db ...
