Revert "readline: rewrite Ctrl-[pnbf] to arrows"
This reverts commit 9e2d9f1630353d3e89874ba4732b32b293726857.
diff --git a/stage23/lib/readline.c b/stage23/lib/readline.c
index ecbfac71..201780ff 100644
--- a/stage23/lib/readline.c
+++ b/stage23/lib/readline.c
@@ -35,22 +35,6 @@ int getchar_internal(uint8_t scancode, uint8_t ascii) {
return GETCHAR_PGDOWN;
case 0x01:
return GETCHAR_ESCAPE;
-
- // special case checks for C-[pnfb]
-#define CTRL_CHECK(ch, key) \
- if ((ascii | 0x60) == ch) { \
- return key; \
- } else { \
- break; \
- }
- case 0x19:
- CTRL_CHECK('p', GETCHAR_CURSOR_UP);
- case 0x31:
- CTRL_CHECK('n', GETCHAR_CURSOR_DOWN);
- case 0x21:
- CTRL_CHECK('f', GETCHAR_CURSOR_RIGHT);
- case 0x30:
- CTRL_CHECK('b', GETCHAR_CURSOR_LEFT);
#elif defined (uefi)
case SCAN_F10:
return GETCHAR_F10;
@@ -74,22 +58,8 @@ int getchar_internal(uint8_t scancode, uint8_t ascii) {
return GETCHAR_PGDOWN;
case SCAN_ESC:
return GETCHAR_ESCAPE;
-
- // special case checks for C-[pnfb]
- // EFI for some reason reports scancode zero if Ctrl is held
-#define CTRL_CHECK(ch, key) \
- if ((ascii | 0x60) == ch) { \
- return key; \
- }
- case 0:
- CTRL_CHECK('p', GETCHAR_CURSOR_UP);
- CTRL_CHECK('n', GETCHAR_CURSOR_DOWN);
- CTRL_CHECK('f', GETCHAR_CURSOR_RIGHT);
- CTRL_CHECK('b', GETCHAR_CURSOR_LEFT);
- break;
#endif
}
-#undef CTRL_CHECK
switch (ascii) {
case '\r':
return '\n';
