diff options
Diffstat (limited to 'v4.0/src/MAPPER/SVERIFY.ASM')
| -rw-r--r-- | v4.0/src/MAPPER/SVERIFY.ASM | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/v4.0/src/MAPPER/SVERIFY.ASM b/v4.0/src/MAPPER/SVERIFY.ASM new file mode 100644 index 0000000..97495ed --- /dev/null +++ b/v4.0/src/MAPPER/SVERIFY.ASM | |||
| @@ -0,0 +1,59 @@ | |||
| 1 | page 80,132 | ||
| 2 | |||
| 3 | title CP/DOS DosSetVerify mapper | ||
| 4 | |||
| 5 | dosxxx segment byte public 'dos' | ||
| 6 | assume cs:dosxxx,ds:nothing,es:nothing,ss:nothing | ||
| 7 | |||
| 8 | ;********************************************************************** | ||
| 9 | ;* | ||
| 10 | ;* MODULE: dossetverify Set new verify switch value | ||
| 11 | ;* | ||
| 12 | ;* FILE NAME: dos054.asm | ||
| 13 | ;* | ||
| 14 | ;* CALLING SEQUENCE: | ||
| 15 | ;* | ||
| 16 | ;* push word verify setting | ||
| 17 | ;* call dossetverify | ||
| 18 | ;* | ||
| 19 | ;* MODULES CALLED: PC-DOS Int 21h, ah=2eh, get verify setting | ||
| 20 | ;* | ||
| 21 | ;********************************************************************* | ||
| 22 | |||
| 23 | public dossetverify | ||
| 24 | .sall | ||
| 25 | .xlist | ||
| 26 | include macros.inc | ||
| 27 | .list | ||
| 28 | |||
| 29 | error_code equ 0002h | ||
| 30 | |||
| 31 | str struc | ||
| 32 | old_bp dw ? | ||
| 33 | return dd ? | ||
| 34 | verify dw ? ; new verify settings value | ||
| 35 | str ends | ||
| 36 | |||
| 37 | dossetverify proc far | ||
| 38 | Enter dossetverify ; push registers | ||
| 39 | |||
| 40 | mov ax,[bp].verify ; check request | ||
| 41 | cmp al,1 ; for validity | ||
| 42 | jg error | ||
| 43 | |||
| 44 | mov ah,2eh ; setup new verify value | ||
| 45 | int 21h | ||
| 46 | |||
| 47 | sub ax,ax ; set good return code | ||
| 48 | jmp short exit ; return | ||
| 49 | |||
| 50 | error: mov ax,error_code ; set error return code | ||
| 51 | |||
| 52 | exit: Mexit ; pop registers | ||
| 53 | ret size str - 6 ; return | ||
| 54 | |||
| 55 | dossetverify endp | ||
| 56 | |||
| 57 | dosxxx ends | ||
| 58 | |||
| 59 | end | ||