| 15,6 → 15,14 |
|---|
| CPU 8086 |
| org 0x100 |
| |
| ; print whatever drive/filename is set at 0x5C (1st unopened FCB in the PSP) |
| mov dx, PARAM |
| mov ah, 0x09 |
| int 0x21 |
| |
| mov bx, 0x5C |
| call PRINTDTA |
| |
| ; FindFirst_FCB applied to PSP:5C (1st unopened FCB) |
| mov dx, 0x5C |
| mov ah, 0x11 |
| 26,6 → 34,7 |
|---|
| NEXT: |
| |
| ; print filename in DTA |
| mov bx, 0x80 |
| call PRINTDTA |
| |
| ; FindNext_FCB on PSP until nothing left |
| 39,22 → 48,25 |
|---|
| |
| int 0x20 |
| |
| PARAM: |
| db "PARAMETER = $"; |
| |
| |
| ; ****** print the filename present in the DTA (DTA is assumed at 0x80) ****** |
| ; ****** print the filename present in the DTA (DTA is at [BX]) ****** |
| PRINTDTA: |
| ; print drive in the DTA |
| mov ah, 0x02 |
| mov dl, [0x80] |
| add dl, 'A' |
| mov dl, [bx] |
| add dl, '@' |
| int 0x21 |
| mov dl, ':' |
| int 0x21 |
| ; print filename/extension (in FCB format) |
| mov ah, 0x40 ; write to file |
| mov cx, 11 ; 11 bytes (8+3) |
| mov dx, bx ; filename field at the default DTA location |
| inc dx |
| mov bx, 1 ; output to stdout |
| mov cx, 11 ; 11 bytes (8+3) |
| mov dx, 0x81 ; filename field at the default DTA location |
| int 0x21 |
| ; print a trailing CR/LF |
| mov ah, 0x02 ; display character in DL |