-
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…
... hl
; look up screen address from the table
ld ... to be 16-bit inc
push hl
; look up screen address ... hl
; look up screen address from the table
ld ... br /> ALIGN 256
; screen address table. This must be 256 ... -
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…
... requires tbl_scraddr be aligned to a 256 byte boundary< ... b
; look up screen address from the table
ld ... /> ; blit 8 pixel row to screen
ld a, (de ... line. Too many beers to explain why ;) An 8 ... like that are safe to change as well (but ... -
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…
... ]
; de pointer to 8 bytes graphic data
to a 256 byte boundary ...
; look up screen address from the table
... )
; copy this to HL but add col onto ... ; blit 8 pixel row to screen
ld a, (de ... -
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…
... :
; blit 16 pixel rowdata to screen in cells at column C ... e
; next row, calculate screen address
pop hl
; move ...
; blit 16 pixel rowdata to screen in cells at column C ... -
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…
... />
attr equ 22528 ; start screen attribute field
lastk equ 23560 ...
;common words/tokens to read instead off numbers
screen (wraps to next line), but I ... -
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…
... screen address
inc hl ; hl points to high byte of screen address ...
ld d, (hl) ; d = high byte of screen address ...
ex de, hl ; hl = screen address of ... add hl, de ; adjust screen address for col
ld ... -
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…
ORG 32768
FONTBASE EQU #3c00
main:
; make Spin disassembler dissassemble first real instruction correctly
nop
nop
nop
nop
; air supply
airloop ld ix, spr_8x8
ld hl, txt_air< ... -
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…
... [code]
; de = pointer to 32 bytes graphic data
; look up screen address from the table
... blit 16 pixel rowdata to screen in cells at column ... blit 16 pixel rowdata to screen in cells at column ... a routine to use that to draw a map ... -
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…
[code] ORG 32768
FONTBASE EQU #3c00
main:
; make Spin disassembler dissassemble first real instruction correctly
nop
nop
nop
nop
; air supply
airloop ld ix, spr_8x8
ld hl, ... -
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…
... ; point IX it to the 4 byte sprite buffer ... /> wearefine
; NEED TO DO THE ROW CHECK BEFORE ...
; we need to get the column back in ... ; this is what we tried to do before calling
; ... don't need to do it again
; ... -
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…
... a shorter lookup table (one screen address per row instead of per ...
; blit 16 pixel rowdata to screen in cells at column C ...
; blit 16 pixel rowdata to screen in cells at column C ...
; blit 16 pixel rowdata to screen in cells at column C ... -
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…
... /> ; point IX it to the 4 byte sprite buffer ... /> wearefine
; NEED TO DO THE ROW CHECK BEFORE ... text_out
; we need to get the column back in ... ; this is what we tried to do before calling
; ... don't need to do it again
... -
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…
... to be 16-bit inc
push hl
; look up screen address ...
; look up screen address from the table
... br /> ; next row, calculate screen address
pop hl
... br /> ALIGN 256
; screen address table. This must be 256 ... -
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…
... to be 16-bit inc
push hl
; look up screen address ...
; look up screen address from the table
... br /> ; next row, calculate screen address
pop hl
... br /> ALIGN 256
; screen address table. This must be 256 ... -
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…
... to be 16-bit inc
push hl
; look up screen address ...
; look up screen address from the table
... br /> ; next row, calculate screen address
pop hl
... br /> ALIGN 256
; screen address table. This must be 256 ... -
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…
... /> ; A -> attrib to set when clearing screen
cls:
di ... #A000 if you want to draw directly to the screen
; (not recommended ... that), but drawing to the screen is easiest thing to do
; so ... -
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…
... of screen address
inc hl ; hl points to high byte of screen address
screen address
ex de, hl ; hl = screen address of cell at ... byte lookup table to get the screen row starting address and the old ... -
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…
... of screen address
inc hl ; hl points to high byte of screen address
screen address
ex de, hl ; hl = screen address of cell at ... byte lookup table to get the screen row starting address and the old ... -
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…
... point it to an off screen buffer and copy that to screen if ... /> ; blit 16 pixel rowdata to screen in cells at column C ... /> ; blit 16 pixel rowdata to screen in cells at column C ...
ALIGN 256
; screen address table. This must be 256 ... -
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…
... to be 16-bit inc
push hl
; look up screen address ...
; look up screen address from the table
... br /> ; next row, calculate screen address
pop hl
... br /> ALIGN 256
; screen address table. This must be 256 ... -
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…
... it to an off screen buffer and copy that to screen if ... SCRBUF_BASEADDR is just the screen address, might want to change it if I ... am forced to not draw directly to the screen.
WINDOW_ ... after the screen)
STRIPES set to 1 to draw yellow paper ... -
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…
... /> ; blit 16 pixel rowdata to screen in cells at column C ... e
; next row, calculate screen address
pop hl
; move ... /> ; blit 16 pixel rowdata to screen in cells at column C ... /> ; blit 16 pixel rowdata to screen in cells at column C ... -
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…
... drawn backwards from startpoint X to startpoint X - 7
... ; this requires tbl_scraddr be aligned to a 256 byte boundary
; look up screen address from the table
ld ... this requires tbl_scraddr be aligned to a 256 byte boundary
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…
... to be 16-bit inc
push hl
; look up screen address ...
; look up screen address from the table
... br /> ; next row, calculate screen address
pop hl
... br /> ; next row, calculate screen address
pop hl
...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…
... drawn backwards from startpoint X to startpoint X - 7
... ; this requires tbl_scraddr be aligned to a 256 byte boundary
; look up screen address from the table
ld ... this requires tbl_scraddr be aligned to a 256 byte boundary
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... good.
Trying to rejink tokenize into gettoken which ... for adventure parsing, need to allow punctuation after the closing ... day did not clear the screen, make the attributes ink ... only code loaded to and executed from the screen address space hmm?Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... day did not clear the screen, make the attributes ink and ... so they could have up to 6912 bytes of initialisation only ... code loaded to and executed from the screen address space hmm?[/quote ... . Most initialization code you want to keep around because that's ...WinCE Emulator HELP PLZZZ!!!I have LG Phenom Handheld. Just installed Spectrum Emu for WinCE. When I try to load game it looks like it is loading but very quickly and then scree…
... for WinCE. When I try to load game it looks like ... but very quickly and then screen returns to blank with Copyright string ... help.
Pls reply to e-mail
Thanksthinking of a gameI cant remember the name of this game. Basically you were a team of people. Although I distinctly remember one thing you had control over was a lar…
... .
And you had to walk around this space ship ... player. But I would like to know if you remember this ... could you send me a screen capture to confirm [email="jeremy@asap ...Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…
... Washoe the chimp trying to learn learn sign language, ... not entirely sure how to port a compiled binary ... but it wants an address to load to. Is there any ... other peoples source code to run yet, let alone ... />
Secondly, 16384 to 23296 is the graphics memory ...
