Add subroutine for printing hexadecimal word

1 files changed, 0 insertions, 103 deletions

diff --git a/blink.s b/blink.s
deleted file mode 100644
index 5b65eb4..0000000
--- a/blink.s
+++ /dev/null
@@ -1,103 +0,0 @@
-.syntax unified
-.cpu cortex-m0plus
-.thumb
-
-.equ IO_BANK0_BASE,   0x40014000
-.equ GPIO25_STATUS,   (IO_BANK0_BASE + 0x0c8)
-.equ GPIO25_CTRL,     (IO_BANK0_BASE + 0x0cc)
-
-.equ SIO_BASE,          0xd0000000
-.equ GPIO_OUT_SET_OFST, 0x014
-.equ GPIO_OUT_XOR_OFST, 0x01c
-.equ GPIO_OE_SET_OFST,  0x024
-
-.equ ATOMIC_CLEAR,    0x3000
-
-.type setup_led, %function
-.global setup_led
-
-setup_led:
-  ldr r1, =GPIO25_CTRL
-  movs r0, 5 // SIO function = 5
-  str r0, [r1, 0]
-  ldr r1, =SIO_BASE
-  movs r0, 1
-  lsls r0, r0, 25 // GPIO 25 (LED) output enable
-  str r0, [r1, GPIO_OE_SET_OFST]
-  bx lr
-
-.type led_on, %function
-.global led_on
-
-led_on:
-  ldr r1, =SIO_BASE
-  movs r0, 1
-  lsls r0, 25
-  str r0, [r1, GPIO_OUT_SET_OFST]
-1:
-  b 1b
-
-.type blink, %function
-.global blink
-
-blink:
-  ldr r1, =SIO_BASE
-  movs r0, 1
-  lsls r0, 25
-1:
-  str r0, [r1, GPIO_OUT_XOR_OFST]
-  bl delay_1s
-  b 1b
-
-.type long_blink, %function
-.global long_blink
-
-long_blink:
-  push {lr}
-  ldr r1, =SIO_BASE
-  movs r0, 1
-  lsls r0, 25
-  bl delay_1s
-  str r0, [r1, GPIO_OUT_XOR_OFST]
-  bl delay_1s
-  str r0, [r1, GPIO_OUT_XOR_OFST]
-  bl delay_1s
-  pop {pc}
-
-.type blinkN, %function
-.global blinkN
-
-blinkN:
-  push {lr}
-  ldr r1, =SIO_BASE
-  movs r2, 1
-  lsls r2, 25
-  tst r0, r0
-  beq done
-on_then_off:
-  str r2, [r1, GPIO_OUT_XOR_OFST]
-  bl delay_quick
-  str r2, [r1, GPIO_OUT_XOR_OFST]
-  bl delay_quick
-  subs r0, r0, 1
-  bne on_then_off
-done:
-  pop {pc}
-
-.type blink_hex, %function
-.global blink_hex
-
-blink_hex:
-  push {lr}
-  movs r4, r0
-  movs r5, 0xf
-1:
-  ands r0, r5
-  bl blinkN
-  lsrs r4, 4
-  beq 2f
-  bl long_blink
-  movs r0, r4
-  b 1b
-2:
-  pop {pc}