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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…
... read_keyboard
call update_playerpos
IF RETURN_TO_BASIC
ld a, (quitpressed ... mainloop
ENDIF
IF RETURN_TO_BASIC
returntobasic:
ld ... is not very compatible with PASMO I'm afraid.
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…
... and copy that to screen if you want
... ATTRIBS EQU #5800
MACRO DB_COLOUR ink, paper, bright, flash ... br /> ;
sprite8x8:
; if a = 0, use standard aligned ... /> quitpressed db 0
IF TIMING
last_frame 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…
... and copy that to screen if you want
... EQU 0
MACRO construct_new_line_data dir, ycoord, xcoord, maxlife ... the moment
REFILL_LINE_BUFF if no lines are being ... be drawn
DBG_CHECK_BUFFER_UNDERFLOW if set to 1 it ...Sort 2 byte words (x, y) on ypos, also question about swap (DE), (HL)Well that was a lot of debugging ;) But if you want a routine which takes an array of 16 byte words x, y and then sort them on y (ignoring x), I'm…
... think about tonight!).
If the data is aligned on ... the swap_word macro as well).
Tiny optimisation if the data ... />
EDIT2: Also, another optimisation if you pass sizeof array rather ...Sort 2 byte words (x, y) on ypos, also question about swap (DE), (HL)Well that was a lot of debugging ;) But if you want a routine which takes an array of 16 byte words x, y and then sort them on y (ignoring x), I'm…
... can beat 88 T-States (if HL and DE are aligned ... />
swap (HL), (DE) ; swap_word macro does this
I ... LDI which might be faster if you don't care about ... and AF', and works ok if your data is not aligned ...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…
... />
MACRO check_overlap obj1min, obj1max, obj2min, obj2max
; if obj1 max ... /> ; E = obj2 max
MACRO check_overlap_expanded expandamount
push hl ... ; A' = max life
MACRO construct_new_line_data dir, maxlife
push ...Island (the remix)I've been working on a more polished version of my C.S.S.C.G.C 2022 entry Island. So just like the old days I'd thought I create some over hyped prom…
... on the PC (MS Code, Pasmo and Fuse).
Paradigm was ... ideas for the next steps, if I every get a chance ...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…
... bc
ENDM
MACRO LD_SCROLL_SRC_DEST_LINE offset
push bc ...
ldir
IF RETURN_TO_BASIC
ld (stashed_iy), iy ... /> jr z, .loop
IF RETURN_TO_BASIC
returntobasic:
ld ...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…
... bc
ENDM
MACRO LD_SCROLL_N_SRC_DEST_LINE offset, nlines
push ... jr z, .loop
IF RETURN_TO_BASIC
returntobasic:
ld ... , cursor_col
undrawcursor:
; if the cursor was visible, erase ...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…
... bc
ENDM
MACRO LD_SCROLL_N_SRC_DEST_LINE offset, nlines
push ... jr z, .loop
IF RETURN_TO_BASIC
returntobasic:
ld ... , cursor_col
undrawcursor:
; if the cursor was visible, erase ...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…
... bc
ENDM
MACRO LD_SCROLL_N_SRC_DEST_LINE offset, nlines
push ... jr z, .loop
IF RETURN_TO_BASIC
returntobasic:
ld ... , cursor_col
undrawcursor:
; if the cursor was visible, erase ...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…
... bc
ENDM
MACRO LD_SCROLL_N_SRC_DEST_LINE offset, nlines
push ... jr z, .loop
IF RETURN_TO_BASIC
returntobasic:
ld ... , cursor_col
undrawcursor:
; if the cursor was visible, erase ...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…
... bc
ENDM
MACRO LD_SCROLL_N_SRC_DEST_LINE offset, nlines
push ... jr z, .loop
IF RETURN_TO_BASIC
returntobasic:
ld ... , cursor_col
undrawcursor:
; if the cursor was visible, erase ...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…
... /> ENDM
MACRO LD_SCROLL_N_SRC_DEST_LINE offset, nlines
push ... /> call heap_reset
IF RETURN_TO_BASIC
ld (stashed_iy), iy ... , .loop
IF RETURN_TO_BASIC
returntobasic:
ld ...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…
... arguments.
Added this macro:
[code]
; cpair ... +2 in HL
MACRO CPAIRPLUS2_GET_REST
inc hl
EDIT2: Unfortunately it crashes if you try 1+ 1+ 1 ...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…
... /> ENDM
MACRO LD_SCROLL_N_SRC_DEST_LINE offset, nlines
push ... /> call heap_reset
IF RETURN_TO_BASIC
ld (stashed_iy), iy ... , .loop
IF RETURN_TO_BASIC
returntobasic:
ld ...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…
... EQU #7F
MACRO SYM_TBL_ENTRY symbol, handler, evaltime
MACRO LD_SCROLL_SRC_DEST_LINE offset
push bc
IF SCROLL_SMALL
ENDM
MACRO LD_SCROLL_N_SRC_DEST_LINE offset, nlines
push ...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…
...
ENDM
MACRO LD_SCROLL_SRC_DEST
push bc
MACRO LD_SCROLL_SRC_DEST_LINE offset
push bc
IF SCROLL_SMALL
ENDM
MACRO LD_SCROLL_N_SRC_DEST_LINE offset, nlines
push ...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…
... ; cpair+2 in HL
MACRO CPAIRPLUS2_GET_REST
call inchl_ldhl_contentshl
ENDM
MACRO LD_SCROLL_SRC_DEST
push bc
MACRO LD_SCROLL_SRC_DEST_LINE offset
push bc
IF SCROLL_SMALL
Hardware Reference Manual for ZX SpectrumHi, I want to write games for ZX Spectrum in assembly language. I have lot of books in PDF format from SpectrumComputing. Still missing a book lik…
... .
we can use a macro-assembler like Macroassembler AS for ... in another area of RAM, if the area of the current ...Kempston problems in XPOK, I've been running ZX32 on Win98 for a year or so and using my Sidewinder Pro pads with games providing the Kempston joystick option. Everything …
... anyone else experienced this and, if so, how the hell do ...Speccy emulator for the palmDoes anybody know if there is a speccy emulator for the palm os? Thanks
Does anybody know if there is a speccy emulator for the palm os?
Thanks+3 disks and pc'sHi, This is my first post, and was wondering if someone could help me. I have some +3 disks from my original +3 that I want to put on my pc to use i…
... first post, and was wondering if someone could help me. I ... be happy to upload mine if possible.
Thanks in ...plus3Does anyone know if there is a windows prugram not dos That can copy files from disk to disk to disk like star commander for c64 can
Does anyone know if there is a windows prugram not dos That can copy files from disk to disk to disk like star commander for c64 canDISCOVERY ... AGAINDo you know if Discovery were sold, in the beginning, with a diskette " system ", utilities or others? If yes, where can I find these softwares? H…
Do you know if Discovery were sold, in the beginning, with a diskette
" system ", utilities or others?
If yes, where can I find these softwares? Here ?
Thanks !DISCOVERY ...Hi, I have just bought a DISCOVERY drive for Spectrum, but i have not the documentation with it... Do you think that i can find it on this "marvelous…
... 3 1/2 disks...
If not, do you know someone ...Saving game progressI was just wondering if there is any way to save my game progress on they stole a million (just been searching through the loft and found it, remembe…
I was just wondering if there is any way to ...AY PlayerI'm working on a frontend DB and would like to include an option that plays Speccy music/fx via AY Player. Does any1 know if there is a .dll that I…
... .
Does any1 know if there is a .dll that ... have to code my own? If there is, is there any ...
