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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…
... /> ret
;*********************************************************************************
; the RST $10 replacement routine
; accepts: CHR ... /> rst16replacement ; the printroutine to replace RST 10/be used in basic
PRINT a numerical value i.e. the scoreHow do you fo about printing a numerical value using the print routine in the ROM? For instance I have a value 0-255 and want to PRINT the result at…
[QUOTE=mcleod_ideafix;647358][code]
ld a,'0'
rst 10h
rst 10h
[/code][/QUOTE]
RST 10 doesn't preserve register A, so you will need "LD A,'0'" twice.smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
... indeed be quicker than calling RST $10 four times to do PRINT ...smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
... ;A =bx
rst $10
ld a," "
rst $10
pop de ... : ld a,$10 ;INK
rst $10
xor a ;0
rst $10
smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
... indeed be quicker than calling RST $10 four times to do PRINT ...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 …
... it loading characters, and calling RST 10, but nothing appears on the ... set the channel? Before using RST 0x10 - if you want to ...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 …
... of control codes
rst $10 ; otherwise print control character
.msgecc ld b,$10 ; messages are always 16 ... load character into A
rst $10 ; print it
inc hl ... business down immediately before the rst $10, with surrounding "push af/ ...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 the ... of control codes
rst $10 ; otherwise print control character
.msgecc ld b,$10 ; messages are always 16 ... load character into A
rst $10 ; print it
inc hl ...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 …
... in post #6 or the RST $10 routine. I ran this loop ...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 …
... channel information area and then RST $10 would stop working ... which might ...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 …
... channel information area and then RST $10 would stop working ... which might ...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 …
...
JR NZ,PRSTREXIT
RST $10
INC HL
JR ... ; %01111111 Clear Bit 7
RST $10
RET[/CODE]
10,6
defm " PLEASE WAIT ... $16,19,8,$11,1,$10,7
defm " PRESS FIRE ...Memory diagnostic toolIs there any sort of memory diagnostic tool for examining .Z80 files so I can easily identify large areas of blank memory? Scrolling through ZX Spin…
...
ld a,$16
rst $10 ;PRINT AT 0,0;
xor a
rst $10
xor a
rst $10
ret
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
...
ld a, 'Z'
rst $10 ; print letter 'Z'[/CODE]
rst $10 ; print character
inc hl ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... z ; check string terminator
rst $10 ; print character
inc hl ...Colour whilst PLOTing in MCI am using the ROM PLOT routine at $22E5, how do I control the colour of the results, so I can preferably use INK 8, it seems to have a mind of its o…
... and PAPER controlcode with the RST #10 printroutine.
16 INK ... />
LD A,16
RST #10
LD A,6
RST 16
will set< ...Colour whilst PLOTing in MCI am using the ROM PLOT routine at $22E5, how do I control the colour of the results, so I can preferably use INK 8, it seems to have a mind of its o…
Spec dev in the eighties and ninetiesWhat different ways were there of making speccy games? There is the 'worst' way which is typing in hex commands in Basic unreadable, easy to make m…
... ... just using UDG's and RST #10 for printing them :D )Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... A,48 "H"
D7 ; RST 10
3E45 ; LD A,45 ... /> D7 ; RST 10
3E20 ; LD A,20 " "
D7 ; RST 10
3E57 ... /> D7 ; RST 10
3E21 ; LD A,21 "!"
D7 ; RST 10
C9 ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... A,48 "H"
D7 ; RST 10
3E45 ; LD A,45 ... /> D7 ; RST 10
3E20 ; LD A,20 " "
D7 ; RST 10
3E57 ... /> D7 ; RST 10
3E21 ; LD A,21 "!"
D7 ; RST 10
C9 ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... /> RST #10
LD A,#45
RST #10
LD A,#4C
RST #10 ...
LD A,#4C
RST #10 ...
LD A,#4F
RST #10 ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... 48 (H)
D7 ; RST 10
C306F0 ; JP 61446
RST 10
3E20 ; LD A,20 " "
D7 ; RST 10
... D7 ; RST 10
3E21 ; LD A,21 "!"
D7 ; RST 10
...Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... ;A=ENTER
;rst $10
pop bc ;length ... if needed
cp 10
push bc
Loop6: sub 10
inc b
cp 10
jr nc,Loop6< ...Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... the number in BC
rst $28 ;FP_CALC
defb $34 ...
add a,48
rst $10
inc bc
ret ...Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... +=$30 = range $30-$39
rst $10 ;A =????
inc bc ;count ...Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... DE,16384 : EXX then replace RST $10 with:
[code]
;print ...
