Add DOS editing key support in BUFFERED INPUT.
diff --git a/dlls/winedos/int21.c b/dlls/winedos/int21.c
index 345d3b0..c6dff3d 100644
--- a/dlls/winedos/int21.c
+++ b/dlls/winedos/int21.c
@@ -246,6 +246,19 @@
#define EL_Serial 0x04
#define EL_Memory 0x05
+/* BIOS Keyboard Scancodes */
+#define KEY_LEFT 0x4B
+#define KEY_RIGHT 0x4D
+#define KEY_UP 0x48
+#define KEY_DOWN 0x50
+#define KEY_IC 0x52 /* insert char */
+#define KEY_DC 0x53 /* delete char */
+#define KEY_BACKSPACE 0x0E
+#define KEY_HOME 0x47
+#define KEY_END 0x4F
+#define KEY_NPAGE 0x49
+#define KEY_PPAGE 0x51
+
struct magic_device
{
@@ -1148,19 +1161,21 @@
if (ascii == '\r' || ascii == '\n')
{
- /*
- * FIXME: What should be echoed here?
- */
- DOSVM_PutChar( '\r' );
- DOSVM_PutChar( '\n' );
ptr[length] = '\r';
return length + 1;
}
/*
- * FIXME: This function is supposed to support
- * DOS editing keys...
+ * DOS handles only backspace and KEY_LEFT
+ * perhaps we should do more
*/
+ if (ascii == '\b' || scan == KEY_LEFT)
+ {
+ if (length==0) continue;
+ DOSVM_PutChar( '\b' );
+ length--;
+ continue;
+ }
/*
* If the buffer becomes filled to within one byte of
diff --git a/dlls/winedos/vga.c b/dlls/winedos/vga.c
index 791a388..00e27189 100644
--- a/dlls/winedos/vga.c
+++ b/dlls/winedos/vga.c
@@ -808,7 +808,10 @@
switch(ascii) {
case '\b':
if (vga_text_x)
+ {
vga_text_x--;
+ VGA_PutCharAt(vga_text_x, vga_text_y, ' ', 0);
+ }
break;
case '\t':
