startup.asm

Graphic Library for screen pg12864 handled by lpc21xx controller. Project was developed with IAR emb

;-----------------------------------------------------------------------------
; This file contains the startup code used by the ICCARM C compiler.
;
; The modules in this file are included in the libraries, and may be replaced
; by any user-defined modules that define the PUBLIC symbol _program_start or
; a user defined start symbol.
; To override the cstartup defined in the library, simply add your modified
; version to the workbench project.
;
; All code in the modules (except ?RESET) will be placed in the ICODE segment.
;
; $Revision: 1.2 $
;
;-----------------------------------------------------------------------------
	
;
; Naming covention of labels in this file:
;
;  ?xxx	  - External labels only accessed from assembler.
;  __xxx  - External labels accessed from or defined in C.
;  xxx	  - Labels local to one module (note: this file contains 
;           several modules).
;  main	  - The starting point of the user program.
;

;---------------------------------------------------------------
; Macros and definitions for the whole file
;---------------------------------------------------------------

; Mode, correspords to bits 0-5 in CPSR
MODE_BITS	DEFINE	0x1F		; Bit mask for mode bits in CPSR
USR_MODE	DEFINE	0x10		; User mode
FIQ_MODE	DEFINE	0x11		; Fast Interrupt Request mode
IRQ_MODE	DEFINE	0x12		; Interrupt Request mode
SVC_MODE	DEFINE	0x13		; Supervisor mode
ABT_MODE	DEFINE	0x17		; Abort mode
UND_MODE	DEFINE	0x1B		; Undefined Instruction mode
SYS_MODE	DEFINE	0x1F		; System mode
	

// ---------- 物疱溴脲龛