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High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …
... at by HL
RST 16 ; print the character ...
PUSH AF
RST 16 ; show character
... if so, return
RST 16 ; print the character
08,7,"BRIAN ",22,08,20,255
... -
Machine CodeOk i had a spectrum when i was younger and only used it for playin games and typing simple BASIC programs - i mean really simple! Things like 10 Pri…
...
JR C,NOPR
RST 16
NOPR INC BC ...
LD A,13
RST 16
JR LOOP
08:04 ] -
Spectrum ROMI downloaded some text files (they are actually the spectrum ROM files but in text) which can be compiled using TASM (or soemthing). I read on WOS th…
... /> LOOP LD A,(HL)
RST 16
INC HL
08-07 07:59 ] -
Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…
... ]
On 2003-03-05 08:01, Dr BEEP wrote:
JR Z,PRINTREADY
RST 16
INC HL
Run BASIC program by R. USR xxxxxGuys, please help. Suppose I have BASIC program in my Spectrum 48K starting with line 10. I'd like to start it by RANDOMIZE USR xxxxx. Which paramete…
... ]
On 2003-03-05 08:01, Dr BEEP wrote:
JR Z,PRINTREADY
RST 16
INC HL
AssemblersOk, two quick questions for you guys: 1) Can anyone give me a link to the Prometheus Assembler ? 2) Does anyone know of an assembler that satisfies …
[quote]
On 2003-08-11 16:11, GOC wrote:< ... zero
inc hl
rst 16
jr loop
Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
[quote]
On 2003-09-08 10:32, b00mzi11a wrote:
... this is a single-byte RST instruction that performs a subroutine ... the Z80 will execute a 'RST 0x38' which is a subroutine ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... /> On 2004-07-28 13:08, Fraser wrote:
[quote]
RST n on the data bus ... so it 7 for an RST instruction and the total is ...is it easy to learn z80 machine codewell is it?
... /> On 2004-10-27 14:08, AndyC wrote:
Hmm, my ... stream select before doing any RST 16s?
[ This Message ...Programming MC challengeIn the 80-ies I got the following assignment for a programming course. 2 16-bit values stored in #8000 and #8002 must be added together and stored i…
[quote]
On 2005-08-23 02:59, AndyC wrote:< ... />
org #7fff
rst 0 1
org ...The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…
... nbyte ld a,(hl)
rst 16
inc d< ... br /> dec hl
rst 16
ld a, ... nbyte ld a,(hl)
rst 16
ld a, ... ld a,(hl)
rst 16
ld a, ... dr beep on 2005-08-26 07:28 ]Which assembler to useHello again, another question. As I just started fiddling with assembler I used whatever tools were in front of me. In this case, the built-in assem…
... ]
On 2005-09-22 08:39, Arjun wrote:
Anyone ... a,"A" ; value = 65
rst 16 ; print capital A
question about RST 10hhow do you set the position of the text when using 'RST 10h' to print to screen?
08 - cursor left (move cursor left ... INK or PAPER CONTROL
RST $10
LD A, INK ... or PAPER COLOUR
RST $10
To ... />
LD A, CONTROL
RST $10
LD A,n ... 1 = ON 0 = OFF
RST $10
Easy ...Zombie Zombie Loading SchemeA quick check of the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0005866"]Zombie Zombie[/URL] loader identifies it's the RAPID LOADING SYS…
... ; 5d9d c5 $0bts
l_5d9e: rst $10 ; 5d9e d7 $0bts
djnz l_5dac ; 5db3 10 f7 $08/$0dts
l_5db5: jr l_5db5 ... /> djnz l_5dc3 ; 5dca 10 f7 $08/$0dts
l_5dcc: jr l_5dcc ... /> djnz l_5e05 ; 5e13 10 f0 $08/$0dts
jr l_5db7 ; 5e15 ...SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... ld (atflg),a
rst 08h
defb $0a
pos_0:
ld c,$08
pos_0a:
... /> inc de
ld c,$08
pos_3a:
inc de
ld c,$08
pos_5a:
ld c,$08
pos_6a:
Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... (hl), a
rst 8
defb 4< ... $40, $00, $00, $03, $08, $08, $10, $10, $20, $20, ... 00, $F8, $80, $F0, $08, $08, $88, $70
defb $00 ... 00, $03, $00
defb $08, $08, $08, $08, $88, $88, $70, $00, ... $20, $20, $10, $10, $08, $08, $00, $00, $0F
...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…
... /> L0EA6: AND $18 ; now $00, $08 or $10.
L0EA8: OR ... (hl), b ; reset AT_FLAG
rst 8 ; error "B Integer out ...Arkanoid - Hit Squad ReleaseInfoseek (and the [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/games/a/Arkanoid(TheHitSquad).tzx.zip"]TZX[/URL] itself) identifies the Hit Squad …
... , l_e54f ; e54c 28 01
rst $00 ; e54e c7
l_e54f ... ), a ; e562 d3 7f
rst $00 ; e564 c7
l_e565 ... , $08 ; e95f 06 08
ld b, $08 ; e961 06 08
ld b, $08 ...Internal ROM expansionHas anybody designed a multiple-ROM interface that plugs into the internal ROM socket instead of plugging onto the edge connector? It would be useful…
... cd 00 07 $11ts
rst $00 ; 82e3 c7 $0bts
djnz l_82ea ; 82eb 10 fd $08/$0dts
ld de, $9c22 ...Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
... means I can eliminate all RST 16 nonsense from my game ... something !
19 sub $08
20 ld h,a ... ,h
27 add a,$08
28 ld h,a ...Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
...
[QUOTE=Battle Bunny;665943]RST $10 uses EXX to reference ... end of control codes
rst $10 ; otherwise print control ... ; load character into A
rst $10 ; print it
... /> .msgctl defb $16,$13,$08,$11,$08,$10,$08,$FF
; ...
