| 147,11 → 147,16 |
|---|
| pop ax |
| } |
| |
| /* mark the input buffer as empty */ |
| myptr = MK_FP(rmodseg, RMOD_OFFSET_INPUTBUF); |
| myptr[0] = 128; |
| myptr[1] = 0; |
| myptr[2] = '\r'; |
| |
| /* prepare result (rmod props) */ |
| res = MK_FP(rmodseg, 0x100 + rmodcore_len); |
| _fmemset(res, 0, sizeof(*res)); /* zero out */ |
| res->rmodseg = rmodseg; /* rmod segment */ |
| res->inputbuf[0] = 128; /* input buffer for INT 0x21, AH=0Ah*/ |
| res->origenvseg = origenvseg; /* original environment segment */ |
| |
| /* write env segment to rmod's PSP */ |
| 196,13 → 201,9 |
|---|
| |
| /* look up my parent: if it's rmod then return a ptr to its props struct, |
| * otherwise return NULL |
| * since RMOD sets itself as the CTRL+BREAK handler, I look at the int23 |
| * field of the PSP to locate it. Previously I was looking at PSP[Ch] (ie. |
| * "terminate address" but this was failing when using the LINK/LN TSR that |
| * intercepts DOS EXEC calls and sets itself as the parent of all launched |
| * applications */ |
| * I look at PSP[Ch] to locate RMOD (ie. the "terminate address") */ |
| struct rmod_props far *rmod_find(unsigned short rmodcore_len) { |
| unsigned short *parent = (void *)0x10; /* look in PSP[10h] ("prev. int23 handler") */ |
| unsigned short *parent = (void *)0x0C; |
| unsigned short far *ptr; |
| const unsigned short sig[] = {0x1983, 0x1985, 0x2017, 0x2019}; |
| unsigned char *cmdtail = (void *)0x80; |