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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…
... the ink colour
or b ; OR in the ink colour
3 pushes
ld h, a ... EQU 0
WALL EQU 1
LEVEL_EXIT EQU 2
CRATE EQU 3 ... , 2, 0, 0
DB_COLOUR 7, 6, 1, 0
db 4
db 5
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…
main, mainloop, read keyboard and update player
[code]
ORG 32768
main:
IF NOPS_AT_START
nop
nop
nop
nop
ENDIF
IF RETURN_TO_BASIC
ld (stashed_iy), iy
...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…
... br /> ld a, (char_buff+3)
ld c, a ... /> ld c, 0 ; 0 for positive number, 1 for negative
... /z80bits.html#5.1
; and the 2's complement ... ld a, 0 ; Note that XOR A or SUB A would ... .num1
ld a, '0' - 1
.num2
inc ...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…
... LD_SCROLL_SRC_DEST
LD_SCROLL_SRC_DEST_LINE 1
LD_SCROLL_SRC_DEST_LINE 2
LD_SCROLL_SRC_DEST_LINE 3
LD_SCROLL_SRC_DEST_LINE 4 ... /> inc l
add 5 ; 5 keys per half-line
0 (A=0)
or a
jr nz ...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…
... LD_SCROLL_SRC_DEST
LD_SCROLL_SRC_DEST_LINE 1
LD_SCROLL_SRC_DEST_LINE 2
LD_SCROLL_SRC_DEST_LINE 3
LD_SCROLL_SRC_DEST_LINE 4 ... /> inc l
add 5 ; 5 keys per half-line
0 (A=0)
or a
jr nz ...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…
... LD_SCROLL_SRC_DEST
LD_SCROLL_SRC_DEST_LINE 1
LD_SCROLL_SRC_DEST_LINE 2
LD_SCROLL_SRC_DEST_LINE 3
LD_SCROLL_SRC_DEST_LINE 4 ... /> inc l
add 5 ; 5 keys per half-line
0 (A=0)
or a
jr nz ...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…
... LD_SCROLL_SRC_DEST
LD_SCROLL_SRC_DEST_LINE 1
LD_SCROLL_SRC_DEST_LINE 2
LD_SCROLL_SRC_DEST_LINE 3
LD_SCROLL_SRC_DEST_LINE 4 ... /> inc l
add 5 ; 5 keys per half-line
0 (A=0)
or a
jr nz ...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…
... /> LD_SCROLL_SRC_DEST_LINE 2
LD_SCROLL_SRC_DEST_LINE 3
LD_SCROLL_SRC_DEST_LINE 4
LD_SCROLL_SRC_DEST_LINE 5
... belength 1", 0 ; character literal not length 1
str_err_badlyformedliteral db "string or character ...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…
... de ; cpair
call cpair_setlinkptr ; (1 (2 3))
ld a, TAG_INT16
5.2
ltohexstr:
ld ... br /> inc l
add 5 ; 5 keys per half-line
; if half-line is 0 (A=0)
or a
jr nz ...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…
... de ; cpair
call cpair_setlinkptr ; (1 (2 3))
ld a, TAG_INT16
5.2
ltohexstr:
ld ... br /> inc l
add 5 ; 5 keys per half-line
; if half-line is 0 (A=0)
or a
jr nz ...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…
... LD_SCROLL_SRC_DEST
LD_SCROLL_SRC_DEST_LINE 1
LD_SCROLL_SRC_DEST_LINE 2
LD_SCROLL_SRC_DEST_LINE 3
LD_SCROLL_SRC_DEST_LINE 4 ... /> inc l
add 5 ; 5 keys per half-line
0 (A=0)
or a
jr nz ...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…
... LD_SCROLL_SRC_DEST
LD_SCROLL_SRC_DEST_LINE 1
LD_SCROLL_SRC_DEST_LINE 2
LD_SCROLL_SRC_DEST_LINE 3
LD_SCROLL_SRC_DEST_LINE 4 ... /> inc l
add 5 ; 5 keys per half-line
0 (A=0)
or a
jr nz ...Entire Sinclair Software Collection For Sale - Built Up Since 1988!Sinclair Spectrum Software For Sale Information below includes the title of the software, the type of media it is supplied on and the price. I can a…
...
48K/128K/+2/+3 Cassette
?0.50
48K/128K/+2/+3 Cassette
?1.50
48K/128K/+2 (2 Cassettes)
?5.00
or Excellent quality.
* ...virtual ZX party - send Your works!!!! :)Hi there! Below You can find rules of virtual ZX party - ANTIQUE TOY 2004. Read it and send Your works to e'mail addresses contained in the rules…
... contest
--- 1. ORGANIZERS ----------------------------------------------
--- 3. SEND YOUR WORKS HERE ... /> work is 0, the highest ... counting - 2 weeks.
--- 5. MUSIC ... /> multicolor, 3color or anything else). Works ...KEEP THE SPECCY ALIVE ;)I just would like to remind You, that there is virtual competition for zx-music and zx-graphic. Don't be lazy, don't wait anymore, but send Your wo…
... /> _________________________________________
--- 1. ORGANIZERS ----------------------------------------------
--- 3. SEND YOUR WORKS ... work is 0, the highest ... - 2 weeks.
--- 5. MUSIC ... multicolor, 3color or anything else). ...Machine Code Sprites Example Code Using Char Based SystemBelow is my WIP code to do smooth screen wrapping sprites using char positions and offsets, as opposed to writing direct to a line (0-191) and shifti…
... 3rd column if moving left or right
LD A ... 0, 1, 2, 5, 6, 5, 10, 13
DEFB 10, 13, 6, 5, 6, 3, 1, 0
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] ; ***********…
... 0)
; 4 = X Direction = 0, SPRLEFT or SPRRIGHT
; 5 = Y Direction = 0, SPRUP or ... 0, 1, 2, 5, 6, 5, 10, 13
DEFB 10, 13, 6, 5, 6, 3, 1, 0
what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…
... likely crash.
2. Bit 5 is used for 48K ... +2A/+3). There are situations where a game (or a Speedlock ... mode", that uses bits 1, 2 and 3 / port DFFD for ... I am using bis 3-5 and not 0-2, because from a ... combining bits 0-2 from port 7FFD with bits 3-5 from ...Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …
... ,(HL)
; AND %01111000
; OR (3)
; LD A,C
1, 18
DEFB 1, 2
DEFB 1, 2
DEFB 1, 2
DEFB 3 ... /> DEFB 255, 0
DEFB 255, 0
DEFB 255, 0
ORG ...TZX and the ZX81Evenin All. EightyOne is now is a state where I can support a more descriptive tape format. I know how some people have been calling for tzx suppor…
... I've got this right or not...
Virtually All ... 20 (Silence) xxx ms
5. ID 10 (Standard Speed Data ... :
0 1k
1 2k
2 4k
3 8k
4 16k
5 32k ...Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... 0,0,0,0,0,0,0,0,0,0,0,0,0,128,112,15
DEFB 0,0,0,0,0,0,0,0,0,0,0,0,
dmsmith
September 2004
Development
virtual compo Antique Toy 3 (2005) virtual ZX Spectrum music and graphics contest --- 1. ORGANIZERS ------------------------------------------------------------…
...
--- 3. ADRESSED FOR PROJECTS RECEIVING ----------------------------------------
estimation - 0, maximal - 9.
< ... is 1-2 weeks.
--- 5. MUSICAL ... /> Pure conversion (or with minimal modifications) ...Need help with denied Prince ClumsyI'm trying to create a TZX from my original Prince Clumsy tape. (I'm using an old walkman (only tape player in the house!), goldwave and maketzx). T…
... if anyone has the TZX (or TAP - it loads using the ... 00 08 1
2 239 F2E3969B FF 2D 0
3 19 86AFE29B ... 00 CD 1
4 33 5EF8F193 FF 93 0
5 6914 ... BF04DF8B FF 00 1
6 ...Turrican 1&2 mapsHere I will inform you about process of creation maps for the worlds of Turrican 1&2: [B]Turrican 1 [COMPLETED][/B] The World 1, Level 1 [100% done…
... The World 1, Level 2 [100% done]
The World 1, Level 3 [100 ... , Level 3 [100% done]
The World 5, Level 1 [100 ... % done]
The World 5, Level 2 [100 ... The World 5, Level 1 [100% done]
The World 5, Level 2 [100 ...Opus Discovery 3.5 inch disk driveWould one of these work on a +3 or +2a? So could you save games onto normal disks using a multiface 3 or another mulitiface (1 or 2?) for the +2a? W…
... of these work on a +3 or +2a? So could you save ... disks using a multiface 3 or another mulitiface (1 or 2?) for the +2a?
3 and stick with tapes.GP2Xpectrum 1.2Hi all! Even though I still haven't been contacted by Hermes, I decided to make this one the final 1.2 release. Next version will be 1.3b1 . Anyway…
... this one the final 1.2 release. Next version will ... you can switch between Frameskip 1 (25Hz @ 133Mhz) and ... complete changelog from version 1.1 to 1.2 is in the ... ://www.speccy.org/metalbrain/GP2Xpectrum1.2.zip[/url]
0,0,0,0,5,1786[/url]Add the numbers?Yesterday morning (about 1am) I was flicking through cable to see what was on, and I turned to ITV and that boring space filler "The Mint" was on. An…
... 3, 2, 6 and 5, but don't include the nineteen or the ... classed as one number or two?), and then what ... (they were either guessing or applying Stephen Hawking style ... was right. 44, 43, 1, 0, and just about any other ... meaning of the question, or (and I think this ...Free for collection from West London: +3, Software, variousHi, Just discovered both a stack of old Spectrum stuff, and this site. I have a box containing the following which is free to a good home. You'll …
... 3 (no PSU or leads); Wafadrive; Multiface 3; Music Machine
[U]+3 ... Chartbusters; Robocop; Leaderboard Par 3 (2 disks); Amstrad Games Compilation; ... to the Universe, Part 1; Spellbound; Combat School; ... Hijack; Kat Trap; Psi-5 Trading Company; Run the ...Wanted: z80 asm routines...for the Sam. This call goes out to Colin and others who know how it should be done. If you look on the Sam C disk you can see the implementation…
... />
Remembering that streams 0-3 are reserved.
1
#define device_d3 2
....
#define file_read 0
#define file_write 1 ... BASIC
streams -5 to 16 (see Technical ... filename" by fscanf(4,...) or fprintf(4,...).
[/ ...
