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Three questions about Spin1) Why when I load a TZX file without any acceleration/flash loading etc. I can't see the familiar red/cyan and yellow/blue stripes but just a series…
... (I do not like the pixel scaling effect of Direct Draw ... 800x600, this is not an exact multiple. Therefore, the pixels will ... -
Program sizeI am typing a basic program into a ZX and I need to find out exactly how much memory it is using. Is there a way to calculate this? :confused:
... 23627+256*peek 23628
print vars-prog; " bytes"
exact size of the BASIC program. -
Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... t remember exact number), ULA starts draw sequence: left border-pixel screen ... - right border for every pixel line (one line takes 224t ... . during this time (drawing pixel part of screen, not left ... page). it slows down (the exact rules are rather complicated and ... -
IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
...
; based as opposed to pixel based system
; ... CALL PChar
; Only print a 3rd column if moving ... /> RET Z
; Print 3rd column, checking for wrapping ... -
IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
...
; based as opposed to pixel based system
; ... /> CALL WrapCharVertically
; Print next char and move to ... /> CALL WrapCharVertically
; print the last blank char
An emulator(another on of my projects) Does anyone know how to write an emulator? The emulated computer is very simple (a MK14, infact -also by Sir Clive) and a…
... be able to print text at anywhere on screen, pixel rather than ...An emulator(another on of my projects) Does anyone know how to write an emulator? The emulated computer is very simple (a MK14, infact -also by Sir Clive) and a…
... be able to print text at anywhere on screen, pixel rather than ... least on Spectrum ) to print at any pixel position rather than cell ...An emulator(another on of my projects) Does anyone know how to write an emulator? The emulated computer is very simple (a MK14, infact -also by Sir Clive) and a…
... speed.
I could print to a backscreen, but am ... things like having a 30 pixel high scroller bobbing across the ... out screen address for a pixel and setting it in that ...Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... and add offset based on pixel position of ycar
LD ... />
; PCHAR
; PRINT A 1*8 CHAR TO ...Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... and add offset based on pixel position of ycar
LD ... />
; PCHAR
; PRINT A 1*8 CHAR TO ...Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... and add offset based on pixel position of ycar
LD ... />
; PCHAR
; PRINT A 1*8 CHAR TO ...jet set willy in b.a.s.i.c (oh, even more horrors!!!!!!!!)what about jet set willy in b.a.s.i.c ? is anyone doing that? i think it's a really bad idea, but it's sure is a funny one! oh yes, i do know a littl…
... it's area as the print function didn't have a ... at all.
For pixel perfect collision with the gaurdians ...jet set willy in b.a.s.i.c (oh, even more horrors!!!!!!!!)what about jet set willy in b.a.s.i.c ? is anyone doing that? i think it's a really bad idea, but it's sure is a funny one! oh yes, i do know a littl…
... it's area as the print function didn't have a ... all.
[/quote]
PRINT OVER 1; ;)
Okay ... .
[quote]
For pixel perfect collision with the gaurdians ...Pixel LimitIF Y3<192 THEN : LET x2=INT (128+X*A*SIN A): LET y2=INT (Y3): DRAW INK
[quote]
On 2004-11-16 21:44, dalmudlee wrote:
I have never seen this graphics restriction before. Why does the Spectrum have this limitation?
1720 FOR A=0 TO INT ((50*3.14)-38) STEP 3.14/P
1730 LET Y3=96+Y*A*COS A
Help!For a book i am writing i need to know the following things 1. what was the first speccy game 2. what was the first speccy game 3. what was the exact…
...
3. what was the exact release date for "Skool Daze ... was called
10 PRINT "CHAOSMONGERS IS SKILL": GOTO 10 ...Manic Miner Basic Source?Is there any sinclair basic source for Manic Miner going around on the net? also does anyone have any good guides which can get one started on making…
... lets you move a single pixel(PLOT x,y) around the ... , when you have a single pixel moving without leaving trails, add ... in another(uncontrolled) pixel and make the program print "hit" when you ...z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... at pixel precision horizontally (as opposed to being confined on exact character ...z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... is always drawn at an exact horizontal char coordinate (requiring no ... the sprite is drawn at exact vertical character coordinates (requiring no ... column (nor the 7 blank pixel rows above each column). The ...z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... sprites and graphics primitives. Every pixel can be any colour. ... to change relative print position, so you can print these "large ... 255). The sp_PrintAt functions will print them correctly, but the ... switch to the font charset, print the text" don't work ...(Somewhat OT) Circular regression analysisI'd like to be able to regenerate the "Tunnel" image from [I]Jumbly[/I] (that's why this post is only "somewhat" off-topic), but to do so I need to b…
... sure I fully understand the exact degree of precision you require ... a result with considerable sub-pixel accuracy.
Guess I ...Old Source CodeWhilst searching through some old boxes today I came across some printouts of some old m/c programs I did back in the 80's. I obviously couldn't code…
I have some print outs of a Windowing and ... the attributes to display each pixel.
I created some really ...Treasure Islandizzy bugNow I?ve noticed a strange thing in Dizzy 2 - when going into the water with Sinclair Abuser Mag+Small Video Camera+Rubber Snorkle and taking the Coi…
... exact purpose of the toothpaste, we should try to examine every pixel ...z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... regular sprites are, to pixel precision. The same API function ... they are only drawn at exact vertical character coordinates (otherwise ... There must be 7 blank pixel rows above each sprite column ... simulate downward movement in pixel increments when the sprite ...z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... use the sprite engine to print scores, for example. But ... ).
For horizontal pixel rotation, each "struct sp1_cs" contains ... a pointer to the 8x8 pixel graphics occupying the "struct ... This negative offset for vertical pixel placment is the reason why ...z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... monochrome mode and a 32x192 pixel + 32x192 attribute mode. These work ... MSX1 has the same 32x192 pixel + 32x192 attr mode as the ... MSX1 version will use the exact same graphics format as the ... in graphics mode 2 (256x192 pixel, 32x192 colour) but only allow ...Wanted: Game Ideas!Ok then here goes nothing. I'm a reasonably good programmer, but I'm really no good at coming up with game ideas and graphics. So if any of you have…
... /> - Up to 256 unique 8x8 pixel background tiles can be displayed ... are strings that can have print position commands embedded. Other commands ... include "subroutine calls" (print a printstring stored elsewhere and ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... be redrawn. Each time you print a character to the background ... remember that every time you print to the background or move ... type are copied into the pixel and attribute buffer and any ... on top. Finally, the finished pixel and attribute buffer are copied ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... you only draw sprites to exact horizontal character coordinates or ... to place sprites at exact vertical pixel locations, and you will ... to place sprites at exact vertical pixel coordinates even without the ... array must begin at an exact 256-byte page, meaning ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... simply create ten masked 16x16 pixel sprites and move them around ... applied, graphic always drawn at exact tile boundary
#define SP1_ID_MASK2_LB ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... letter to represent each 8x8 pixel sprite character. As we've ... is only ever drawn at exact character coordinates.
... have to add to accommodate pixel precise placement of the sprite ... the sprite is drawn to exact character coordinates, the final ...
