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What's going on with the ftp world of spectrum ? hi i 'm a regular user of the ftp world of spectrum For 2 weeks, the ftp is unreachable, connection failed, the ftp seems down. Here too, dead li…
just to prove a point. I have just ... n d e r W a r e R e s e a r c h ... C e n t e r ... You are user 21 of a possible 150 in your class ... "/" is current directory.
TYPE A
200 Type set to ... A.
PASV
227 ... -
Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... peripheral ID. This means a Spectrum with these peripherals ... ld hl,$f000
ld de,$f001
ld (hl),$f1
ld ... bc,257-1
ldir
ld a,$ ... f0
ld i,a
im 2< ... -
Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... practicalities of implementing it in a player :
... [/quote]
A normal tracker can update the ... PUT NEXT ENVELOPE
ld de,TIME TO NEXT ENV ... /> dec de
ld a,d
or e< ... applied to a constant amplitude rather than a square wave). ... -
need help in codingI have an address in HL, which I must save in memory buffer (for example at address buff1) with shift (for example taken from memory address shft1). …
... /> LD HL,addr1
LD B,0
LD A,(buff1)
LD C,A
ADD HL,BC
LD (HL ... ),E
INC HL
LD (HL),D
There ... -
ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…
... ; save the
LD E,$94 ; timing value.
;; TRAILER
L0388: LD B,$1A ; counter to twenty ... BIT 7,E ;
LD A,E ;
JR C,L0388 ... -
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
... ,normalbyte ; gonna mirror this
LD A,B
AND 129 ; checking ... bits
LD C,A ; storing it here
nxt0 LD A,B
OR C
LD C,A
nxt1...
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
... />
LD A,normalbyte
LD H,tablehighbyte
LD L,A ; tablelowbyte
LD A,(HL ... - you loose 256 bytes in a table but you want to ... make a game and speed is key ... 256 bytes which is a lot less than a load of sprites ...help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
... s idea:
ld a,b
.swap7-0
and 129
ld a,b
jp pe, ... br /> and 66
ld a,b
jp pe, ... br /> and 36
ld a,b
jp pe, ... br /> xor 36
ld b,a
.swap4-3
ld a,b
xor 24
ld b,a
...help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
Java method to mirror a byte (from SPECSAISIE 1.3 - ...Adventure type-insI know there are many adventure enthusiasts in here. Did any of you type-in adventure listings from magazines or books? If so, do you still have a …
Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]
... ; e = ---- 7654
ld (hl),a
rld ; a,(hl) = cccc cccc , LLLL ... , IIII = middle
ld (hl),a
rld ; a,(hl) = MMMM MMMM , ... '0'
ld (hl),a
inc hl
ld a,(hl)
djnz ...Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]
... *7654)
ld c,a ; c = hundreds position BCD
ld a,d ; a = BCD ... (7654)
add a,a ...
daa
ld d,a ; d ...Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]
...
ld e,a ; e = BCD(3210)
ld a,(hl)
or a ; clear ... digits
ld (hl),a
inc hl
ld a,(hl)
djnz ...Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]
...
FILLZEROS LD (HL),C ;XX17 put a zero
... #2E ;XX1E == LD L,(STORE+2)%256 = LD L,#2B
LD A,(HL) ;XX21
CP ...Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]
... ; b = -1 , c =-1
LD A,E ; the byte
L100 ... B ; inc 100's
LD D,A ; save rest
SUB ... NC,L100
LD A,D ; get rest
LD (HL),B ; store ...Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]
... +#30 , c =-1+#30
LD A,E ; the byte
L100 ... B ; inc 100's
LD D,A ; save rest
ADD ... C,L100
LD A,D ; get rest
LD (HL),B ; store ...Hippo New EarHello chums... I'm off out soon, so I'll post this just now :) Happy New Year! (erm, when it comes [1]) Toodle-pip! Gerard [1] (Fnar?! Ed)
[Still recovering from a hangover...]
G E L U K K I G N I E U W J A A R ! :)New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…
... trivial case where all a program does is to ... copy graphics bytes from a bit of memory to ... happens if a program does (say)
LD HL,( ... unlikely, but it illustrates a more general point: if ... A after (say)
LD A,(graphics data)
INC A< ...New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…
... what happens if a program does (say)
LD HL,(graphics ... pretty unlikely, but it illustrates a more general point: if the ... in A after (say)
LD A,(graphics data)
INC A
a RRRGGGBB pallette, the screen display ...help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
... mirror a byte is,
ld b, n 7T or ld b ... ,(hl) 7T
ld a, 255 7T
a few numbers. :)
What do ...i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…
... addresses, BASIC is just a big program running, and ... the stack, and executes a CALL to your program, ... and waits for a RET.[/quote]
a human's point of ... s the bit pattern of LD A,(HL)? Would you be ...i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…
... ; RET
1 > LD BC,NN
17 > ... confusion, you need a prefix or a suffix (+leading zero ... s the bit pattern of LD A,(HL)? Would you be ... unless you're doing a self-modifying program that XORs ... that instruction and other at a certain point, then you ...i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…
62
Surely LD A,n ?
Just wanted ... ) being the others).
A couple of others are stirring ...i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…
... /> 1600 DJNZ NN
110000 LD DE,NN
2000 JR ...
210000 LD HL,NN
310000 LD SP,NN
3E00 LD A,N
AF XOR A
C30000 JP ... NN
DD210000 LD IX,NN
FD210000 LD IY,NN
FF RST 38
and a lot ...42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…
... .
PRINT USR START,A$
Where at START ...
[code]
LOOP: LD A,(DE)
do something with ... DE
DEC BC
LD A,B
OR C
Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??
... it like the 48k without a bigger address bus - ... Z80 being available with a bigger bus at the ... . Those without use the LD A,A, LD B,B etc... instructions ... as noone ever uses LD A,A etc instructions as they ... Now if the Spectrum had a built in C/Pascal compiler ...help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
need a Table of 256 bytes stored on a 256byte boundary
on entry: a=byte to mirror
FlipByte:
ld h,TableAdress/256
ld l,a
ld a,(hl)
retMaking a mapI should learn Z80 assembly, but I don't have the time (really busy) and I feel like making a game. I've tried with Colt which gives me enough speed…
... /> ld c,a
ld b,0
ld l,a
ld h, ... pr1: ld a,b 'Y
rst 16
ld a,c 'X ...
rst 16
ld a,(hl)< ... br /> inc hl
ld a,(hl)
rst 16< ...Making a mapI should learn Z80 assembly, but I don't have the time (really busy) and I feel like making a game. I've tried with Colt which gives me enough speed…
... any other address)
LD A,"A" 'the caracter a
RST 16
A in the PRINT USR.)
