From 32ef93110fc993f24540bdcff6c3d88c47cd64c1 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Fri, 25 Mar 2022 23:59:05 -0700
Subject: Don't schedule if you don't have to

---
 usr/tests/test.S | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 usr/tests/test.S

(limited to 'usr/tests/test.S')

diff --git a/usr/tests/test.S b/usr/tests/test.S
new file mode 100644
index 0000000..e80b6be
--- /dev/null
+++ b/usr/tests/test.S
@@ -0,0 +1,31 @@
+.section .text
+
+a.btest:
+	push {lr}
+	mov r0, #5
+	cmp r0, #4
+	pop {pc}
+
+.globl atest
+atest:
+	push {lr}
+	ldr r0, =a.btest
+	mov r1, #0
+	mov r2, #0
+	bl add_thread
+	mov r0, #5
+	subs r0, #5
+	svc #0
+	beq 1f
+	mov r0, #0
+	mov r1, #11
+	mov r2, #0x4E
+	mov r3, #0xFF0000
+	bl draw_cletter
+	pop {pc}
+1:	mov r0, #0
+	mov r1, #11
+	mov r2, #0x59
+	mov r3, #0xFF00
+	bl draw_cletter
+	pop {pc}
-- 
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