From 0cf9dfc888755e18a88f71f40863e3dc035ab91a Mon Sep 17 00:00:00 2001
From: tmk <hasu@tmk-kbd.com>
Date: Mon, 11 May 2020 13:22:06 +0900
Subject: [PATCH] ibmpc: Add ibmpc_isr_debug to see isr_state

---
 tmk_core/protocol/ibmpc.c | 4 ++++
 tmk_core/protocol/ibmpc.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/tmk_core/protocol/ibmpc.c b/tmk_core/protocol/ibmpc.c
index 2c9e1213..0e3998aa 100644
--- a/tmk_core/protocol/ibmpc.c
+++ b/tmk_core/protocol/ibmpc.c
@@ -56,6 +56,7 @@ POSSIBILITY OF SUCH DAMAGE.
 } while (0)
 
 
+volatile uint16_t ibmpc_isr_debug = 0;
 volatile uint8_t ibmpc_protocol = IBMPC_PROTOCOL_NO;
 volatile uint8_t ibmpc_error = IBMPC_ERR_NONE;
 
@@ -286,6 +287,7 @@ ISR(IBMPC_INT_VECT)
             break;
         case 0b11100000:
             // XT_IBM-error-done
+            ibmpc_isr_debug = isr_state;
             isr_state = isr_state>>8;
             ibmpc_protocol = IBMPC_PROTOCOL_XT_ERROR;
             goto DONE;
@@ -327,12 +329,14 @@ ISR(IBMPC_INT_VECT)
         case 0b11110000:
         default:            // xxxx_oooo(any 1 in low nibble)
             // Illegal
+            ibmpc_isr_debug = isr_state;
             ibmpc_error = IBMPC_ERR_ILLEGAL;
             goto ERROR;
             break;
     }
 
 ERROR:
+    ibmpc_isr_debug = isr_state;
     isr_state = 0x8000;
     recv_data = 0xFF00; // clear data and scancode of error 0x00
     return;
diff --git a/tmk_core/protocol/ibmpc.h b/tmk_core/protocol/ibmpc.h
index cb753406..7c8ea84a 100644
--- a/tmk_core/protocol/ibmpc.h
+++ b/tmk_core/protocol/ibmpc.h
@@ -90,6 +90,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #define IBMPC_LED_CAPS_LOCK   2
 
 
+extern volatile uint16_t ibmpc_isr_debug;
 extern volatile uint8_t ibmpc_protocol;
 extern volatile uint8_t ibmpc_error;
 
-- 
2.46.2