mirror of
https://github.com/Tolik-Trek/Sprinter-BIOS.git
synced 2026-06-15 01:11:47 +03:00
89 lines
864 B
NASM
89 lines
864 B
NASM
CALL #E1D2
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DI
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LD (RelocatedCode.SPsave),SP
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LD HL,.START
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LD DE,#D800
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LD BC,.END-.START
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PUSH DE
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LDIR
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LD HL,#E1D1
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LD DE,#FFFF
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LD BC,#0850
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RET
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RelocatedCode:
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.START:
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LDDR
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LD HL,#F7B0
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LD DE,#D900
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LD B,#00
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LD A,(HL)
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BIT 7,A
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JR NZ,#D94A
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AND #0F
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LD B,A
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RLD
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ADD A,#03
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LD C,A
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INC HL
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LD A,E
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SUB (HL)
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INC HL
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LD SP,HL
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LD H,(HL)
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LD L,A
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LD A,D
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SBC A,B
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LD B,H
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LD H,A
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LD A,B
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LD B,#00
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LDIR
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LD H,B
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LD L,C
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ADD HL,SP
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JR #D929
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AND #7F
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JR Z,#D967
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INC HL
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BIT 6,A
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JR NZ,#D958
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LD C,A
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LDIR
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JR #D928
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AND #3F
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ADD A,#03
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LD B,A
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LD A,(HL)
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INC HL
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LD C,(HL)
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LD (DE),A
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INC DE
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DJNZ #D960
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LD A,C
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JR #D929
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LD SP,#D85B
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LD B,#03
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POP HL
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DEC SP
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POP AF
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LD (HL),A
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DJNZ #D96C
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.SPsave+1: LD SP,#0000
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DI
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RET
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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.END EQU $
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INCBIN 'SP_LOGO.BIN' |