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Calculating percentage..or even calculating percentage. Maths and asm I find verryyy tricky. Can anyone suggest the easiest/best way to calculate a percentage from two 1…
Use the calculator, stack the numbers and calculate with RST #28 -
Calculating percentage..or even calculating percentage. Maths and asm I find verryyy tricky. Can anyone suggest the easiest/best way to calculate a percentage from two 1…
..or even calculating percentage.
Maths and asm ... the easiest/best way to calculate a percentage from two 16 bit ... -
RST 16 with TASMCan any body tell me what is wong when I assemble this test code with TASM : ;print a long string "help me" start .org 32000 ld a,2 call 5633…
... ,(de)
inc de
RST 16
jr loop
RST 16
Is it ... -
The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…
... ) ; Fetch byte for print
rst 16 ; Printing table and screen ... ; Save A in B and calculate screen
jr prbyte ; Print ... -
Programming MC : first stepsIsn't nice to collect all kinds of short routines to help making the first steps into MC for everyone who never touched MC? What I mean is mostly th…
... a,"0" ; display number
rst 16 ; with print
ret ... number
marge sub c ; calculate within marge
jr nc ... -
question about RST 10hhow do you set the position of the text when using 'RST 10h' to print to screen?
how do you set the position of the text when using 'RST 10h' to print to screen? -
Maths Problem - StatisticsI am trying to calculate a score as a percentage from likert questionnaire responces. The Likert Scale is as follows [code] 1 …
I am trying to calculate a score as a percentage from likert questionnaire ... score of 59 as a percentage given the the max possible ... -
Excel - Deducting percentage - where am I going wrong?Howdy, The help isn't much use, so I'm asking more knowledgable people. I'm also asking here ;) This is for a spreadsheet assignment on the IT side o…
... 's automatically setting itself to Percentage, so it obviously understands what ... -
+3 BASIC and RST 8I've been working on adding commands to the BASIC interpreter, in a similar style to how Interface 1 does it (catch the RST 8 error trap). This works…
... 1 does it (catch the RST 8 error trap). This works ... 48k, a 128k (in either RST 0 or in the 128 ... under 48K BASIC or in RST 0 mode.
But ... -
CPCDiskXP v2.1 Added support (Open/Create Dsk's, add/delete/rename files) for +3DOSCPCDiskXP v2.1 Changelog (since v2.0): [LIST] [*]DSKEditor - Added full support (Open/Create Dsk's, add/delete/rename files) for the following format…
... loaded on computers. Reported by RST.
[*]FLOPPY to DSK ... DSK gap values instead of calculate it (Orion Prime CPCDiskXP edition ... -
Using RST 16 and udg flickerHi there! I'm using UDGs and RST 16 to make a simple canyon bomber game. I've got the game mechanics working ( finally ) but now I'd like to make …
... /> I'm using UDGs and RST 16 to make a simple ... -
Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... call $2d28 ;STACK_A
rst $28 ; : 0.5,b ... $2d28 ;STACK_A = xh
rst $28 ; : 0.5,b, ... preserved
neg ;calculate the SET b,(HL) opcode ... -
RST hooks in OpenSE BASICHi, any possibility of OpenSE BASIC having RST vectors rewired to a small table in RAM containing jumps back to apropriate ROM locations? :grin: It i…
... possibility of OpenSE BASIC having RST vectors rewired to a small ... -
Hooky - hook ZX ROM and rewire RST and NMI to RAM - rantThis is a rather long rant. Not for short tempered. :) The objective is to hook into RST "vectors" and NMI on a Spectrum without affecting the normal…
... RST 0x0010 jumps to 0x10. Besides existing RST 0x00, RST 0x08, RST 0x10, RST 0x18, RST ... 0x20, RST 0x28, RST 0x30, and RST 0x38 ...
0x002B RST 0x38
0x002C RST 0x38
0x002D RST 0x38
Patching RST routines?Hi all, I am quite unexperienced regarding the Speccy and today I made another attempt to make a concept for a SymbOS port to this machine. There is…
... at #0000-#0040 for the RST commands?
Is there ...High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …
... CALL 3503 ; CLS
; ---------- CALCULATE SCORE POSITION ---------
LD ...
PUSH AF
RST 16 ; show character
... if so, return
RST 16 ; print the character
The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…
... /> nbyte ld a,(hl)
rst #10
ld a,255 ... /> nbyte ld a,(hl)
rst #10
ld a,255 ... /> nbyte ld a,(hl)
rst #10
ld a,255 ... /> nbyte ld a,(hl)
rst #10
ld a,255 ... ,b
call #22b0 ; always calculate screen even when BROM paging questionAssuming the Spectrum 128 memory map and port addresses, but two custom ROMs in place of the normal Editor and BASIC, what is the most efficient way …
In the RST routine you calculate the address by this routine:< ...Excel - Deducting percentage - where am I going wrong?Howdy, The help isn't much use, so I'm asking more knowledgable people. I'm also asking here ;) This is for a spreadsheet assignment on the IT side o…
... , seeing as it should just calculate =(1000-20%) ?
[/quote ... a value from what the percentage is taken.Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
... it be useful to calculate a CRC-CCITT checksum ... 0496 c5 $0bts
rst $10 ; 0497 d7 $0bts< ... 70 $07ts
l_04a6: rst $18 ; 04a6 df $0bts< ... ; 04b8 7e $07ts
rst $10 ; 04b9 d7 $0bts
rst $18 is interesting though as ...Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
... do this, we have to calculate the attribute area address from ... do this, we have to calculate the screen area address from ... , it will be faster than RST #10 - it has been said ...Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... with the following formula to calculate the address of a character ... a,22 ; at opcode
rst 16
ld a,y ... -val
rst 16
ld a,x ... -val
rst 16
ld hl,(23684 ...Do ULAs die?Thought I'd start this thread as people often think their ULA is dead, when it's actually the RAM or power circuits. Searching the forum in the futur…
... ]Stating that the 100-YY percentage can be expected to be ... originally was/is ment to calculate the life expectancy of Very ... just a chosen value to calculate with, I think that you ... the MTBF hours, we could calculate without knowing these numbers.
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…
... /> ld (chrad), hl ; screen and calculate the address in the
ret ;
err5:
rst 0x08 ;
defb 0x04 ;
Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... fit on the screen and calculate
;the address in the ... )
LD (HL),A
RST 8
DEFB 4
