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Additional fix for Backspace key in shell

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maron2000 2025-03-29 23:56:41 +09:00
parent 49f77509a2
commit af39264c77
1 changed files with 13 additions and 15 deletions
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28
src/shell/shell_misc.cpp
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@ -1003,30 +1003,28 @@ void DOS_Shell::InputCommand(char * line) {
backone(); backone();
if(bytes == 2 && str_len >= 2) backone(); if(bytes == 2 && str_len >= 2) backone();
if(str_index < str_len) { if(str_index < str_len)
for(uint16_t i = str_index - bytes; i < str_len - bytes; i++) { memmove(&line[str_index - bytes], &line[str_index], str_len - str_index); // Shift buffer to left
line[i] = line[i + bytes]; // Shift buffer to left
}
}
line[str_len - 1] = '\0'; line[str_len - 1] = '\0';
if(bytes == 2)line[str_len - 2] = '\0'; if(bytes == 2)line[str_len - 2] = '\0';
str_len -= bytes; str_len -= bytes;
str_index -= bytes; str_index -= bytes;
size -= bytes; size -= bytes;
if(str_index < str_len) {
for(int i = str_len; i > 0; i--) backone();
for(int i = str_len; i > 0; i--) backone();
col = CURSOR_POS_COL(page);
while(col > prompt_col) {
backone();
col = CURSOR_POS_COL(page); col = CURSOR_POS_COL(page);
while(col > prompt_col) { }
backone();
col = CURSOR_POS_COL(page);
}
uint16_t a = str_len; uint16_t a = str_len;
uint8_t* text = reinterpret_cast<uint8_t*>(&line[0]); uint8_t* text = reinterpret_cast<uint8_t*>(&line[0]);
DOS_WriteFile(STDOUT, text, &a); // Rewrite the command history DOS_WriteFile(STDOUT, text, &a); // Rewrite the command history
outc(' '); outc(' '); backone(); backone(); outc(' '); outc(' '); backone(); backone();
if(str_index < str_len) {
for(int i = str_len; i > 0; i--) backone(); for(int i = str_len; i > 0; i--) backone();
col = CURSOR_POS_COL(page); col = CURSOR_POS_COL(page);
while(col > prompt_col) { while(col > prompt_col) {