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Beepola v1.00.00Beepola is a new multi-channel, multi-engined, tracker-style Beeper music editor for Windows (although it should also run perfectly well on Linux or …
... .grok.co.uk/beepola/Beepola_v1.00.00.zip"]Here's a download ... -
Contention: LDI vs LD (ss), rAccording c.s.s. FAQ: instruction LD (ss),r breakdowns as pc:4,[b]ss:3[/b] and LDI as pc:4,pc+1:4,hl:3,[b]de:3,de:1 x 2[/b] can anyone explain why …
... .s. FAQ:
instruction LD (ss),r breakdowns as pc ... -
Indiana Jones and the Temple of DoomI suggest the following "known errors" description for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002475"]Indiana Jones and the Tem…
... exit:
[code]$675f ld a, ($720d)
$6762 cp ... />
$6766 ld a, ($831d)
$6769 cp $00 ;have we touched ... -
Last Sunset for LatticaHere's a [b]rough first draft[/b] of the [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/lattica.gif]Lattica map[/url], just to demonstrate th…
... ; A214 21 32 00
org $A8F3
LD HL, $0032 ; ... A8F3 21 32 00
org $AF36
LD HL, $0032 ; ... AF36 21 32 00
org $B4AC
LD HL, $0032 ; ... -
Bride of Frankenstein TAP has been hackedThe Bride of Frankenstein TAP on WoS doesn't have any spooks in it, so you're just wandering around an empty maze. This is because there's a RET at $…
... it is?
[code]
LD HL, $96D1 ; 8A9B 21 D1 ... 8A JP $8ABA
--------
LD HL, $B267 ; 92DF 21 67 ... A0 80 5A 00 00 27 AD ED AC 00 28 51 F6 ... A0 80 5A 00 00[2E]AD ED AC 00[34 45]F6 ... -
Thanos (improved BUGFIX)This is an improved BUGFIX for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0005221"]Thanos[/URL], please replace the "known errors" d…
... right:
658c 216b65 ld hl,$656b ; current player ... move right
6594 3a7f60 ld a,($607f)
6597 fe01 ... left:
65e0 216b65 ld hl,$656b ; current player ... 65e3 7e ld a,(hl)
65e4 fe00 cp $00 ; min ... -
Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…
...
call print_message
ld hl,key_right_port
call get_defined_key ... />
; -----------------------------------------------
delay: ld bc,32768
ld a,0
d_loop ... $fd ; A-G
defb $fe ; CAPS-V
... -
saving part of a BASIC programHere's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to …
Here's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to be combined or merged into other programs. It's sort of a slow version of copy & paste. The two line ... -
MCODE problem...Hi Folks, Trying to write a simple machine code program to hatch the screen. So far I have the following but even this is not working - it does not…
... 00 LD HL,4000h
06 AA LD B,AA
11 01 00 LD ... DE,100h
70 LD (HL),B
AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…
... on error
ld a,c ;A = ... push af
ld hl,OPCODES
add ... add hl,bc
ld de,OPERATE
ldi ... /> defb $A1,$00, $A9,$00, $B1,$00, $E6,$00, $CB,$87, ...Amazonia (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL], please add the following "known errors" des…
... returning back to 0:00. Also the day of ... clock address
9eca 3e3c ld a,3ch ; minutes overflow ... a
9ec2 32c99b ld (9bc9h),a ; reset time ... address
9ec8 3e3b ld a,3bh ; minutes maximize ...The INPUT command routine ($2089)I was looking at the INPUT routine with a view to modifying the intro so that I could pre-load the workspace and edit an existing value, rather than …
... IN-VAR-4 LD (K-CUR-hi),+00 The cursor address is ... is copied to[/color]
LD BC,(ECHO-E) [color=red ... .
2174 IN-VAR-5 LD HL,+5C71 This is FLAGX ...40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... /> ld de,scratchspace
ld b,8
nexttoscr ld a,(hl)
ld ... 11xxxxxx = shift-to-right/2 00=0 01=2 10=4 ...Using R as a loop counterThis is just something silly I've found a while back. xD [b][How-to][/b] Setup your routine like this:[code] ld a,X ;see below ld r,a loop ;your …
... ;your routine here
ld a,r
jr nz ... =LoopN, c=Rinc
ld a,#FE
.l1
add ...
and #7F
ld r,a
.l2
inc b
ld a,r
jr nz ... ,.l2
ld a,b
out (#FE),a
...Omitting LETAn untested thought. Changing: [code]1B34 SUB $CE ; Reduce command code by $CE to ; give 00 to 31 for comman…
...
; give 00 to 31 for commands
; give 00 to 31 for commands
...
TRYLET LD HL,(CHADD) ; Step CHADD ... HL
LD (CHADD),HL
LD A,'LET'-$CE ...Works in Fuse & SpecEmu, not ZXSpinI decided that I wanted to change the scroll routine which I was using for compiling the Trailblazer maps, as I'd just copied it out of Andrew Hewson…
... /> NULLS: defb $00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00
defb $00,$00,$00,$00,$00,$00,$00,$00…Idk>le me browsing through some game's code >..... [code]61A8 F5 push af 61A9 3EFF ld a,FF 61AB D37F out (7F),a 61AD D33F ou…
... F3 di
61BF 22F862 ld (62F8),hl
61C2 ED73FC62 ... pop hl
61C7 22FA62 ld (62FA),hl
61CA 31F862 ... jr 61E3
623E 21E462 ld hl,62E4
6241 ... br /> 62B8 ED7BFC62 ld sp,(62FC)
62BC 00 nop
62BD ...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…
... = LD E,
26 = LD H,
2E = LD L,
01 = LD BC ... ,
11 = LD DE ... ,
21 = LD HL ... ...
Wonder if I load 00 into there Paired counterparts it ...Venturespeak Helplooking at the code from ZX Computing, October, November & December 1986. How do I make the code do more then 3 letters say 5. and could it be made …
... DEC A
60266 329BEB LD (COUNT),A
60269 C378EA ... JP WAIT
60315 00 COUNT DEFB 0
60316 ... .. START DEFS 65
60383 00 TIME DEFB 0
understanding machine codeHi Quick question. Am not really sure if it fits development forum as its not really development per se its more a learners question about developm…
... XOR A
323C5C LD (TVFLAG),A
CD0070 ... /> DEFM message
00 DEFB 00
C9 RET[/QUOTE ... using Zero emulator)
323c5c LD (TVFLAG), A
5c3c does not contain 00 which is A's current ... LD (TVFLAG), A
A currently contains 00 ...Hooky - hook ZX ROM and rewire RST and NMI to RAM - rantThis is a rather long rant. Not for short tempered. :) The objective is to hook into RST "vectors" and NMI on a Spectrum without affecting the normal…
... /> 0x11CE OUT (FE),A ; border to white?
0x11D0 LD A,#0x3f ...
downloop:
0x11DC LD (HL),#0x02 ; mem. 0xffff is ... 0? (not initially)
0x1200 LD (5CB4),HL ; overwrite BC' with ... to address 5cb2
0x1222 LD HL,(5CB2) ; FF57
...ZERO Emulator - BugsI have been using Zero emulator to experiment a few routines in assembly, since it has a somewhat usable debugger. However I believe I found a few b…
I have been using Zero emulator to experiment a few routines in assembly, since it has a somewhat usable debugger.
However I believe I found a few bugs, some in "zero" application, and some on emulation itself.
The following example ...Kempston joystick - port MSB value?In a situation where let's say the kempston is being polled like this: LD BC,NN1F: IN A,(C), what is the 'correct' value of NN? 1. 00 2. FF 3. S…
... is being polled like this: LD BC,NN1F: IN A,(C ... of NN?
1. 00
2. FF
3 ... trying to fix. This uses 00 as the port MSB and ...Elite - Save data complete map[code] $0000 Commander Name $0001 Commander Name $0002 Commander Name $0003 Commander Name $0004 Commander Name $0005 Commander Name $00…
... $80, 3rd mission at $FE)
$0010 Jumps MSB ... Price Fluctuation in Current System ($00 = lowest prices, $FF = ... 0032 NULL [Always $00]
$0033 NULL [Always $00]
$0034 ... 003A NULL [Always $00]
$003B NULL [Always $00]
$003C ...HELP!I'm trying to replace a bit in a byte as follows, but having some sort of brain freeze trying to get it to do what I want. A=00 if bit to replace …
... I want.
A=00 if bit to replace with ... E
XOR (HL)
LD (HL),A
nearly ...1k Chess (was the 924 bytes thing!)Hi, I've decided to do a major rewrite of large parts of the code for the isometric Chess thing that I've been messing with. It got to the point, …
... byte as either FF or 00.
Once all the ... =5b00
ld b,04h
ld c,l
ld a,(de ...
