X-Git-Url: https://git.friedersdorff.com/?a=blobdiff_plain;f=converter%2Fibm4704_usb%2Fmatrix.c;h=f25452d596c0c47e32d6e705b1a4920aae8efe2c;hb=83331cf6a27d3ef7d35c2e707a61a83d88f125dd;hp=155df9c38f26f5fa2d9a610e4773436c75dd1fdc;hpb=80fd3b0b240a8840fbca1cc3cc70e76f5b52b888;p=max%2Ftmk_keyboard.git

diff --git a/converter/ibm4704_usb/matrix.c b/converter/ibm4704_usb/matrix.c
index 155df9c3..f25452d5 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
@@ -105,8 +106,8 @@ uint8_t matrix_scan(void)
     if (code==0xFF) {
         // Not receivd
         return 0;
-    } else if ((code&0x7F) >= 0x7A) {
-        // 0xFF-FA and 0x7F-7A is not scancode
+    } else if ((code&0x7F) >= 0x7C) {
+        // 0xFF-FC and 0x7F-7C is not scancode
         xprintf("Error: %02X\n", code);
         matrix_clear();
         return 0;