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-rw-r--r--converter/ibm4704_usb/matrix.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/converter/ibm4704_usb/matrix.c b/converter/ibm4704_usb/matrix.c
index 155df9c38f..5b91d49f81 100644
--- a/converter/ibm4704_usb/matrix.c
+++ b/converter/ibm4704_usb/matrix.c
@@ -68,8 +68,9 @@ uint8_t matrix_cols(void)
static void enable_break(void)
{
print("Enable break: ");
+ while (ibm4704_send(0xFC)) { _delay_ms(10); }
// valid scancode: 00-79h
- for (uint8_t code = 0; code < 0x7A; code++) {
+ for (uint8_t code = 0; code < 0x7F; code++) {
while (ibm4704_send(0x80|code)) _delay_ms(10);
_delay_ms(5); // wait for response
// No response(FF) when ok, FD when out of bound