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External Rom entry pointHi, this is my first post - so hi. I am writing a rom for the 128k, an just wanted to check a few things. To launch the rom, the entry point is 0x0…
... am writing a rom for the 128k, an just wanted ... To launch the rom, the entry point is 0x0000 ?
The rom is activated ... by pulling the ... pin high or low on the expansion slot?
... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... want to execute is the entry point. Put a breakpoint ... /> Is the ORG correct and is the entry point immediately after the ORG or is ... the binary to in the debugger after doing a CLEAR . The entry point ... so far had the entry point same as the ORG address. ( ... -
Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…
... don't match the listings and the loader routines ... are nine.
+ The instructions expect 8768 bytes of ... . Anyhoo, getting to the point, I feel challenged to ... it's apparent that the USR entry point is not 30000, ... as the first chunk ... -
Problem with the inlay in the entry of Nelo and QuqoMartijn, I just saw the entry for Nelo and Quqo, and noticed that the inlay of the game overlaps with the letters at the left of the screen, due to t…
Martijn, I just saw the entry for Nelo and Quqo, and noticed that the inlay of the game overlaps with the letters at the left of the screen, due to the length of the inlay. Maybe if the inlay was resized it could be better??
:) cheers! -
Complex Oldfield Trilogy inlay not showing in the entryThe entry Complex Oldfield Trilogy from Neil Parsons has a faulty inlay, since it can not be seen, just like in the old times when loading screens or…
The entry Complex Oldfield Trilogy from Neil Parsons has a faulty inlay, since it can not be seen, just like in the old times when loading screens or in-game screens did not appear correctly :) -
Saving a program to tape with the assembler as well.Hi What I'm trying to do is save a program to a tape file with the McGrawHill Assembler in the high memory so that I can then run the program and r…
... file with the McGrawHill Assembler in the high memory ... I can then run the program and run it. ... having to load the Assembler and the program separately then ... really not sure what the entry point should be when I ... mcode" CODE command what the start should be and ... -
type in to learn about IM2I'm trying to mess around with learning about IM2 and I found a nice little article in Sinclair User September 1988, issue 78, Page 70-71 [url="https…
... see you setting the entry point... If Pasmo defaults to the start then it ... , load the machine code "above" the CLEAR, run the code, which immediately corrupts the stack ... -
Emulator to create log files?Could someone please recommend a Spectrum 128K emulator that can dump the following data to an external text file, while emulating at normal speed? …
... T-states since the last interrupt, at the entry point of the interrupt routine and ... />
2. The contents of the IX register, at the entry point of the interrupt routine ... -
Getting PC into HLHello, here's a conundrum for you... Is there a way to obtain the value of the PC register (say into HL) without using absolute addressing such as C…
... a way to obtain the value of the PC register (say into ... addressing such as CALL etc? The rationale being that if you ... to access data relative to the entry point.
Can't think ... calling from BASIC the BC register appears to have the entry point in it ... -
Announce Pasmo 0.5.1Hello. New release 0.5.1 of Pasmo, multiplatform Z80 cross-assmbler. The main news are related to macros: the MACRO parameters now are expanded ins…
... have local variable storage preceding the function entry points. This is possible ... in TASM, because the "module" name is not an entry point. However, in ... Pasmo as I understand the entry point into the function ... -
Announce Pasmo 0.5.1Hello. New release 0.5.1 of Pasmo, multiplatform Z80 cross-assmbler. The main news are related to macros: the MACRO parameters now are expanded ins…
... have local variable storage preceding the function entry points. This is possible ... in TASM, because the "module" name is not an entry point. However, in ... Pasmo as I understand the entry point into the function ... -
IDE harddisk emulation usageNot 'howto' question :) I'm curious about how many people tried it. It exists in Spin, Fuse & RealSpec - in last is most interface supported. 8-bit …
... original interface had. The fact that the logic (equations in ... "complicated" ;)
The rest of DivIDE hosts additional ... a mapping-delay trick) the entry-point bouncing, inner/outer call ... etc.
The transfer speed computation is simple ... -
Basic or Machine code?Hopefully the correct area of the site to post this question. Anyways, I have got hold of several books on programming my spectrum, and I was wonderi…
... work that way. ORG stablishes the position for both code generation ... position, and you can use the .PHASE directive to alter ... tzx or tap that starts the program automatically you must ... with argument to define the entry point, and use the --tapbas or --tzxbas ... -
Loading schemes18 years ago I hated loading schemes like Alcatraz and Speedlock because they were a b*tch to copy and became unreliable when the tape got older. Now…
... ALL the text says, nothing about the entry point or register values. From the quick ... look I think the entry point is ... 65024 (start of asm), the IX should hold the load address, the ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... . Likewise, when doing the colour, the 8-bytes of attributes ... mode 2). If the MSB = 0, the engine deals in tiles ... without syncing with the raster). The entry point is SP1OR1 with the register setup ... way is to make the background point at a double buffer ... -
NEW games for you chaps (and girls too) ;-)Okie, did some .TAP versions of NEW original games that were only released on TRDOS disk format. Some of you might have seen some (one or two are eve…
... remix/trainer of Batty in the following way (using RealSpectrum):
the entry point. I used Jon North's ... it. Now load the original disk loader and the breakpoint should trigger ... routine starts at $D00F, where the registers are set as follows ... -
TC2068 emulator cart - problemHi, Sorry for posting timex related stuff on a spectrum forum. So, this cart (spectrum emulator) can only adress 16K. I can load small games but i …
... starting at the RET address of the OUT subroutine in the Basic ROM ... . But otherwise, the flash ... , 36 - I deliberately put the entry point at the RET address of BASIC's ... ) can boot up any of the 32 16k pages from a ... -
TC2068 emulator cart - problemHi, Sorry for posting timex related stuff on a spectrum forum. So, this cart (spectrum emulator) can only adress 16K. I can load small games but i …
... starting at the RET address of the OUT subroutine in the Basic ROM ... . But otherwise, the flash ... 36 - I deliberately put the entry point at the RET address of BASIC's ... JP at that address. The more machines it works on ... -
New Spectrum GameAs some of you may be aware I've been busy working on a Shoot-Em-Up Designer utility for the past few weeks. As the program is pretty much there now…
... is permitted.
The intro maker should make it ... . It will automatically create the BASIC loader program for you ... as long as the entry point to the code starts at the very beginning of ... detection your game will use the coordinate checking method used ... -
New Spectrum GameAs some of you may be aware I've been busy working on a Shoot-Em-Up Designer utility for the past few weeks. As the program is pretty much there now…
... games. It will automatically create the BASIC loader program for you ... as long as the entry point to the code starts at the very beginning of ... though, as that's beyond the control of a Spectrum programmer ... . I want to torture the world with my PGD games ... -
Probing the variables in 128K modeHello again! Briefly, I'm writing an m/c routine to read some BASIC variables. So, before I start, I try to get an idea for the structure of how var…
Well one reason it crashes is because the $1601 entry point only exists in the 48k rom. The 128k's rom will have the entry point somewhere else which I don't know off-hand. -
Probing the variables in 128K modeHello again! Briefly, I'm writing an m/c routine to read some BASIC variables. So, before I start, I try to get an idea for the structure of how var…
... because the $1601 entry point only exists in the 48k rom. The 128k ... 's rom will have the entry point ... />
Here's the next version
[url ... identical to the assembly language listing in the original post ... -
2 commands in 1 lineHi all, this is my first post although I have visited the web site many times, and I find it great. English is not my mother tongue, so I will try to…
... ") jumps to the game entry point after loading.
The loader has only ... BASIC it gets the RANDOMIZE command and jumps to the entry point.
This would explain why the program loads ... -
2 commands in 1 lineHi all, this is my first post although I have visited the web site many times, and I find it great. English is not my mother tongue, so I will try to…
... it will resume the latter BASIC running. The interpreter will ... the entry point.
I have tested it and works. The point ... is, could I make some changes in the system ... checked out the program listing by calling the system routine ... -
Game MusicI'm looking at revamping the original version of football manager - I still prefer it by far to any later ones. I've done a few snazzy bits of graph…
... output. Programs that use the output simply call the entry point.
Beeper ... music gets called and returns when the ... scourged by several incompatible formats. The PC utility VortexTracker by Sergei ... -
Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…
... that can't be the entry point, as the first routine just sets up ... USR (30950) addresses given in the instructions were correct, even though ... to be particularly careful with the hex entry as there are no ... checksums for the DATA lines, so ... -
Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…
... zeros).
To find the entry point I'd have initially taken ... of those depending on the value at the read address.
... .
Given the clue that the USR address is 30950 ... then count up to where the entry point should be :) You should ... -
Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... ;view=markup"]SP1DrawUpdateStruct[/URL] is the entry point with register set up as ... to do much just replace the C entry points with Basic entrypoints ... . In z88dk we offer the opportunity to ... -
What if the Government backed Sir CliveHere is a question I have always wondered about... What if the Government had backed Sir Clive back in the Eighties... That is, placed his computers …
... the beginning as it is very BASIC (excuse the pun) so the entry point ... in to the language is ... easier. However, once you have mastered the ... machine. IMHO the keyboard on the Electron was ...
