31,7 → 31,7 |
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static enum cmd_result cmd_ver(struct cmd_funcparam *p) { |
char *buff = p->BUFFER; |
unsigned char maj = 0, min = 0, rev = 0, verflags = 0; |
unsigned char rc = 0, maj = 0, min = 0, rev = 0, verflags = 0; |
|
/* help screen */ |
if (cmd_ishlp(p)) { |
105,8 → 105,8 |
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 ah, 0x30 /* Get DOS version number (DOS 2+) */ |
int 0x21 /* AL=maj_ver_num AH=min_ver_num BX,CX=OEM */ |
mov [maj], al |
mov [min], ah |
pop cx |
117,35 → 117,37 |
sprintf(buff, svarlang_str(20,1), maj, min); /* "DOS kernel version %u.%u" */ |
outputnl(buff); |
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if (maj >= 5) { |
_asm { |
push ax |
push bx |
push dx |
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mov ax, 0x3306 /* Get true DOS version number */ |
int 0x21 /* BL=maj_ver_num BH=min_ver_num DL=revision DH=kernel_memory_area */ |
mov [maj], bl |
mov [min], bh |
mov [rev], dl |
mov [verflags], dh |
|
pop dx |
pop bx |
pop ax |
} |
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_asm { |
push ax |
push bx |
push dx |
|
mov ax, 0x3306 /* Get true DOS version number (DOS 5+) */ |
int 0x21 /* AL=return_code BL=maj_ver_num BH=min_ver_num */ |
mov [rc], al /* DL=revision DH=kernel_memory_area */ |
mov [maj], bl |
mov [min], bh |
mov [rev], dl |
mov [verflags], dh |
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pop dx |
pop bx |
pop ax |
} |
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/* MS-DOS 2-4 return 0xff, DR DOS 5&6 return 0x01 */ |
if ((rc != 255) && (rc != 1)) { |
sprintf(buff, svarlang_str(20,10), maj, min); /* "True version %u.%u" */ |
outputnl(buff); |
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sprintf(buff, svarlang_str(20,5), 'A' + rev); /* Revision %c */ |
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sprintf(buff, svarlang_str(20,5), 'A' + rev); /* "Revision %c" */ |
outputnl(buff); |
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{ |
const char *loc = svarlang_str(20,7); /* low memory */ |
if (verflags & 16) loc = svarlang_str(20,8); /* HMA */ |
if (verflags & 8) loc = svarlang_str(20,9); /* ROM */ |
sprintf(buff, svarlang_str(20,6), loc); /* DOS is in %s */ |
const char *loc = svarlang_str(20,7); /* "low memory" */ |
if (verflags & 16) loc = svarlang_str(20,8); /* "HMA" */ |
if (verflags & 8) loc = svarlang_str(20,9); /* "ROM" */ |
sprintf(buff, svarlang_str(20,6), loc); /* "DOS is in %s" */ |
outputnl(buff); |
} |
} |