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added down patch from Guillaume Serre

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1010
This commit is contained in:
Peter Veenstra 2003-05-15 10:14:27 +00:00
parent 2824c18908
commit d1444fe09a
1 changed files with 25 additions and 3 deletions
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28
src/shell/shell_misc.cpp
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@ -90,7 +90,31 @@ void DOS_Shell::InputCommand(char * line) {
break;
case 0x48: /* UP */
if (it_history == l_history.end()) break;
if (l_history.empty() || it_history == l_history.end()) break;
for (;str_index>0; str_index--) {
// removes all characters
outc(8); outc(' '); outc(8);
}
strcpy(line, it_history->c_str());
len = it_history->length();
str_len = str_index = len;
size = CMD_MAXLINE - str_index - 1;
DOS_WriteFile(STDOUT, (Bit8u *)line, &len);
it_history ++;
break;
case 0x50: /* DOWN */
if (l_history.empty() || it_history == l_history.begin()) break;
// not very nice but works ..
it_history --;
if (it_history == l_history.begin()) {
// no previous commands in history
it_history ++;
break;
} else it_history --;
for (;str_index>0; str_index--) {
// removes all characters
@ -101,9 +125,7 @@ void DOS_Shell::InputCommand(char * line) {
str_len = str_index = len;
size = CMD_MAXLINE - str_index - 1;
DOS_WriteFile(STDOUT, (Bit8u *)line, &len);
it_history ++;
if (it_history == l_history.end()) it_history = l_history.begin();
break;