| 104,17 → 104,17 |
|---|
| return(NULL); |
| } |
| |
| /* copy my own PSP where RMOD is about to land, so it has a proper PSP as well */ |
| /* take care to init the JFT (20 bytes starting at offset 0x18) to 0xff, which |
| * essentially means "empty JFT slot" */ |
| myptr = MK_FP(rmodseg, 0); |
| { |
| unsigned short i; |
| char *mypsp = (void *)0; |
| for (i = 0; i < 0x100; i++) myptr[i] = mypsp[i]; |
| /* for (i = 0x18; i < 0x18+20; i++) myptr[i] = 0xff; */ /* do NOT close file handlers, RMOD's children might need stdin/stdout/etc */ |
| /* generate a new PSP where RMOD is about to land */ |
| _asm { |
| push dx |
| mov ah, 0x26 /* CREATE NEW PROGRAM SEGMENT PREFIX (DOS 1+) */ |
| mov dx, rmodseg |
| int 0x21 |
| pop dx |
| } |
| |
| myptr = MK_FP(rmodseg, 0); |
| |
| /* patch up RMOD's PSP: Parent's PSP segment @ 0x16-0x17 */ |
| myptr[0x16] = rmodseg & 0xff; /* RMOD is his own parent */ |
| myptr[0x17] = rmodseg >> 8; |