rp2040

commit d1a910a596eb5934c5318bcb511515c5ee182063
parent d948bda3a8d2db3ec661e3c2d93e873b05a30970
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Mon, 17 Apr 2023 09:54:10 +0900

read copy right notice

Diffstat:
M
mach.s
 | 
15
+++++----------

1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/mach.s b/mach.s
@@ -135,16 +135,11 @@ pll_lock:
 	str r1, [r0, #0x2c] // UART0_UARTLCR_H
 
 	ldr r3, rom_base
-	ldrb r0, [r3, #0x10]
-	bl putchar
-	ldrb r0, [r3, #0x11]
-	bl putchar
-	ldrb r0, [r3, #0x12]
-	bl printh
-	mov r0, #'\n'
-	bl putchar
-	ldrb r0, [r3, #0x13]
-	bl printh
+	ldrh r0, [r3, #0x16] // rom_data_table
+	ldr r1, =('C' | 'R' << 8)
+	ldrh r2, [r3, #0x18] // rom_table_lookup
+	blx r2
+	bl print
 	
 	pop {r4, pc}