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Keyboard (simultan pressed keys) Test Program in MCode like Vyacheslav Strunov´s Port demo v3.1Anybody here knows of another good Keyboard Tester program (for simultanous pressed keys and in Machinecode) like this: Port Demonstration 3.1 by Vy…
... it better with pressing 1, 3 and 0 together:
[img]http ... -
Additional Information , Notes , and Details , re.the Main Windows Edition of Spectaculator There is no lenghy instruction to go with Spectaculator . Mark did a great job adding extra info. with this thread:- [url="https://worldofspectr…
... /> const int Pin_ButtonTurbo = 0;
const int Pin_ButtonJoyStickMode = 1;
const ... (rapidfirespeedindex)
{
case 1:turbofiredelay=turbofirespeeds[0];break;
case 3 ... -
How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…
... 191,33,1,64,17,0,64,175,197,1,31,0,237,176 ... /> int main()
{
while (1)
{
scroll_left();
while (1)
{
scroll_left();
1,64,17,0,64,175,197,1,31,0,237,176 ... -
Scientists puzzled by "Dark Matter" maphttps://www.bbc.co.uk/news/science-environment-57244708 I have to admit this is a bit over my head - however it is interesting and it has the scie…
... into a 1:1 correspondence with natural numbers:
1 -> 0
... of real numbers between 0 and 1 has more numbers ...
e = 1/0! + 1/1! + 1/2! + 1/3! + 1/4! + ...
where 0! = 1 by convention ... (e.g. between 0 and 1) the probability it is ... -
Computer Space and Beyond - 50 years of video gaming.A nice article by the BBC on 50 years of video gaming: https://www.bbc.com/news/technology-58281812
... said something like "Time Limit = 1", all you had to do ... was change the 1 to a 0 and save it, and ... -
Computer Space and Beyond - 50 years of video gaming.A nice article by the BBC on 50 years of video gaming: https://www.bbc.com/news/technology-58281812
... said something like "Time Limit = 1", all you had to do ... was change the 1 to a 0 and save it, and ... -
Strongest aspect of Spectrum BASICWhat would you say is the strongest aspect of Spectrum BASIC compared to other BASICs on other micros at the time. I think it might have been the Fun…
... CLS
70 PRINT AT 0,12;"Y=";M;"X+";C ... 63
90 PLOT X,0
100 NEXT X
110 ... =0TO 43
120 PLOT 0, Y
130 NEXT Y ... -
Strongest aspect of Spectrum BASICWhat would you say is the strongest aspect of Spectrum BASIC compared to other BASICs on other micros at the time. I think it might have been the Fun…
... CLS
70 PRINT AT 0,12;"Y=";M;"X+";C ... 63
90 PLOT X,0
100 NEXT X
110 ... =0TO 43
120 PLOT 0, Y
130 NEXT Y ... -
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…
... , 1 (0-1)
bright equ 19 ; bright, 1 (0-1)
inverse equ 20 ; inverse,1 (0-1 ... )
over equ 21 ; over , 1 (0-1 ... -
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…
... br /> 1 byte: column (0-31)
1 byte: row (0-23)
1) becoming 24, if so ...
ld (ix+2), 0
ld (ix+3), 18 ... spr_8x8 dw 0
spr_8x8_x db 0
spr_8x8_y db 0
< ... the text AIR at column 0 row 18.
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…
... , 1 (0-1)
bright equ 19 ; bright, 1 (0-1)
inverse equ 20 ; inverse,1 (0-1 ... )
over equ 21 ; over , 1 (0-1 ...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…
... , 1 (0-1)
bright equ 19 ; bright, 1 (0-1)
inverse equ 20 ; inverse,1 (0-1 ... )
over equ 21 ; over , 1 (0-1 ...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…
... comma.
str0 defm 0,at,0,0,ink,9,paper,3,"Screen ... #0-UDG", 144 ; add UDG A ...
defm at,1,0,ink,9,paper,1,"Screen#0at1,0"
defb ...
str0 defm 0,at,0,0,ink,9,paper,3,"Screen ...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…
... , 1 (0-1)
bright equ 19 ; bright, 1 (0-1)
inverse equ 20 ; inverse,1 (0-1 ... )
over equ 21 ; over , 1 (0-1 ...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…
... , 1 (0-1)
bright equ 19 ; bright, 1 (0-1)
inverse equ 20 ; inverse,1 (0-1 ... )
over equ 21 ; over , 1 (0-1 ...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…
... , 1 (0-1)
bright equ 19 ; bright, 1 (0-1)
inverse equ 20 ; inverse,1 (0-1 ... )
over equ 21 ; over , 1 (0-1 ...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…
Well you probably don't want to support drawing text off the screen edges and word wrap. Understanding that code will help you work out how to do more stuff though.
You're also better off drawing 16x16 sprites all in one go (see sprite16x16a ...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…
[quote="Paradigm Shifter;993493"]Well you probably don't want to support drawing text off the screen edges and word wrap. Understanding that code will help you work out how to do more stuff though.
You're also better off drawing 16x16 ...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…
...
DRAWMIDDLEROWS EQU 1
DRAW_LEVEL_EVERY_FRAME EQU 0; This is way too ... , 0, 1, 0
DB_COLOUR 1, 0, 0, 0
DB_COLOUR 7, 1, 1, 0
DB_COLOUR 6, 2, 0, 0
DB_COLOUR 7, 6, 1, 0
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…
... , 0, 1, 0
DB_COLOUR 1, 0, 0, 0
DB_COLOUR 7, 1, 1, 0
DB_COLOUR 6, 2, 0, 0
DB_COLOUR 7, 6, 1, 0
DB_COLOUR 6, 2, 1, 0
level0 db WALL ...Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…
... NOPS_AT_START EQU 0
RETURN_TO_BASIC EQU 1
TIMING EQU 1
... br /> ld b, 1
ld c, 0
ret
cp WINDOW_BOTTOM + 1
jr z, .noupdateY ... stashed_iy dw 0
stashed_hl_alt dw 0
quitpressed db 0
Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…
main, mainloop, read keyboard and update player
[code]
ORG 32768
main:
IF NOPS_AT_START
nop
nop
nop
nop
ENDIF
IF RETURN_TO_BASIC
ld (stashed_iy), iy
...Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…
...
ld b, 1
ld c, 0
ret
cp WINDOW_BOTTOM + 1
jr z, .noupdateY< ... ex af, af'
construct_new_line_data 0, 24
ret
... ex af, af'
construct_new_line_data 1, 24
ret
...What's on your saucer?Thanks go out to frobush and zx1 for inspiring* this WoSser to create a yet another excellent WoS thread. Lunch 10 minutes ago. [IMG]http://i300.ph…
Apples should be INK 2, 4 or 6.
Although I think the apple logo is INK 1 or INK 0 (may be INK 5 thinking about it). Apple logo of the Beatles was mainly INK 7 with a bit of INK 4 (on one side anyway, was INK 4 on the other side).Physics threadProbs best to not confuse Physics with "Been to the Cinema recently"? Physic away! I'm only good at maths though, sorry.
... ratio of the successive numbers 1, 1, 2, 3, 5, 8, 13 ... /> Golden ratio is (1 + sqrt(5))/2 ~= 1.6180339887498948482045868343656
which ... that 1/golden ratio = 1 - golden ratio
1/golden ratio ~= 0.61803398874989484820458683436564
