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Frank N SteinThis one > [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0001849[/url] Always seems to crash about level 7 (maybe a bit more) or so with an …
... part that draws the introduction screen (tune and running man) goes ... decompile. I'm still getting stack underrun errors. I know it ... -
Creating a Demo with TommyGunSome of you may have caught the thread in 'new game ideas' concerning Super Stick Man (a title that WILL eventually change due to how the graphics ha…
... (area wraps, can be off screen)
ld bc,-20 ... /> call sp1_MoveSprPix_callee
; stack was cleaned up by subroutine ...
; all changes to screen accumulate but no drawing is ... />
call sp1_UpdateNow ; draw screen now
[/code]
Creating a Demo with TommyGunSome of you may have caught the thread in 'new game ideas' concerning Super Stick Man (a title that WILL eventually change due to how the graphics ha…
... (area wraps, can be off screen)
ld bc,-20 ... /> call sp1_MoveSprPix_callee
; stack was cleaned up by subroutine ...
; all changes to screen accumulate but no drawing is ... />
call sp1_UpdateNow ; draw screen now
[/code]
1K ZX81 "Chariddy" games competition mate..I'm trying to put together a Cronosoft 1K ZX81 gamestape in the style of the old "JK GREYE" 10 games tape that I remember owning about 28 years ago. …
... need a certain amount of stack space, so a 1K program ... bytes maze, 200 bytes HiRes Screen, the default sysvars and the ...New game: WUNDERCHAR$Hi All, Finally finished my latest game: Wunderchar$. [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/loadingscr.gif[/IMG][IMG]http://…
... like my name on greetings screen
#3 I really ... feel that using stack for reading pointer to screen is quite waste ... . anyway, work with stack is another ...New game: WUNDERCHAR$Hi All, Finally finished my latest game: Wunderchar$. [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/loadingscr.gif[/IMG][IMG]http://…
... like my name on greetings screen[/I]
Well deserved: ... feel that using stack for reading pointer to screen is quite waste ... . anyway, work with stack is another ... the pointer to the screen from my screen address table (not ...New game: WUNDERCHAR$Hi All, Finally finished my latest game: Wunderchar$. [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/loadingscr.gif[/IMG][IMG]http://…
... the pointer to the screen from my screen address table (not using ... the index table or the stack pointer. I found the former ... back. if you want avoid screen address arithmetic then your code ... already) and when you use stack to read graphics and compute ...Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…
... to the loading routine, as stack-related instructions and the instruction ... .
- It shows its loading screen as it loads, so you ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... Enter and proceed to next screen (game selection menu) both ... an alternating sequence of title screen and screen from first level: Central ... faulty and somehow damaging the stack or corrupting the PC. I ... of PC popped from the stack at the end of interrupt ...machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... .
It sets the machine stack to the end of the ... ROM LD-BYTES routine, a SCREEN$ without of course revealing the ...machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... would be to load the screen$ then load the snapshot ...
30 LOAD ""SCREEN$: REM load the screen$ from basic
... the code just moves the stack to the end of the ... buffer (so that the stack is out of the way ... paper black, loads a SCREEN$ and the last load ...machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... code just clears the screen and loads a SCREEN$, so is unimportant ... first line which moves the stack pointer to the end of ...machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... 16384
1st block - screen$
2nd block - 24e3,41536 ... at 16384 would set the stack or anything else that had ...BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…
... I've always had the stack at the top of memory ... near the top of the screen, the border would flash ... at the top of the screen.
I ... wave effect on the title screen. Even then I still ...
There are some huge screen address tables in there that ...machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... BASIC workspace and the stack, so even after having ... of 65367 with the stack below I presumed that ... could preserve the original stack by not saving the ... one is just a SCREEN$, the second one with ... the LOAD addressing the lower screen.
[code]
...machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... , I noticed that the lower screen still wasn't right. After ... the ERR_SP address on the stack, I just changed that to ... loader, which gives a perfect screen display. (Note that I've ... and LOADed that, then the screen got messed up (this works ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... exited as soon as title screen vanished which let me ... to crash right after title screen, without pressing anything. What ... life" or "break when screen display gets distorted". Is there ... return addresses depending on current stack contents etc., not to mention ...Kobrahsoft DB1 - doesn't work?Hi, I've tried loading [URL="http://www.worldofspectrum.org/infoseek.cgi?regexp=^DB1$&pub=^Kobrahsoft$&loadpics=3"]DB1 by Kobrahsoft[/URL] into two …
... of the screen is because the decryption routine puts the stack at ...Address of monitor to load emulator files into real SpeccyI have a monitor/debugger that can load data over serial port really fast. Now I would like to extend it to load standard emulator files over the ser…
Running the monitor in screen memory will let you load ... of anyone that uses the screen memory for storing data, but ... Flash to memory and uses screen memory for intermediate code storing ... , and some bytes more for stack), and then load the game ...Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
... />
ld (32859),sp ; Preserve stack pointer
and
ld ... of each line on the screen?Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
... />
ld (32859),sp ; Preserve stack pointer
and
ld ... of each line on the screen?[/QUOTE]
I never ...Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
... ld (hl),a ; Write to screen (7)
inc ... position_var ; Point to next screen position before POPing HL< ... br /> ld (stackptr_temp),sp ; Preserve stack pointer
ld sp ... br /> scrntab defw 16384 ;screen address table
defw ...Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
... can keep the screen address directly in the stack:
[CODE]
ld (de),a ; Write to screen
inc d ; Point to ...Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
... can keep the screen address directly in the stack
[/QUOTE]
stack, just reset the value of ... /> ld (de),a ; Write to screen
inc d ; Point to ...Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
... ago to blank out the screen by pointing SP to it ... />
[CODE]; Scrolling using the stack poiner?!?!
;
;
;
line, plot and circle in whole 256x192 displayhi! are there some way to draw lines, or whatever, in the whole 256x192 display, than just the above 256x176 part? (this is the msx1 version i made o…
... go
POP HL ;clear stack
RET ;ready with ... LD H,B ;now HL = screen addr
AND %00000111 ;now ... LD (HL),A ;move to screen
POP HL ;coords
Barleywood Z80 Simulator LicenceHi All, Does anybody know if it is still possible to get a Licence for this Simulator? The reason I ask is that I'm currently using it to develop a…
... a view of memory, registers, stack etc on display along side ... and watch what happens on screen while you see exactly what ...Barleywood Z80 Simulator LicenceHi All, Does anybody know if it is still possible to get a Licence for this Simulator? The reason I ask is that I'm currently using it to develop a…
... a view of memory, registers, stack etc on display along side ... and watch what happens on screen while you see exactly what ... could show what happens on screen
