init.s

来自「lcd显示汉字,基于arm的开发文档。里面有字库」· S 代码 · 共 59 行

	IMPORT Main1
	
	AREA Init,CODE,READONLY
	ENTRY
_start
	b RESET
	B	.
	B	.
	B	.
	B	.
	B	.
	B	.
	B	.
RESET
	bl MemConfig
	b Main1
MemConfig
	;CONFIG BANK
	LDR R0,=0x48000000
	LDR R1,=0x22111120
	STR R1,[R0]
	LDR R0,=0x48000004
	LDR R1,=0x00000700
	STR R1,[R0]
	LDR R0,=0x48000008
	LDR R1,=0x00000700
	STR R1,[R0]
	LDR R0,=0x4800000C
	LDR R1,=0x00000700
	STR R1,[R0]
	LDR R0,=0x48000010
	LDR R1,=0x1f7c
	STR R1,[R0]
	LDR R0,=0x48000014
	LDR R1,=0x00000700
	STR R1,[R0]
	LDR R0,=0x48000018
	LDR R1,=0x00000700
	STR R1,[R0]
	LDR R0,=0x4800001C
	LDR R1,=0x00018005
	STR R1,[R0]
	LDR R0,=0x48000020
	LDR R1,=0x00018005
	STR R1,[R0]
	LDR R0,=0x48000024
	LDR R1,=0x00830459
	STR R1,[R0]
	LDR R0,=0x48000028
	LDR R1,=0x00000032
	STR R1,[R0]
	LDR R0,=0x4800002C
	LDR R1,=0x00000030
	STR R1,[R0]
	LDR R0,=0x48000030
	LDR R1,=0x00000030
	STR R1,[R0]
	MOV PC,LR
	END