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Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... for space, but bad for speed. Here's a very small ... 't use the ROM or system variables.
[CODE]
_WAITFORNOKEYS ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... for space, but bad for speed. Here's a very small ... 't use the ROM or system variables.
[CODE]
_WAITFORNOKEYS ... -
Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... .
; -----------------------------------------------------------------------------
; ROM ROUTINES, SYSTEM VARIABLES and CONSTANTS
pr_all ... />
make_chan:
ld hl, (prog) ; a channel must be created ... -
Reading from the 128 Serial PortDon't shout at me if this is a silly question. I have Googled extensively, and searched the forums, but I can't find anything discussing what seems t…
... reading a value from the system variables. The comments in my patched ... the routines.
-What speed did you use for your ... -
New BUZZSAW+ Demo, No.2OK everybody, here's the latest demo of [I]Buzzsaw[/I]. This includes the title screen I wrote in Corfu with control selection, some new sprites and…
... copy them down over the system variables and BASIC and re-allocate ... be drawn at a consistent speed as they're done during ... -
Hacking a adventure gameHello folks, on the recent issue of SCENE+ Diskmagazin is a game called "By right of Birth",you can find this game also on WOS. Although this magaz…
... system variables so you should save it too.
then write small prog ... -
Spectrum machine language filesHopefully this will get moderated to the correct forum, if I'm in the wrong place.. I've failed to get my old 48K Spectrum microdrive files, via the…
... I/F 1 it moves PROG (sys variable at 23635/6 ... also need to update the system variables, which the ROM does for ... -
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…
... area from 23552 (start of system variables) to RAMTOP to sequential chunks ... bit of machine code for speed.
Now I'll ... -
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…
... Stack Program# [0-18] ";prog: LET prog=INT prog:
IF prog18 THEN ... /> 1001 IF NOT prog THEN LET prog=255
1010 ... bc=USR put:
LET prog=prog AND prog255:
PRINT " ... DE,23552 ;DE=start of system variables
25623 1 0 ... -
Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…
... definitive answer by PEEKing the 'PROG' system variable (see [url]http://www ... also have to tinker with system variables so that it knows it ... : block spanning the screen memory, system variables, program data and 'currently executing ... -
Loading BASIC programs stored as "bytes:"Hi all, I have a question regarding loading BASIC programs, that I managed to save as machine code (I suppose) when I was a child, as a result of e…
... saved from 23552 (start of system variables) to RAMTOP. Restoring this ... chunk which was originally between PROG and VARS. Then LOAD ... : POKE 23642,hiELINE: SAVE "prog";
where loX and hiX ... LOAD "prog" - and there's your program, minus any variables that ... -
Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …
... the emulator load the FRAMES system variables with a random value before ... -defined key) to the maximum speed that the host machine can ... -
Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.
... a few tweaks and the speed increase is dramaric.
- If ... away the screen and the system variables/printer buffer) is plenty :)
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
...
; so look at the system variable PROG
dec hl ; move ...
ret
; TEXT VARIABLES
; Used by the 64 ...SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... br /> ; so look at the system variable PROG
dec hl ; move ... br /> chans equ 0x5c4f ;
prog equ 0x5c53 ;
udg equ ... ; leap back to the operating system.
push af ;
... bit of space for some variables.
atflg:
defb ...GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
...
; so look at the system variable PROG
dec hl ; move ...
ret
; TEXT VARIABLES
; Used by the 64 ...Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …
... the emulator load the FRAMES system variables with a random value before ... -defined key) to the maximum speed that the host machine can ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... ld hl, (0x5c53) ; store system variable PROG in HL
dec hl ... done!
; -----------------------------------------------------------------------------
; LOCAL VARIABLES
AT_FLAG:
defb ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... ld hl, (0x5c53) ; store system variable PROG in HL
dec hl ... done!
; -----------------------------------------------------------------------------
; LOCAL VARIABLES
AT_FLAG:
defb ...Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …
... the emulator load the FRAMES system variables with a random value ... recognised" and the "Artifical Speed Up" option will remain set ... locations to set the emulator speed to maximum. Someone would ... /> Lords of Midnight (to speed up the computers AI processing ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... ld hl, (0x5c53) ; store system variable PROG in HL
dec hl ... done!
; -----------------------------------------------------------------------------
; LOCAL VARIABLES
AT_FLAG:
defb ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... ld hl, (0x5c53) ; store system variable PROG in HL
dec hl ... done!
; -----------------------------------------------------------------------------
; LOCAL VARIABLES
AT_FLAG:
defb ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... ld hl, (0x5c53) ; store system variable PROG in HL
dec hl ... done!
; -----------------------------------------------------------------------------
; LOCAL VARIABLES
AT_FLAG:
defb ...Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... case of reading/writing the system variables.
As for clearing ... can get tiny tweaks of speed by making the routine larger ...The need of having a 257-byte table for IM2 routinesThis came from a discussion at the speccy.org forum. I have understood that the reason behind the 257-table for IM 2 routines is due to certain joys…
... code for size, instead of speed. Sprite and graphics routines need ... needs to run at maximum speed. If you're not using ... overwrite the printer buffer and system variables, there's plenty of space ...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…
... br /> c_chan:
ld hl, (prog) ; a channel must be created ... /> ; so look at the system variable PROG
dec hl ; move ...
push af ; operating system.
call doit1 ;
... of space for some
; variables.
atflg:
