-
Relocation with SDCCI desperately need auto- relocation with SDCC. Something that will compile all of my code using start address 0 and generate relocation table so that…
... ;fetchLitPair
0000 21r00s00 62 ld hl,#_xmem
63 ; genIpush ... /> 0009 FD 4E 00 68 ld c,0 (iy)
000C ... check that out, but I am using a version from last ... -
Some thoughs about fast scrolling on 128 modelPlease, consider this article as technically interesting concept not a proven algorithm. ONE The fastest scrollers use long sequence of PUSH inst…
... in uncontended time, and doing LD, POP or counting during the ... .[/QUOTE]
I am definitely not arguing! I am just sharing my ... -
Colour whilst PLOTing in MCI am using the ROM PLOT routine at $22E5, how do I control the colour of the results, so I can preferably use INK 8, it seems to have a mind of its o…
[QUOTE=daveysludge;708459]I am using the ROM PLOT routine ...
So
LD A,16
RST #10 ...
LD A,6
RST 16 ... -
Where do you stick the stack?...OK, so I've got a fair chunk of ASM code assembled from 24000 mark. The stack shouldn't get very big, just a few PUSHes and POPs of the main regis…
... all. It's 48K and am not using an interrupt table ... me, and I can just LD SP at the start of ... -
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... I do this...
LD BC,0000
DEC BC ... ... not that it matters I am just curious. -
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... this after I learned about LD. As to my mind after ... bits 0-7 so I am guessing that this means that ... -
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... 0,A
4F ; LD C,A
C9 ; ...
[code]
010000 ; LD BC,0
AF ; XOR ... SET 0,A
4F ; LD C,A
C9 ; ... />
What I am looking for is a logic ... -
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... />
Ok I am cheating and using a ROM ... routine... but I am but a beginer in ... D7 ; RST 10
3E20 ; LD A,20 " "
D7 ; ... ; RST 10
3E21 ; LD A,21 "!"
D7 ; ... can see why I am asking about how to ... -
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... ; RST 10
3E45 ; LD A,45 "E"
D7 ... D7 ; RST 10
3E20 ; LD A,20 " "
D7 ; RST ... ; RST 10
3E21 ; LD A,21 "!"
D7 ; RST ... can see why I am asking about how to ... -
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... /Emacs Threads. (Full disclosure I am a Vim user.)
(Talking about ld A,(ADDRESS) (page 89)
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... through, an instruction that did LD A,(PC) would just end ... whatever the instruction code for LD A,(PC) was into the ... model using the z80??? I am probably totaly wrong but it ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
...
[code]
3E02 ; LD A,02
CD0116 ; CALL ... D7 ; RST 10
3E20 ; LD A,20 " "
D7 ; ... ; RST 10
3E21 ; LD A,21 "!"
D7 ; RST ... at the moment I am just taking the path ...Copying data between memory banks in USR0 modeI am experimenting with Funky Fungus to load the majority of its data (levels, screens, music etc.) into memory banks 1, 3, 4, 6 and (partly) 7 by sw…
... for the advice, but I am still struggling with it. I ... bank 5 as destination
LD HL,49152
... ;reads from source bank
LD A,(HL)
... ;writes to destination bank
LD (HL),A
INC ...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…
... and full DivIDE compatibility. I am currently working at it.
LD DE,... instruction.
[B ...Completely free games?Hi, I would like to know if there are any open source or completely free games for ZX Spectrum. Or at least some other free programs without any lin…
... guy surely worked hard! I am surprised that his ways did ... perhaps worth remarking that I am not encouraging outright stealing here ... in which you can say ld hl, nn : push hl and ...Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... file.
[COLOR="Red"]Am I correct in assuming this ... be
DI
Ld D, 2
Out (127 ...A few questions about ZX Spectrum assemblyHi, I have a few questions about ZX Spectrum assembly language programming: - What's the best assembly tool for ZX Spectrum? I tried a bit the ZXSpi…
... ]ORG 30000
LD HL,16384
LD (HL),255
RET ... idea as far as I am able to determine is to ...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…
... br />
What I am thinking about would be something ... ;Calls loading routine
LD IX, 24576 ;Address of ... br /> LD C, A
LD H, 0
LD B, ... LD B, D
LD B, D
LD B, D
LD ... B, D
LD ...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…
... ]In fact I am using version 0. ... 110
ld (.colour_mask),a
ld a,0xc7 ; ... SET 0,A
ld (.colour_instr),a
... 010
ld (.colour_mask),a
ld a,0xd7 ; ...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…
... ] simple, but after all I am a mere sorcerer's apprentice ... is cyan
ld a,5
ld (.colour),a
endm ...Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... tiny lightshow. I am in control of two ... RET
delay LD HL,42000
dl DEC ...z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
I am not too familiar with the ... c
ld a,l
ld (_LAST_K),a
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…
... /> here is the line:
ld a,#(((SP1V_DISPWIDTH*10):$ffff)+1 ... test this myself as I am at work and only have ...FZX Driver for z88dkAn fzx library for z88dk can be downloaded [URL="https://drive.google.com/file/d/0B6XhJJ33xpOWM2hWNjAxMVkxaEk/edit?usp=sharing"]here[/URL]. The libr…
... font are different but I am curious anyway.
[QUOTE ... ]
(fzx_putc.asm)
ld hl,(_fzx + P_COL) ; l = x ... , h = y coord
ld a,(ix+0) ; a = font ...FZX Driver for z88dkAn fzx library for z88dk can be downloaded [URL="https://drive.google.com/file/d/0B6XhJJ33xpOWM2hWNjAxMVkxaEk/edit?usp=sharing"]here[/URL]. The libr…
... font are different but I am curious anyway.[/QUOTE]At the ... ]
(fzx_putc.asm)
ld hl,(_fzx + P_COL) ; l = x ... , h = y coord
ld a,(ix+0) ; a = font ...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…
... is not working -- I am really busy right now and ... /> jr z, eight_bit
ld bc,-100+256
push ...
eight_bit:
ld bc,-100
jp nc ... string
ld a,'0'
ld (de),a
...Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …
... one thing, isn't using LD:PUSH in a flip screen ... /> pop de
ld a,(hl)
ld (bc),a
inc ... e
or d
ld (hl),a
inc l ... exactly the code that I am thinking to use in the ...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…
... is such a difference I am starting to doubt if I ... at 11:36 AM
;
0000 31362C LD SP,2C36H
AM
;
0000 10FE DJNZ ...
