| 0,0 → 1,40 |
|---|
| /* |
| * ver |
| */ |
| |
| #define PVER "20211027" |
| |
| static int cmd_ver(struct cmd_funcparam *p) { |
| char *buff = p->BUFFER; |
| unsigned char maj = 0, min = 0; |
| |
| /* help screen */ |
| if (cmd_ishlp(p)) { |
| outputnl("Displays the DOS version."); |
| return(-1); |
| } |
| |
| if (p->argc != 0) { |
| outputnl("Invalid parameter"); |
| return(-1); |
| } |
| |
| _asm { |
| push ax |
| push bx |
| push cx |
| mov ah, 0x30 /* Get DOS version number */ |
| int 0x21 /* AL=maj_ver_num AH=min_ver_num BX,CX=OEM */ |
| mov [maj], al |
| mov [min], ah |
| pop cx |
| pop bx |
| pop ax |
| } |
| |
| sprintf(buff, "DOS kernel version %u.%u", maj, min); |
| |
| outputnl(buff); |
| outputnl("SvarCOM shell ver " PVER); |
| return(-1); |
| } |