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Cross hair in Aces of AcesIn instruction is said: "...Cross hair turns red when in range of enemy target..." but this never happen, not even on TZXs from WoS :( is this a ga…
In instruction is said:
"...Cross hair turns red when in range of enemy ... ) so there is no skill in game just luck... every time ... -
IN for KempstonHi all A few years ago I wrote a Spectrum program that used graphics on screen to indicate what position a Joystick was in. I need the read IN instru…
... a Joystick was in. I need the read IN instruction for Sinclair Joy ... to know what is the IN for Kempston, and the Sinclair ... -
Personal comments in instructionsSomething that I do not feel is right, is personal comments in instruction files. Surely the purpose of instruction files is to preserve the origina…
... is right, is personal comments in instruction files. Surely the purpose of ... instruction files is to preserve the ... />
As an example, in the English text instructions for ... but my feelings and the instruction typer's opinion is not ... -
IN instruction on emulatorsHi everyone I wrote: 10 PAUSE 0 20 PRINT IN 63486 If i press 1, result is 190 instead of 254 (i used FUSE and Spin) If i press 2, 189 (253) i…
Hi everyone
I wrote:
10 PAUSE 0
20 PRINT IN 63486
If i press 1, result is 190 instead of 254 (i used FUSE and Spin)
If i press 2, 189 (253)
if i press 3, 187 (251)
...
Why? -
ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... program that provides advanced features in a "Spectrum" style. ... evaluator which evaluates... expressions in speccy BASIC. Can ... br /> * These features are currently in development.
IN instruction, enabling machine code ... -
ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... program that provides advanced features in a "Spectrum" style. ... evaluator which evaluates... expressions in speccy BASIC. Can ... br /> * These features are currently in development.
IN instruction, enabling machine code ... -
Multiplayer online Speccy gaming - an actual technical proposalAs is so often the way, [url=http://www.worldofspectrum.org/forums/showpost.php?p=274215&postcount=121]trying to put into words why something is impo…
... When the emulator encounters an IN instruction, it will:
1) ... the revised value for the IN instruction, and then fast-forward ... latency networks don't exist in the real world" problem. ... a snapshot on every single IN instruction, although the more frequently ... -
Hardware description - MULTIFACE 3[B]Hardware description - MULTIFACE 3[/B] This is description of MF3 clone, because I can't find more about original interface. Schematic and PAL ch…
... br />
[B](this IN instruction is ignored(without effect) if ... connect MF3 memory. This IN instruction connect MF3 memory(yes, ... connect MF3 memory. This IN instruction disconnect MF3 memory(yes, ... OUT #3F,xx before this IN instruction)[/B]
... -
Strange keyboard port reads on 48+Hi all, I don't know whether it was already discussed (I also searched forum, but there are too much of results searching "48k keyboard" so I didn't…
... it returns with address of 'in' instruction which reads key 0 pressed ... ,+
ld a,239
+ in a,(254)
and 3 ... -
The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... .
‘Firmware’ in this case means the BASIC ... /> --------------------------
ROM and RAM in More Detail
--------------------------
... to select
pointer in .tap (POINT?)
... a single OUT or IN instruction, which takes 16 ... -
Chuckie Egg and joypads on the SpectrumAn old favourite of mine is "Chuckie Egg", but it has no joystick option. I've got a dual port DK Troniks interface, the first port takes IN 31(Kemps…
... hacking into the code in the first place, but ... usually pretty simple. An IN instruction on the appropriate port ... quite a few ports in order to detect all ... keyboard detection with one IN instruction. Hence the QWERT layout ... Zilog manual and give in a go for you, ... -
Name of a joystickThis is a really arb question. But can any of you guys remember the name of the grey joystick you used to plug into the 128k It was not kempston , t…
Perhaps you mean 5678-0, that is, cursor keys? Because 6789-0 could have been an arrangement not unlike ultimate's QWER-T, which most people hated... Could be read in a single IN instruction, I think, though. I don't remember of games using 6789-0. -
SprinterHas anyone else seen this, I think I may have to shell out the money for the Mobo and VGA card - I can get a Pentagon 512k at last! :) [url="http://…
... some friend who is good in assembling of PC computers (unless ... will use (they wrote it in instruction).
If I recall ... -
Games and Programs written in BASinHi all, The new version of BASin is about to be released in the next few days or so, and I'm gathering up example programs to include with it. I se…
... I had this funny problem in 9a: The pause command ... And is it still there in release 10?
[/quote ... Right now I code in BASin but run the program ... reading the keyboard through an IN instruction won't work, as the ... . I may alter this in future, but it will ... -
ZX in FPGA...Hmm..seems nobody is interested in a replacement PCB with FPGA...well..heading towards next FPGA projects then...C64 and others (o; [ This Messag…
... fast to react on a "IN" instruction from CPU.
BTW ... -
Press any keyI need to write a z80 function that waits for a user to press any key. As it is possible that the user may be pressing a key when the function is cal…
... XOR A
WAIT1 IN A,(254)
CPL ... NZ,WAIT1
WAIT2 IN A,(254)
CPL ... A with zero before the IN instruction. Your code, however, ... immediately before both IN instructions. While in this instance ... -
Press any keyI need to write a z80 function that waits for a user to press any key. As it is possible that the user may be pressing a key when the function is cal…
... XOR A
WAIT1 IN A,(254)
CPL ... NZ,WAIT1
WAIT2 IN A,(254)
CPL ... with zero before the IN instruction. Your code, however, ... statements immediately before both IN instructions (inside the loop ... -
128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
... non-existing port (via an IN instruction) you'd get either 255 ... synch the screen ended up in a very broken state very ... -
128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
... non-existing port (via an IN instruction) you'd get either 255 ... -
128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
... non-existing port (via an IN instruction) you'd get either 255 ... -
How to speed up TZX loading (emu development)With many newer emulators there are options to do faster loading schemes, even for turbo-loader or protected loader blocks in TZX files. For example,…
... br />
When an IN A,(N) is executed, you ... to start checking. The IN A,(N) is probably ... the memory bytes around the IN instruction. They'll all follow ... ) and then when the IN executes, quickly run through ... and you'll need in-depth knowledge of how each ... -
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... the same MHz when in native mode and running ... The 68B09 was available in an 8MHz part if you ... account the process used in manufacturing. I'm sure ... they were both made in the same process, the ... with the missing refresh cycle in instruction fetches. But it's ... -
PAW tests - help and discussion :)Hello my friends :) I have started to make some tests with PAW and I must say I'm very pleased and surprised at the great program. I will be posting…
... passage you quoted about containers in anything I have, and ... everything there was to take in instruction in the arquive.
...
which then resulted in PUT PEN IN BAG to place the ... LS such as INSERT KOBIASHIMARU IN COMPUTER, or something?
... -
Game Programming Source Code & Startup HelpHi there, I'm planning on porting an existing commercial title to the speccy. I'm in the process of disassembling the original code and commenting i…
... spectrum/[/url]
In particular in_Inkey scans the keyboard ... of the entire keyboard in one IN instruction to make sure no ... other spectrum joystick read functions in that directory. This way ... indicate CAPS and SymbolShift in the scancodes, which may ... -
How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... $xxFE
inc hl
in a,($fe)
and (hl ... ) ; select which key in row to pay attention to ... read all keys with one IN instruction and save yourself a few ... there is almost zero difference in execution speed.
[quote ... -
How does the Z80 communicate with hardware?How does the Spectrum (or Z80) interact with other hardware devices? I think devices can communicate with the CPU through interrupts, but how can the…
... 's usually done through the IN and OUT instructions. An interrupt ... device's status has changed in some way ? for instance, a ... by the Z80, using the IN instruction.
It is possible ... on the interface) in the Spectrum ROM. Sometimes, IN and OUT can ... -
How does the Z80 communicate with hardware?How does the Spectrum (or Z80) interact with other hardware devices? I think devices can communicate with the CPU through interrupts, but how can the…
... CPU, it could use the IN instruction and the "device id" to ... ?
And the OUT instruction is used to send something ... work the same way? Different instruction names of course, but is ... -
The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... br />
And the inir instruction would just pull off the ... (hl).
Nice in theory... in practise, it doesn't actually ... T-states than an INIR instruction!
(Yes, you can ... require one OUT and one IN instruction, which alone would eat up ... -
Crack-Up & CrossfireHi, Crack-Up and Crossfire published in 1989, not in 1991 ;) (It also is written in the instruction). Cheers,
... =0000780]Cabal[/url], published in 1989, not in 1988 ('88 it is ... exit on game consoles), also in instruction is written "(c) 1989 Ocean ... ?id=0004736]Specventure[/url], published in 1985 (not in 1986). -
Crack-Up & CrossfireHi, Crack-Up and Crossfire published in 1989, not in 1991 ;) (It also is written in the instruction). Cheers,
... =0000780"]Cabal[/URL], published in 1989, not in 1988 ('88 it is ... exit on game consoles), also in instruction is written "(c) 1989 Ocean ... =0004736"]Specventure[/URL], published in 1985 (not in 1986).[/quote]
