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Chapter 5 Detailed Applications
- 86 -
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MOV.L #FROM_,A0
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MOV.L #TO_,A1
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MOV.L #(sizeof SECT_ & 0FFFFFFH), R3R1
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XCHG.W R1,R3
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_loop:
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SMOVF.B
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CMP.W #0,R1
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JEQ _end
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MOV.B [A0],[A1]
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ADD.L #1,A1
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ADD.L #1,A0
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MOV.W #0FFFFH,R3
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SUB.W #1,R1
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JMP _loop
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_end:
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.ENDM
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;=================================================================
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; Interrupt section start
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;-----------------------------------------------------------------
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.SECTION MR_KERNEL,CODE,ALIGN
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;-----------------------------------------------------------------
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; after reset,this program will start
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;-----------------------------------------------------------------
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__SYS_INITIAL:
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LDC #__Sys_Sp,ISP ; set initial ISP
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MOV.B #2,0AH
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MOV.B #00,PMOD ; Set Processor Mode Register
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MOV.B #0,0AH
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LDC #0010H,FLG
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LDC #__SB__,SB
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LDC #0000H,FLG
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LDC #__Sys_Sp,FB
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LDC #__SB__,SB
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; +-----------------------------------------------------+
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; | ISSUE SYSTEM CALL DATA INITIALIZE |
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; +-----------------------------------------------------+
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; For PD308
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__INIT_ISSUE_SYSCALL
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;=================================================================
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; MR_RAM zero clear
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;--------------------------------------------------------
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N_BZERO MR_RAM_NE_top,MR_RAM_NE
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N_BZERO MR_RAM_NO_top,MR_RAM_NO
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BZERO MR_RAM_top,MR_RAM
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;=================================================================
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; NEAR area initialize.
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;--------------------------------------------------------
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; bss zero clear
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;--------------------------------------------------------
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N_BZERO bss_SE_top,bss_SE
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N_BZERO bss_SO_top,bss_SO
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N_BZERO bss_NE_top,bss_NE
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N_BZERO bss_NO_top,bss_NO
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;--------------------------------------------------------
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; initialize data section
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;--------------------------------------------------------
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N_BCOPY data_SEI_top,data_SE_top,data_SE
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N_BCOPY data_SOI_top,data_SO_top,data_SO
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N_BCOPY data_NEI_top,data_NE_top,data_NE
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N_BCOPY data_NOI_top,data_NO_top,data_NO
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;=================================================================
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; FAR area initialize.
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;--------------------------------------------------------
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; bss zero clear
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;--------------------------------------------------------
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BZERO bss_FE_top,bss_FE
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BZERO bss_FO_top,bss_FO
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;--------------------------------------------------------
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; Copy edata_E(O) section from edata_EI(OI) section