From bc01375056304651c1dd5cd366a74fc54aeadc63 Mon Sep 17 00:00:00 2001
From: Scott Duensing <scott@kangaroopunch.com>
Date: Fri, 2 Feb 2024 23:06:26 -0600
Subject: [PATCH] Fixed kernel linking issue.

---
 build-llvm-mos.sh | 2 +-
 f256lib/kernel.h  | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/build-llvm-mos.sh b/build-llvm-mos.sh
index 9b2c1ab..6750dc6 100755
--- a/build-llvm-mos.sh
+++ b/build-llvm-mos.sh
@@ -25,7 +25,7 @@
 
 INSTALL=$(pwd)/llvm-mos
 
-if [[ "${1,,}" == "all" ]]; then
+if [[ ! -d llvm-mos-source ]] || [[ "${1,,}" == "all" ]]; then
 	sudo apt-get install -y cmake ninja-build
 	if [[ ! -d llvm-mos-source ]]; then
 		git clone https://github.com/llvm-mos/llvm-mos.git llvm-mos-source
diff --git a/f256lib/kernel.h b/f256lib/kernel.h
index 206dff1..fa57a80 100644
--- a/f256lib/kernel.h
+++ b/f256lib/kernel.h
@@ -44,7 +44,7 @@ extern "C"
                         "sta (%[ret])  \n" \
                         "lda #0        \n" \
                         "ror a         \n" \
-                        "sta (%[err])  \n" \
+                        "sta %[err]    \n" \
                         : [err] "=m"(kernelError), [ret] "=m"(ret) \
                         : [addy] "i"(kernelVector(fn)) \
                         : "a", "c", "v"); \
@@ -56,6 +56,7 @@ typedef struct event_t   kernelEventT;
 typedef struct call_args kernelArgsT;
 
 
+extern char         kernelError;
 extern kernelEventT kernelEventData;
 extern kernelArgsT *kernelArgs;