From 93bf62580a68533dc8252b9a2a055c02f34ecb67 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Thu, 24 Mar 2022 09:38:08 -0700
Subject: Modularized

---
 src/drivers/uart.S | 53 -----------------------------------------------------
 1 file changed, 53 deletions(-)
 delete mode 100644 src/drivers/uart.S

(limited to 'src/drivers/uart.S')

diff --git a/src/drivers/uart.S b/src/drivers/uart.S
deleted file mode 100644
index 38957c2..0000000
--- a/src/drivers/uart.S
+++ /dev/null
@@ -1,53 +0,0 @@
-.section ".text"
-
-.globl uart_char
-uart_char:
-	mov r2, #0x1000
-	movt r2, #0x3f20
-1:
-	ldr r3, [r2, #24]
-	tst r3, #0b100000
-	bne 1b
-	str r0, [r2]
-	bx lr
-
-.globl uart_string
-uart_string:
-	push    {r4, lr}
-	mov     r4, r0
-	ldrb    r0, [r0]
-	cmp     r0, #0
-	popeq   {r4, pc}
-1:
-	bl      uart_char
-	ldrb    r0, [r4, #1]!
-	cmp     r0, #0
-	bne 1b
-	pop     {r4, pc}
-
-.globl uart_hex
-uart_hex:
-	push {r4, lr}
-	mov r2, #0x1000
-	movt r2, #0x3f20
-1:
-	ldr r3, [r2, #24]
-	tst r3, #0b100000
-	bne 1b
-	mov r3, #7
-2:
-	mov r1, r0
-	asr r1, r3
-	asr r1, r3
-	asr r1, r3
-	asr r1, r3
-	and r1, #0xf
-	add r1, #0x30
-	cmp r1, #0x3A
-	blt 3f
-	add r1, #7
-3:
-	str r1, [r2]
-	subs r3, #1
-	bge 2b // Jump back to wait for availablilty
-	pop {r4, pc}
-- 
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