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A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how easy it actually is. (Actually I've already published this one some time ago, but this time the source is ... -
+3e with DivIDE systemsIf we replace old R-GAL chip on original DivIDE with new XR-GAL (this is only firmware for GAL chip) then will possible DISABLE or ENABLE any DivIDE …
...
OUT (227),A
XOR A
OUT (227),A ...
OUT (227),A
XOR A
OUT (227),A ... -
AZIMUT / Frecuency spectrum[code]start DI LD HL,#7F40 LD D,#58 loop LD B,#00 bucle1 LD A,H IN A,[#FE] XOR A,C AND A,L J…
...
IN A,[#FE]
XOR A,C
AND A ...
IN A,[#FE]
XOR A,C
AND A ... -
Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…
...
#asm
scf
xor a
ld ix, 48460 ...
#asm
scf
xor a
ld ix, 48460 ... -
Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code: [CODE] ;; ram-check L11DA: LD H,D ; Transfer the top value to the HL register LD L,E …
... -FILL if not.
XOR A ; New stop condition, reach ... -
What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... ; set our screen colours.
xor a ; quick way to load ... -
ANN: Tipshop updated Thursday, 31 May 2012Thursday 31 May 2012 Some very interesting POKEs this month * Hippy Smith sent in HUGE(!) POKEs for Echelon, Hive, Infiltrator, Sentinel, The and V…
... , Spione, Lo , Tiler and
Xor.
* Added RZX Archive ... , Super Monaco GP , Tutankhamun and Xor.
DATABASE SIZE: 17136 ... -
CMWC random number generator for Z80Seeing the interest regarding the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=23070"]Xor-Shift random number generator for Z80[/URL]…
... /forums/showthread.php?t=23070"]Xor-Shift random number generator for ... -
A "bit" of a curiosityHaving to use a bit of m/code to do the AND in that key check function, I was prompted to revisit the "AND,XOR,OR,...for BASIC" topic and came up wit…
... prompted to revisit the "AND,XOR,OR,...for BASIC" topic and ... function to do bitwise AND,XOR,OR - not as m/code ... = 0(OR), 1(AND), 2(XOR)
d = bits = number of ... -
SpecBAS 0.749 Now available!Ey oop, you lot! A new SpecBAS has now been uploaded to the usual place - [url]http://www.specbas.co.uk/[/url] For your delight and delectation. …
... is normal, then 1 for xor-mode, 2 to 7 for ... /> 0: Normal operation
1: XOR source and destination
2 ... -
Interview with Steve Wetherill (Odin)Hi you all!!! Here is the interview done to STEVE WETHERILL (Nodes of Yesod, Robin of The Wood, Arc of Yesod, Heartland... ?Odin!) and published at […
... of Yesod, which used an XOR technique. ROTW was able to ... -
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…
... be used for 'newline'
xor a ; change here for tabbed ... 42
ret nz
xor a
ld (xcoord),a ... )
ld (de),a
xor a
inc de
Revisiting Spectrum CPU clock regenerationWarning: This post will be a bit nerdy :-) Some time ago, I experimented with phase locked loop circuits as a possible way to regenerate the Spectru…
... at the output from an XOR gate, which XORs the Spectrum ... if the result of the XOR gate is logic 'true' this ... apply instead of the simple XOR-and-nudge method of detecting ...Kempston detectionI could use some help. This Kempston joystick behaviour drives me mad. I've written a game called Necrospermia recently ([url]http://www.worldofspec…
... /> JR NZ,StartAnim3
XOR A
LD (KeysOrJoystick),A ...Graph Plothi! please, help with code: [PHP]For x=-100 To 100 For y=-100 To 100 If (x/2-25)*(x/2-25)+(y-50)*(y-50)<200 Or (x/2+25)*(x/2+25)+(y-50)*(y-50)<200 th…
hi! please, help with code:
[PHP]For x=-100 To 100
For y=-100 To 100
If (x/2-25)*(x/2-25)+(y-50)*(y-50)checksum routine from Space GunThis routine starts off with HL=$ffff and a file header read from tape, for each byte of which in turn it assigns to A and calls this routine, ending…
... /> [code]
LD C,A : XOR H : AND $f0 :
LD ... :
LD B,A : RRA : XOR H : AND $0f :
LD ... ,A : LD A,L : XOR B :
LD H,A ... : LD A,E : XOR C : AND $0f :
... A : LD A,B : XOR H : XOR E
LD H,A ... : LD A,B : RLA : XOR D : OR C
LD ...90 games.. Anyone Interested before they hit ebay??On ebay - The whole Lot... Starting at 99p for all 90 of them... [URL="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=130911315485&ssPageName…
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…
... /> ldir
push af
xor a
cp l
rst $10
xor a
rst $10
call $203c ;PR_STRING
xor a
call $1601 ;CHAN_OPEN ...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…
... ,(3F)
6260 AA xor d
6261 0F ... ),a
6283 EE80 xor 80
6285 57 ... ,(3F)
62C5 AA xor d
62C6 0F ... ),a
62CF EE81 xor 81
62D1 57 ... ,(3F)
62DD AA xor d
62DE 0F ...New game: The curse of OddvilleDon't get too excited! :p Just wanted to share this because the coding of it is driving me mad, or rather the game designer is. The curse of Oddvil…
... /> It uses Patrick Rak's XOR Shift RND generator, and Einar ...C.G.D - Classic Game Designer[b]UPDATE: August 07, 2013 AN UPDATED VERSION OF CGD IS NOW AVAILABLE, DETAILS HERE: [url]http://www.worldofspectrum.org/forums/showpost.php?p=7155…
... uses Patrick Rak's superb XOR Shift random number generator. Thanks ...
