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128 port hardware patchReading the ULA book has reminded me of something. In The Spectrum Hardware Manual (Adrian Dickens) there is a hardware patch to allow free use of al…
I already tried a stack of 6 x 0.45V ... CMOS (4071/4072) rightaway (pull up R's at inputs). -
compressing basicI thought I'd ask here instead of the basic forum.. in the sense of giving me 1 command line, and NOT the whole listing joined up etc. and it uncom…
... NOT the whole listing joined up etc. and it uncompress .is ... to do it, is to stack some basic programs together and ... -
compressing basicI thought I'd ask here instead of the basic forum.. in the sense of giving me 1 command line, and NOT the whole listing joined up etc. and it uncom…
... /> * Once they're all stacked up above RAMTOP, save them as ... is included in the program stack, then each program could include ... the menu program from the stack so it doesn't get ... some complications with the machine stack might arise.
Alternatively ... -
SAM programmingHi Can anyone provide any example hello world or graphics/sprite printing style machine code routines for the SAM? I can't seem to find anything rem…
... /> ld sp,new_stack ; set up private stack
in a,(lmpr) ... sp,0 ; restore system stack
ei
ret ... /> defs 128
new_stack: ; stack space above[/code]
logical operators and the calculator stackI was wondering if there was a utility which would provide the list of commands needed for the ROM calculator to evaluate a logical expression. For e…
... and forgot to look it up. Then when you mentioned SCANNING ... was putting on the calculator stack, as the basis for the ... , but getting things on the stack in the right order can ...Help! Reverse engineering a Spectrum game[deleted]
... clear screen routine using the stack if possible
08 - Number ... and a comment that sums up the current stage of development ...Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... the current implementation may require up to (about) [B]n[/B ... case, which means a large stack. However the partition routine can ... ] randomly for instance, so the stack size will be close to ...FairlightJust had a quick browse at the top 100... [url]http://www.worldofspectrum.org/bestgames.html[/url] (No i'm not moaning about whats on the list for …
... - and the way you could stack things up.
Got quite ...The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... not putting any of it up for sale.....well not ... might try and get it up and running, I reckon ... if Clive had never dreamt up the C5? Perhaps a merge ... ROM.
To get up and running, you will require ... sr ; $300
lea stack+4*128,sp
Official CSSCGC 2010 Competition ThreadDear Wossers, As 'loser' of the 2009 competition, I am now obliged to host the 2010 competition. I have created a site which will provide a hub for …
... various reasons I'd used up all the registers and had ... ]
tsk, why not stack them, or copy them to ...Official CSSCGC 2010 Competition ThreadDear Wossers, As 'loser' of the 2009 competition, I am now obliged to host the 2010 competition. I have created a site which will provide a hub for …
... (which would be on the stack) back to the main loop ... various reasons I'd used up all the registers and had ...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... collect information to speed things up a little...
You ... /> PUSHAD = Pushes all registers onto stack
POPAD = Pops all registers ... from stack
JNE = Jump not equal ...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... the SP for optimization so stack pushing and poping to store ... eight 64 BIT register FPU stack or the SIMD on later ... the RISC CPUs had no stack and had to split loading ... simple - you can always make up for it in code...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... need for a hardware stack if you have an ... , using r4 as a stack pointer). That way instead ... restricted to the one hardware stack provided, you can have ... IIRC, MIPS does have a stack, but the original MIPS may ... - you can always make up for it in code...[/QUOTE ...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... />
lea eax,@@task ; Set up task
mov tsk_task[ebp ... registers on the the stack, saves the stack pointer (SP) and a ... . Each task has its own stack and PC, that is how ... gonna go and clean them up :)
Happy machine code ...Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…
... code to store/restore the stack pointer. I choose to use ... /> ld a,251 ; Key 'Q' up
in a,(254)
ld (stack+1),sp ; Store SP using ... back to line
stack ld sp,0 ; Reset SP ...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... don't know what the stack is, they don't know ... an instruction set architecture takes up some silicon that could be ... /or you have to give up a peripheral so everything still ...Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... the line numbers. I loaded up a source project on Speculator ... 2
ld sp,stack
ei
defs 256
stack equ $
[/code]
stack for speed, a lot of ...Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... ";1;"filename"' command use any stack space?
This ... won't want to make up a lead cos you ... code being held in the stack space??? Maybe that's ... of a game with the stack at the normal location ... code could sit in the stack area... nightmare - I can ...Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... this is what winds me up! PlayTZX fails 50% of the ... like a jigsaw puzzle! The stack would have to be in ... clever routine placed in the stack area will be used to ... fixed repeated area and the stack) cannot be compressed but all ...Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... Cybernoid runs without cleaning up the 2048 BYTES from ... routine placed in the stack to restore the memory. ... 64 BYTES of Cybernoid stack and it ran fine ... BYTE routine placed on the stack:
[code]
stack set here)
ei ; ...Speccy Tour - SummarySUMMARY after 4 weeks: week1 - it was 'warming up' time, players just get familiar with elected games... few good scores was achieved. week2 - time…
... miss Stack. :( I don't know whether he has given up taking ... shade, ready to beat us up with his scores!Speccy Tour - SummarySUMMARY after 4 weeks: week1 - it was 'warming up' time, players just get familiar with elected games... few good scores was achieved. week2 - time…
... miss Stack. :( I don't know whether he has given up taking ... shade, ready to beat us up with his scores![/QUOTE]
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... final clean-up routine must be placed in the stack area, this ... 13 BYTES of stack space for the final clean-up routine needed ... not be saved during abnormal stack activity as the whole process ... relies on the stack holding the return address to ...Speccy Tour - SummarySUMMARY after 4 weeks: week1 - it was 'warming up' time, players just get familiar with elected games... few good scores was achieved. week2 - time…
... miss Stack. :( I don't know whether he has given up taking ... shade, ready to beat us up with his scores![/QUOTE]
up with interest though. I may ... still busy with event follow up.:sad:Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... 20 BYTES of my stack based clean-up routine to see if ... eax,12
mov [stack+1],ax ; Set stack
mov ...
sub ebx,STAKLEN ; Fix stack
mov word [jump+1 ... />
lea esi,[z80_stack] ; Copy stack
mov ecx,STAKLEN
