Forums before death by AOL, social media and spammers... "We can't have nice things"
|    comp.sys.apple2    |    Discussion about Apple II micros    |    56,720 messages    |
[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]
|    Message 55,193 of 56,720    |
|    qkumba to All    |
|    Re: ProDOS boot block?    |
|    29 Dec 21 10:11:51    |
      From: peter.ferrie@gmail.com              > 0100- B8 01 02 MOV AX, 0201       > 0103- 41 INC CX       > 0104- 9C PUSHF       > 0105- 06 PUSH ES       > 0106- 53 PUSH BX       > 0107- EA 4C 00 00 00 JMP 0000:004C       >       > 12 bytes, eh? That's far more efficient than I'd come up with. xD              The instruction at 0107 should read              0107- 26 FF 26 4C 00 JMP FAR ES:[004C]              It has to be indirect to use the vector.       If you're willing to bet that DS is also zero, then you can drop the first 26.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]
(c) 1994, bbs@darkrealms.ca