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- _start:
- clr r1
- // load stack pointer
- ldi r30,lo8(_stack_top)
- out 0x3d,r30
- ldi r30,hi8(_stack_top)
- out 0x3e,r30
- // Initialize .data section
- ldi XL,lo8(_data)
- ldi XH,hi8(_data)
- ldi YH,hi8(_edata)
- ldi ZL,lo8(_etext)
- ldi ZH,hi8(_etext)
- rjmp .LCopyDataLoopEntry
- .LCopyDataLoop:
- lpm r0, Z+
- st X+, r0
- .LCopyDataLoopEntry:
- cpi XL, lo8(_edata)
- cpc XH, YH
- brne .LCopyDataLoop
- // Zero .bss section
- ldi XL,lo8(_bss_start)
- ldi XH,hi8(_bss_start)
- ldi YH,hi8(_bss_end)
- {$ifdef RELBRANCHES}
- rjmp .LZeroBssLoopEntry
- {$else RELBRANCHES}
- jmp .LZeroBssLoopEntry
- {$endif RELBRANCHES}
- .LZeroBssLoop:
- st X+, r1
- .LZeroBssLoopEntry:
- cpi XL, lo8(_bss_end)
- cpc XH, YH
- brne .LZeroBssLoop
- {$ifdef RELBRANCHES}
- rjmp PASCALMAIN
- {$else RELBRANCHES}
- jmp PASCALMAIN
- {$endif RELBRANCHES}
- .text
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