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A BASIC compiler projectHi, I started my own BASIC compiler for the ZX Spectrum (and Z80 machines) 3 months ago. It's still in ALPHA stage (when it is mature, I will write …
... the parameter value in HL, return values are ... For 16 bits operands : HL as parameter; HL , DE for two parameters ... the function, the old SP is restored directly from ... the number of bytes SP must be increased, and ... the function registers A, HL, HLDE, C EDLH ... -
IF2 Rom snapshot creationHi, is it possible convert a Speccy 16k snapshot to a Interface 2 Rom file? I've the original Ultimate Pssst, Cookie, Trans-am and Jetpac tapes and …
... br />
[CODE]B200 LD SP,$5FFF ;set stack pointer to ... Sinclair Rom
B207 LD HL,$1000
B20A LD ... Jetpac code
B212 LD HL,$3000
B215 LD ... of code
B223 LD HL,($3011)
B226 LD ($ ... of code
B229 LD HL,$3C00
B22C LD ($ ... -
Which OS?I have an IBM thinkpad 380 with the docking port and two cards (ethernet & USB) with 80MB Ram Currently running with Windows 98 SE, Is there a bette…
... did try to install Umbutu (sp?) on it, but that requires ... then girlfriend a couple of ex company laptops. They were both ... -
Breakpoints and other questionsSome games have LDIRs, LDDRs, ANDs and XORs before they jump to the real start address (and some other stuff that I don't understand yet). If I want …
... set af, bc, de and hl to what af', bc' etc ... be and then use [b]ex af,af'[/b] to swap ... bc, de and hl with bc', de' and hl'.
Also ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... />
Mr. Kendall - perhaps your ex-Acorn engineers could help?
HL),$00 in Z80. -
VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... /Z flags meant an extra EX AF,AF' or two to ... it's a choice. Also HL' is set to main-1 ... /> jr nz,true
jp (hl)
[/code]
[quote ... -
CSSCGC 2008 has now officially begunFor coming last in the 2007 crap game compo, I have the honour and privilege of hosting CSSCGC 2008! I have now put up the CSSCGC 2008 website at …
I've tried to beat 12 bytes and the best I can do is 13. My 11 byte attempt doesn't fulfill all the criteria (doesn't clear the last -
Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
... use:
LD HL, VRAM
AND A< ... br /> RR (HL)
INC L
... LD SP, VRAM
LD HL,gfx1
PUSH HL
LD HL, gfx2 ...
PUSH HL
LD HL, GFX
PUSH HL
... -
Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
... ]:) Also we can just make SP=lines and all the scroll ... look like POP HL: POP DE: LDIx32: POP HL: POP DE and ... in the registers, like LD HL, 16384: LD DE, 16640 and ... -
Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
... :
[code]
ld hl, (table)
ld de, #4000 ... ldi x 32
ld hl, (table+2)
ld de ... [code]
ld sp, table
pop hl
ld de, #4000 ... ldi x 32
pop hl
ld de, #4100
