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Rom Cartridge - How does it work?So I've got me an IF2 and it has this ROM cartridge slot. How does it work? I read Paul Farrows site but one question remains unanswered. If I have o…
... you mean. but obv. screen mem needs to be dynamic / writeable , so ... same / couldn't write to.
screen mem on c64, you ... chars on screen.. (you can change the ink / paper to hide that ... -
Move objectHi again, I am using paper colors to represent game objects. I have a "paddle" that is 4 pixels wide. I save its position as a 2 byte word in memory…
... The code to convert your X coordinate to a screen position might ... Make DE point to the screen address and do ... copies attribute = PAPER 6 to the screen.
ld hl, de ... ; copies attributes = PAPER 6 to screen
ld hl ... -
Move objectHi again, I am using paper colors to represent game objects. I have a "paddle" that is 4 pixels wide. I save its position as a 2 byte word in memory…
... ; copies attribute = PAPER 6 to the screen.
ld hl, de ; HL ... *8 ; copies attribute = PAPER 6 to the screen.
[/code]
Gives ... *8 ; copies attributes = PAPER 6 to screen
ld h, d ... -
Games featuring... relevant bugsThere was a recent improvement to the WoS database in order to classify [URL="http://www.worldofspectrum.org/forums/showthread.php?t=34261"]Games fea…
... br />
When that particular screen is displayed there's a ... , without checking all of the screen handling.
It ... which might occur in a screen definition. The files simp-11 ... adjusts the base address from screen to screen, as they wouldn't have ... -
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 ; ... (area wraps, can be off screen, -20 is 20 pixels above ... here
; all changes to screen accumulate but no drawing is ... br />
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 ; ... (area wraps, can be off screen, -20 is 20 pixels above ... here
; all changes to screen accumulate but no drawing is ... br />
call sp1_UpdateNow ; draw screen now
[/code]
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... />
; Check the half screen byte to be changed, self-modifying the ... of the first byte to be changed on screen
; The row ... ; write result back to screen
inc d ; next screen location
inc ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... number (stored in A) to the corresponding screen address (stored in HL ... />
; Check the half screen byte to be changed, self-modifying the ... ; write result back to screen
inc d ; next screen location
inc ...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 ... , can't comment more, going to download WUNDERCHAR$ ZXDS.
< ... from mine. while im used to do everything myself, you heavily ... using stack for reading pointer to screen is quite waste. anyway, work ...New game: WUNDERCHAR$Hi All, Finally finished my latest game: Wunderchar$. [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/loadingscr.gif[/IMG][IMG]http://…
... months ago now) was to try a multi screen platformer, but I ... bring a bit more life to the screen.
[I]#7 ... using stack for reading pointer to screen is quite waste. anyway, work ... 2 ways to get the pointer to the screen from my screen address table ...Setting the border/paper/ink colours problem[deleted]
... /> ret
Neither appear to work when assembled and I ... the commands I'm using to run the them: PRINT USR ... print the value of BC to screen on exit from the mc ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... />
; Check the half screen byte to be changed, self-modifying the ... of the first byte to be changed on screen
; The row ... ; write result back to screen
inc d ; next screen location
inc ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... />
; Check the half screen byte to be changed, self-modifying the ... of the first byte to be changed on screen
; The row ... ; write result back to screen
inc d ; next screen location
inc ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... />
; Check the half screen byte to be changed, self-modifying the ... of the first byte to be changed on screen
; The row ... ; write result back to screen
inc d ; next screen location
inc ...Better or Worst! Speccy vs C64Just wanted to see what games you all thought looked better or played better on the Speccy or the C64? I always thought that Renegade & Target Ren…
writing direct to screen helps e.g. 3d games / ... there are a few ways to do that on c64 due ... to gfx modes, so I don' ... was a far faster way to code it , was a trick ...Screen sizeWhich screen size are you currently using to view WoS? 800x600 used to be the most common resolution, but with mobile devices and higher quality mon…
... his iphone.
Back to topic, I'm using 1920x1080 ... dpi is not only connected to screen resolution but it's size ... desktop looks like a 1280x900 screen with very clear font edges ... 1920x1080.
So back to the roots, do not design ...New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
... byte of the sprite pasted to screen, you only check maybe one ... , just check to see whether the byte on screen is zero or ... sprite on screen and carry on...
Perhaps to make it ... to be using a screen switching method, so checking to see if the screen ...FFS... (the ignorance of modern youth)Sorry for the foul acronym, but I was just talking to a bloke I work with, and I mentioned that Bob Hope's widow had just passed away, and he asked m…
... they don't seem to show anything like that ... anymore. but they seem to show westerns alot these ... a syndicated package, this applies to everyone (BBC, ITV, CH4, ... order for say ITV to screen the last 2 Harry ... include a lot of straight to DVD fodder.
FFS... (the ignorance of modern youth)Sorry for the foul acronym, but I was just talking to a bloke I work with, and I mentioned that Bob Hope's widow had just passed away, and he asked m…
... a syndicated package, this applies to everyone (BBC, ITV, CH4, Sky ... in order for say ITV to screen the last 2 Harry Potter ... include a lot of straight to DVD fodder.
Therefore ... TV stations are choosing not to buy the rights, or 2 ...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…
... (I've included a screen address table in txt format ... br /> ld (hl),a ; Write to screen (7)
inc ... ld hl,position_var ; Point to next screen position before POPing HL
scrntab defw 16384 ;screen address table
defw 16640 ...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…
... I think it's possible to do it. I anybody knows ... /> I have a few suggestions to improve the 'draw_tile_line' routine, if ...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…
... 't need to use 'position_var' since you can keep the screen address ... (de),a ; Write to screen
inc d ; Point to next line down ... de ; Restore DE and point to next print position
inc ...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…
... t need to use 'position_var' since you can keep the screen address ... (de),a ; Write to screen
inc d ; Point to next line down ...
inc l ; Point to next byte of source tile ... next_tile_line),hl ; HL now points to next address in tile table ...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…
... thinking about will perhaps be to change the address table so ... by roughly 3% is worth to waste few hundreds bytes. anyway ... . not saying it is worth to do so in most cases ... background is copied to screen and sprites are put directly to screen. so next ...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…
... /> ;--The coords are used to calculate the screen address ------------
;See ... LD H,B ;now HL = screen addr
AND %00000111 ;now ... /> LD (HL),A ;move to screen
POP HL ;coords
TZX format rev. 1.21Once 1.20 draft seems to be official now I would like to suggest some additiones to do on 1.21. I hope it will be easier to upgrade once block 19 has…
... has the advantage of allowing to store several files like screenshots ... into archive info you have to implement the logic for ... you have to make a new routine to print that field to screen.
All those tasks are easy but you have to ...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…
shando you might like this also
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how much of the code can be re-used though ? I mean you can use the logic , but how you draw to screen etc is different ?Better or Worst! Speccy vs C64Just wanted to see what games you all thought looked better or played better on the Speccy or the C64? I always thought that Renegade & Target Ren…
... thats VERY bias in favour to c64..
2 things ... />
3d iso's ... due to screen redraw cpu were slower on ... (e.g. sabautor and karnov to name but 2)
to hardware... part down to lazy ports and ...
