31,7 → 31,8 |
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static enum cmd_result cmd_ver(struct cmd_funcparam *p) { |
char *buff = p->BUFFER; |
unsigned char rc = 0, maj = 0, min = 0, truemaj = 0, truemin = 0, rev = 0, verflags = 0; |
unsigned char maj = 0, min = 0, truemaj = 0, truemin = 0, rev = 0, verflags = 0; |
unsigned short doserr = 0; |
|
/* help screen */ |
if (cmd_ishlp(p)) { |
116,7 → 117,9 |
/* get the "true" DOS version, along with a couple of extra data */ |
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 */ |
jnc GOOD /* DL=revision DH=kernel_memory_area */ |
mov doserr, ax /* DR-DOS sets CF on this call (according to RBIL) */ |
GOOD: |
mov [truemaj], bl |
mov [truemin], bh |
mov [rev], dl |
130,7 → 133,7 |
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sprintf(buff, svarlang_str(20,1), maj, min); /* "DOS kernel version %u.%u" */ |
output(buff); |
if ((maj != truemaj) || (min != truemin)) { |
if ((doserr == 0) && ((maj != truemaj) || (min != truemin))) { |
output(" ("); |
sprintf(buff, svarlang_str(20,10), truemaj, truemin); /* "true ver xx.xx" */ |
output(")"); |
140,7 → 143,7 |
sprintf(buff, svarlang_str(20,5), 'A' + rev); /* "Revision %c" */ |
outputnl(buff); |
|
{ |
if (doserr == 0) { |
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" */ |