| 360,3 → 360,42 |
|---|
| } |
| return(len); |
| } |
| |
| |
| /* get current path drive d (A=1, B=2, etc - 0 is "current drive") |
| * returns 0 on success, doserr otherwise */ |
| unsigned short curpathfordrv(char *buff, unsigned char d) { |
| unsigned short r = 0; |
| |
| _asm { |
| /* is d == 0? then I need to resolve current drive */ |
| cmp byte ptr [d], 0 |
| jne GETCWD |
| /* resolve cur drive */ |
| mov ah, 0x19 /* get current default drive */ |
| int 0x21 /* al = drive (00h = A:, 01h = B:, etc) */ |
| inc al /* convert to 1=A, 2=B, etc */ |
| mov [d], al |
| |
| GETCWD: |
| /* prepend buff with drive:\ */ |
| mov si, buff |
| mov dl, [d] |
| mov [si], dl |
| add byte ptr [si], 'A' - 1 |
| inc si |
| mov [si], ':' |
| inc si |
| mov [si], '\\' |
| inc si |
| |
| mov ah, 0x47 /* get current directory of drv DL into DS:SI */ |
| int 0x21 |
| jnc DONE |
| mov [r], ax /* copy result from ax */ |
| |
| DONE: |
| } |
| |
| return(r); |
| } |