-
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... br /> fdel ; empty calculator stack
fce ; exit calculator
pop hl ...
report_b2:
rst error ; else
defb Integer_out_of_range ... hl ; stack error address
rst error ; report
defb ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... + _flags) ; signal string variable
rst next_char ; next character
rst print_a ; print it
jr ... br /> call expt_1num ; parameter to calculator stack
pop af ; unstack ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... /> org 0x2320
circle:
rst get_char ; get current character
rst next_char ; next character
call ... ; two items
fce ; exit calculator
pop bc ; unstack arc ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... /> rst next_char ; get angle
call expt_1num ; to calculator stack ... ; A to calculator stack
fwait ; enter calculator
fsub ... ; A to calculator stack
fwait ; enter calculator
fsub ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... ; return if so
rst error ; else
defb ... ; clear all work areas and calculator stack
call cls_lower ... ; handle NEW 128
rst error ; else
defb ... 0x1408
del_error:
rst error ; else
defb ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
...
open:
fwait ; enter calculator
fxch ; swap stream number ... /> org 0x1765
report_f:
rst error ; else
defb Bad_filename ... /> org 0x1793
report_o3:
rst error ; report
defb Bad_stream ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... /> org 0x39d2
renum_param:
rst get_char ; get next character
org 0x39ec
renum_error:
rst error ; report
defb Parameter_error ... stack_num ; floating point number to calculator stack
call fp_to_bc ; ... -
bit manipulation conundrumWhat's a neat way to change this bit pattern in registers BCDE: [code]Loop0: ;change B:00000000 C:abcdefgh D:ijklmnop E:qrstuvwx[/code] to this bit …
[QUOTE=RST#08;737814]Done the boring/ ... octal-decimal conversion. It took 28 seconds overall but for simplicity ... print the number rather than 28 seconds. -
Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... isn't that basically a RST 28h calculator call utilizing stack to ... -
Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…
... /> ld (23653),hl ;restore the calculator stack pointer
ret
L_24F9: RST $08
LD A, (BC ... )
RST $18
DEFB $0A
Line DemoI was looking in the source code of another game (that Akalabeth game), with lots of line drawings. The difference was that they don't use the PL…
... changing the parameters in the calculator stack van X,Y naar ... equ $2d28
rst 28h ; calculator start
defb 03h ; subtract ... , X, X0
rst 28h ; calculator start
defb 03h ; subtract ...The state of source level debuggingI was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of curr…
... check from which address the RST call was made (the address ... .
RST 0x28 code is floating point calculator reset for Sinclair ...
[/code]
New RST 0x28 will inject a jump ... we can write the new RST 0x28 handler.
[ ...Can't Get My Simple Code To RunHello again, I'm trying to run the following simple code: [code] org 32768 main ld b, 21 ; x coordinate is …
... printing your string: a looped RST 16 with a terminator byte ...
0023:16010157 DEFB of 28 bytes
0027:6F726C64
Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... x & y on the calculator stack. Remember that on the ...
26 NEXT z
28 NEXT x
999 PAUSE ...AugmentinelEnhanced Spectrum emulation isn't a new concept. Spec256 adds 8bpp graphics to some Spectrum titles. TileMap uses code hooks to synchronise game stat…
... some of the RST routines, particularly #08 and #28. I remember Starquake ...Hook CodesIf you've dug into the Interface 1 this should be an easy question. I last had 'em circa 1990 while I can remember the things they did Start Motor C…
... a program
Normally RST 8 handles exceptions eg
RST 08
DB 01 ;;produces " ... 2 Variable not found"
RST 08
DB 1A ;;produces ... error" (maybe, not certain)
RST 08
DB 1B ;;Starts ...THE SPECTRUM QUIZ IS HEREOkay folks, here are 30 questions. The person who EMAILS them to me with the most correct is the winner. No cheating, use your memory and not the W…
... Gremlins tearaway baby
28 What were you to do ...2 days Meeting in Holland 27-04-2002 and 28-04-2002For you who were not there, a short compilation! "Moorhuhn", the addictive internetgame which keeps 1000's of Germans out of work is released for th…
For you who were not there, a short compilation!
"Moorhuhn", the addictive internetgame which keeps 1000's of Germans out of work is released for the ZX Spectrum.
ZXPC_interface is received with a lot of enthousiasm and will be ...Quiz II - Son of QuizA small quiz that covers mostly Spectrum stuff, with the odd C64 question - extend your knowledge. Copy/paste into a reply - add your answers in the…
... . Spell it correctly!
28: Breakfast cereal wearing white t ...Quiz V - the revenge of D`n`C Ok, 50 quick fire questions.. some cryptic - you`ll have un unravel the clues to get the game name, while others are description of the game. Ther…
Ok, 50 quick fire questions.. some cryptic - you`ll have un unravel the clues to get the game name, while others are description of the game.
There are 63 points available this time.
You can either email your completed answers (along ...Selected 'The Hit Squad' Titles WantedHi folks, Does anyone have any of the following Hit Squad titles for sale ? : Arcade Collection: 2 Green Beret 12 Head Over Heels 23 Arkanoid II…
... Terminator 2 - Judgement Day
28 Simpsons - Bart Vs The Space ...Bowie fans in WoSAfter a successful upgrading of my PC I found that my previous internal 56K modem was bwehaving strangely to say the least. Days passed and I could n…
... home I borrowed an old 28.8 external modem from a ...Quiz - my first attempt!And so it is! My first attempt at a quiz... 1. All answers give 1 point unless otherwise stated, for a total of 33 points. 2. Give your answers excl…
... the loading screen.
28. Among the missions available in ...
