-
Hooky - hook ZX ROM and rewire RST and NMI to RAM - rantThis is a rather long rant. Not for short tempered. :) The objective is to hook into RST "vectors" and NMI on a Spectrum without affecting the normal…
... RST 0x0010 jumps to 0x10. Besides existing RST 0x00, RST 0x08, RST 0x10, RST 0x18, RST ... 0x20, RST 0x28, RST 0x30, and RST 0x38 ... 0x0028 (=target of RST 0x28 call)
or RST 10 instruction you will ... -
SPIN AssemblerAnybody got any idea why RST 10 doesn't work in SPIN's assembler?? Perhaps I'm putting the command in the wrong format. Cheers
Anybody got any idea why RST 10 doesn't work in SPIN's assembler??
Perhaps I'm putting the command in the wrong format.
Cheers -
Monitor/debugger that doesn't use the Speccy ROM?Was there ever a Spectrum monitor/debugger released that didn't use the ROM, for key input and character output routines? The reason I ask is that i…
... appear to use the standard RST 10 for character output, but maybe ... -
Disassemblers and RSTsI think this is a longshot, but... is anybody aware of a disassembler that handles the Interface One RSTs? e.g. RST $10 DEFW $0020. Cheers
I think this is a longshot, but... is anybody aware of a disassembler that handles the Interface One RSTs? e.g. RST $10 DEFW $0020.
Cheers -
Probing the variables in 128K modeHello again! Briefly, I'm writing an m/c routine to read some BASIC variables. So, before I start, I try to get an idea for the structure of how var…
... A,13
RST $10
LD A,32
RST $10
LD ... /> BRACKETS
RST $10
LD A,40
RST $10
LD A ... ARRAY
SUB 64
RST $10
NEXTCHAR
INC ... br /> JR NZ,LASTCHAR
RST $10
JR NEXTCHAR
... -
IN 255 behaviour not emulated in Spectaculator and ZXSpinI'm not speaking about "normal" IN 255 behaviour. All of you know what I'm taking about: IN 255 can be used to "read" screen data as it's retrieved f…
... a,' '
rst #10
ld a,' '
rst #10
... a,7
PrintLN rst #10
ret
... -
Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…
... (hd_11),hl ; execute main2
rst $08 ; by using the if1 ...
out ($fe),a
rst $10
defw $0d6b
;
Building a menu in ASMWEll as probably some figured, i am learning asm at least to make the basic menu i did in basic. It is a menu where we can select games to be loaded.…
... $16,02,4," ",$10,7,$11,1,"01",$10,0,$11,7 ... $16,03,4," ",$10,7,$11,1,"02",$10,0,$11,7 ... $16,19,4," ",$10,7,$11,1,"18",$10,0,$11,7 ... print because i used the RST $10 instead because the GDUs that ...Printer Printing Problem (assembler)I've a program that outputs to the lower screen at various places, using a combination of calls to RST $10 plus OUT-NUM-1 and PR-STRING. It also call…
... a combination of calls to RST $10 plus OUT-NUM-1 and ...Procrustean PrintingHere's a short routine to manage printing of text with command tokens, to avoid messing up the screen when they are expanded. It just prints as many …
... print controls
PRCHAR: rst $10 ;print a character
... ;reset bit 7
rst $10 ;print a character
pop ... print a trailing space
rst $10
dec b
...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 …
... end of control codes
rst $10 ; print it
inc hl ...
.msgecc ld b,$10 ; messages are always 16 characters ... ; load character into A
rst $10 ; print it
inc hl ... it loading characters, and calling RST 10, but nothing appears on the ...Works in Fuse & SpecEmu, not ZXSpinI decided that I wanted to change the scroll routine which I was using for compiling the Trailblazer maps, as I'd just copied it out of Andrew Hewson…
... DF_CC) for line 1,column 10
call PATTERN
rst $10
xor a
rst $10
xor a
rst $10< ... br /> ld bc,10
Venturespeak Helplooking at the code from ZX Computing, October, November & December 1986. How do I make the code do more then 3 letters say 5. and could it be made …
... PUSH BC
60142 D7 RST #10
60143 C1 POP BC ... XOR A
60202 D7 RST #10
60203 AF XOR A ...
60204 D7 RST #10
60205 C9 RET
Creating your own BASIC-commands on IF1bisThe old Sinclair IF1 has offered an easy possibility to create your own new BASIC-command: The use of the shadow variable VECTOR. This is described i…
... be found on RST #10 ? it is now on RST #18. So be ...understanding machine codeHi Quick question. Am not really sure if it fits development forum as its not really development per se its more a learners question about developm…
... /> C8 RET Z
D7 RST 10
18F7 JR S_PRINT
the line RST 10 seems to jump to another ... correct?
at address 10 (makes sense) which runs :
SPIN AssemberHi, I'm in the early stages of learning assembler, and am now looking at some tutorials from Toni Baker in ZX Computing: [url]http://wos.meulie.net…
... /> LOOP:
ld A,"*"
rst 10
jr LOOP
An invalid RST, and invalid combination of operands ...A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... a,22 ;AT code
rst $10
ld a,(ix+1 ... ) ;? down (vertical coordinate)
rst $10
ld a,22 ;22 ... across
rst $10
ld hl, ... /> jp 8252
as_is_key rst $10 ;print the key as is ...Currah uSpeech ROM Paging and BootyHi, When I emulated the Currah uSpeech for [url="http://www.inkland.org.uk/inkspector"]InkSpector2[/url], I made it page in its own ROM on memory …
... />
ld a,$11
rst $10
And this is ... is for the RST instruction to call address $10 in the ZX ...Machine Code ChallengeHere's a challenge for all you Z80 programmers. Points to be awarded for elegance and brevity. (I haven't got the solution either) HL addresses the …
...
LD A,(HL)
RST #10
LD A,(HL)
LD A,(HL)
RST #10
INC B
DJNZ ...Machine Code ChallengeHere's a challenge for all you Z80 programmers. Points to be awarded for elegance and brevity. (I haven't got the solution either) HL addresses the …
... LLIST will redirect
the RST #10 to the printer.
Unfortunately ...
........LD A,(HL)
........RST #10
........LD A,(HL) ; LPRINT ...
........LD A,(HL)
........RST #10 ; LPRINT 8 bits
........INC ...New SPIN 0.3a releaseHi all, here's the next version - mainly a maintenance release, with new bugs :) Here's what's new: V0.3a - Bugs and more tapes -------------------…
... />
original
--------
EF RST #28
EF15 DEFW #15EF ... LD A,#20
D7 RST #10
patched
-------
Merry ChrysanthenumTHE COMPUTERS FIRST CHRISTMAS CARD jollymerry hollyberry jollyberry merryholly happyholly jollyjelly jellybelly bellymerry hollyheppy jol…
... #FF
RET Z
RST #10
INC HL
JR ... ,#21,#FF
[/code]
10 CLS: RANDOMIZE USR 32768
RST 16 with TASMCan any body tell me what is wong when I assemble this test code with TASM : ;print a long string "help me" start .org 32000 ld a,2 call 5633…
I think you probably want RST 10 - 10 being the hex for 16.RST 16 with TASMCan any body tell me what is wong when I assemble this test code with TASM : ;print a long string "help me" start .org 32000 ld a,2 call 5633…
... syntax is either
'RST 10' or 'RST 10H'
If you wanted ...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 #10
ld a,255< ... nbyte ld a,(hl)
rst #10
ld a,255< ... nbyte ld a,(hl)
rst #10
ld a,255< ...
org #nnFE-#10
dump #nnFE-#10
... nbyte ld a,(hl)
rst #10
ld a,255< ...About z88dk and autoexecsThis weekend I was playing a little with z88dk C cross Compiler. Amazing tool! I have three questions: 1- Does anybody know how to change the initia…
... that it is not using RST#10 as I claimed earlier... so ...
