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Short & Amusing (was: Soduko Solver)Looking for some ideas for simple but fun programs, I came across this brute force soduko solver which might amuse: [code] // zcc +zx -vn -startu…
... source, but its a bit too expensive to buy right ...
Yes it is a bit on the pricey side. The ... for final piece (3=N, 4=B, 5=R, 6=Q) |
n:(n+=2,6^y);Z ... ;c-Lz&
!r&&++C*--A));}}}Z ... M&&N>-K+1924|d?N:0;}main(){ ... -
40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... a ; reset carry
bit 2, c ; check the character ... 0xEE, 0xAA, 0xAA
; N
defb 0xCC, 0xAA, ... 0xAA, 0xAA, 0x66
; R
defb 0xCC, 0xAA, ... 0xAA, 0xAA, 0x66
; R
defb 0xCC, 0xAA, ... -
IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…
... system used an 8 bit address. So the Z80 ... ports using an 8 bit address. In practice though ... programmer can specify a 16 bit address :-). Sinclair Research ...
OUT (C),r - where r is register A, B, C ... br /> OUT (n),A - where n is a 8 bit address between 0 ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
... url]]
* [b]1-bit music site[/b]
[[url ... 49817"]thread[/url]]
by R-Tape
release date: ... stormfinch"]thread[/url]]
by R-Tape
release date: 12th ... /> [color="ForestGreen"]
[b]Hop'n'Frog[/b]
[i](Frogger ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
... />
* [b]1-bit music site[/b]
[[url ... "]thread[/url]]
by R-Tape
release date: ... />
[b]Hop'n'Frog[/b]
[i](Frogger ... org/forums/discussion/51131/hop-n-frog"]Link[/url]]
... />
[b]Cap'n Rescue 2: The Escape[/b ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
... />
* [b]1-bit music site[/b]
[[url ... "]thread[/url]]
by R-Tape
release date: ... />
[b]Hop'n'Frog[/b]
[i](Frogger ... org/forums/discussion/51131/hop-n-frog"]Link[/url]]
... />
[b]Cap'n Rescue 2: The Escape[/b ... -
New Game: AmnesiaHello! First of all, sorry for my English. I have developed my first game. It is called "Amnesia", and I have used the Freescape engine "3D Con…
... huge fan of the 8 bit 3D Construction Kit. I ... de la forma más rápida (unos 35-45 ... Entra.
Almacén
Detrás de ... (“a”) y se desactivarán las cerraduras electrónicas. Sal ... mortal y supondrá la finalización del juego.
... -
I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... try to limit myself a bit from now on I think ... made it to Goodneighbo(u)r though. Have mostly been using ... after taking care of Swan(n) with nothing but a handful ... develop in that direction a bit more from now on. -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
... certainly the most active 8-bit scene!
Thanks everyone ... stormfinch"]thread[/url]]
by R-Tape
release date: 12th ... url]]
[b]Hop'n'Frog[/b]
[i](Frogger ... .org/forums/discussion/51131/hop-n-frog"]Link[/url]]
< ... -
Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
... IX and IY is a bit more generic and easy but ... you load and store 8-bit values with IX/IY indexing ... pointers or as extra 16-bit / 8-bit registers.
[quote ... much faster and smaller 'ld r,(hl) ; inc hl' to grab ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... cycle through the pages. In N byte case, each byte would ... looking at the full 16 bit address, to match just one ... , since we need full 16 bit address decoding, and 8 bits ... software.
- If (I + R) refresh address, match our special ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... /> [code]ADDR, ADDR, ADDR, I/R, dataAddr[/code]
However ... eventually implement an AND-N or OR-N, using Diodes and a ... s] and ADDR instruction R increments
LD R,A ; Setup command ... ), based on some control bit(s) from I/R, and using code ... -
Help needed with MIA software with custom (?) loaderHi, I've got into my hands recently a bunch of Polish educational software which are unknown MIA on WOS. I believe they are protected with some…
... +14 ; (ROM)
STMT-R-1: 0x5B5F BIT 7,(IY+0A) ; IY ... ) ; Get NEWPPC (ROM)
0x5B68 BIT 7,H ; Jump forward unless ... br /> 0x5B87 RET Z ; Test bit 7 of FLAGS: syntax/run ... not exist.(ROM)
REPORT-N: 0x5BBD RST 8 ; ERROR-1 ... -
Proportional fontsI've been doing some proportional font drawing, purely on C level at the moment, but it's orders of magnitude slower than I'd want it to be. It's sti…
... if you roll the bit into the carry, check ... then set the relevant bit on screen according to the ... 7ch,20h,10h,fch;-1 ;N
db 38h,44h ... 3ch,20h,20h,9ch;-2 ;n
db 18h,24h ... db 3ch,10h,a0h;-1 ;r
db 14h,34h,2ch ... -
1987-2017Here we are, with our tradional thread about games released thirty years ago, where we can contemplate how bad they have aged, how bad they [i]alread…
... does take a little bit of getting used to ... chews on them a little bit before they burst.
... shook it about a bit while the mould was ... backwards for sh*t's n' giggles..
Overall ... pub/sinclair/screens/in-game/r/Ricochet.gif[/img]
... -
1987-2017Here we are, with our tradional thread about games released thirty years ago, where we can contemplate how bad they have aged, how bad they [i]alread…
... [/b]
[b]Fast 'n' Furious[/b] - Programmed by Ernieware ... about [i]Spy Hunte[/i]r with a motorbike instead of ... graphics - although with a fair bit of color clash here and ... -
z88dk terminalsto set up a terminal a bunch of numbers are needed: m4_zx_01_output_fzx(_window_1, 0x2330, 0, 0, 1, 14, 1, 19, 0, _ff_ao_Prefect, 14, 0, 14, 8, 1…
... the examples.
bit 4=1 if crlf conversion ... outputs /r/n sequences they get converted to /n.
bit 5=1 ... printing more output.
bit 7=1 to put the ... screen is filled.
bit 8=1 to enable ... of entered text).
bit 13 = 1 to cause ... -
z88dk terminalsto set up a terminal a bunch of numbers are needed: m4_zx_01_output_fzx(_window_1, 0x2330, 0, 0, 1, 14, 1, 19, 0, _ff_ao_Prefect, 14, 0, 14, 8, 1…
... the examples.
bit 4=1 if crlf conversion ... outputs /r/n sequences they get converted to /n.
bit 5=1 ... printing more output.
bit 7=1 to put the ... of entered text).
bit 13 = 1 to cause ... terminal that pauses, bit 6=1 and bit 7=0.
shadow regs musingIn the process of optimising some assembler, it occurred to me how great it would have been if the Z80's shadow reg opcodes had been a bit more fully…
... space available in an eight bit byte. So you would have ... op-code for LD r,n
(where r is the register and ... n is the immediate data byte ... this:
[code]
76543210 bit/digit
00rrr110 first byte ...im looking for a fill routine written in basici know this would be slow but i want to tinker with it to produce something else.
... : CLS
100 FOR n=0 TO 100
110 ... ,RND*175
120 NEXT n
200 LET cx ... cy=88
220 LET r=60
300 FOR ... y=r TO -r STEP -1
310 LET x=SQR ((r*r)-(y ... can move it along a bit faster, and increases as it ...Easiest way to figure instruction lengthGiven a start address, what is the easiest way to find out instruction length at that address in Z80? I found [url="http://www.z80.info/decoding.htm"…
... ; Shift A right; bit 0 sets carry bit
JR NC,Read_Keyboard_2 ... &FB,"Q","W","E","R","T"
DB & ... br /> DB &7F," ","#","M","N","B"[/code]
Our ... ; Shift A right; bit 0 sets carry bit
JR NC,Read_Keyboard_2 ...
