forked from MirrorRepos/RomWBW
283 lines
2.8 KiB
NASM
283 lines
2.8 KiB
NASM
extrn .begin,.chl,.swt
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extrn csave,cret,.move
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PUBLIC memcmp_
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memcmp_: lxi d,.2
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call csave
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LXI H,8-.2
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DAD SP
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MOV E,M
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INX H
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MOV D,M
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LXI H,2-.2
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DAD SP
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MOV M,E
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INX H
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MOV M,D
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LXI H,10-.2
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DAD SP
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MOV E,M
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INX H
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MOV D,M
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LXI H,0-.2
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DAD SP
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MOV M,E
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INX H
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MOV M,D
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LXI H,0
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XCHG
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LXI H,-2-.2
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DAD SP
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MOV M,E
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INX H
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MOV M,D
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JMP .4
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.3:
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LXI H,-2-.2
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DAD SP
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PUSH H
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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INX H
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XCHG
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POP H
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MOV M,E
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INX H
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MOV M,D
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.4:
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LXI H,-2-.2
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DAD SP
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MOV E,M
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INX H
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MOV D,M
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LXI H,12-.2
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DAD SP
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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CALL .lt
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JZ .5
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LXI H,0-.2
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DAD SP
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PUSH H
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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INX H
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XCHG
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POP H
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MOV M,E
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INX H
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MOV M,D
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XCHG
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DCX H
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MOV E,M
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MVI D,0
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PUSH D
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LXI H,4-.2
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DAD SP
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PUSH H
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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INX H
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XCHG
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POP H
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MOV M,E
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INX H
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MOV M,D
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XCHG
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DCX H
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MOV E,M
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MVI D,0
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POP H
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CALL .ne
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JZ .6
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LXI H,0
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RET
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.6:
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JMP .3
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.5:
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LXI H,1
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RET
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.2 EQU -6
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PUBLIC memcpy_
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memcpy_: lxi d,.7
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call csave
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LXI H,10-.7
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DAD SP
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MOV E,M
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INX H
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MOV D,M
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LXI H,2-.7
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DAD SP
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MOV M,E
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INX H
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MOV M,D
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LXI H,8-.7
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DAD SP
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MOV E,M
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INX H
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MOV D,M
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LXI H,0-.7
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DAD SP
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MOV M,E
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INX H
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MOV M,D
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LXI H,0
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XCHG
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LXI H,-2-.7
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DAD SP
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MOV M,E
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INX H
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MOV M,D
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JMP .9
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.8:
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LXI H,-2-.7
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DAD SP
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PUSH H
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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INX H
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XCHG
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POP H
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MOV M,E
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INX H
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MOV M,D
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.9:
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LXI H,-2-.7
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DAD SP
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MOV E,M
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INX H
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MOV D,M
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LXI H,12-.7
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DAD SP
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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CALL .lt
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JZ .10
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LXI H,2-.7
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DAD SP
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PUSH H
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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INX H
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XCHG
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POP H
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MOV M,E
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INX H
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MOV M,D
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XCHG
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DCX H
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MOV E,M
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PUSH D
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LXI H,2-.7
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DAD SP
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PUSH H
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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INX H
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XCHG
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POP H
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MOV M,E
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INX H
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MOV M,D
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XCHG
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DCX H
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POP D
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MOV M,E
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JMP .8
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.10:
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RET
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.7 EQU -6
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PUBLIC memset_
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memset_: lxi d,.11
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call csave
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LXI H,8-.11
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DAD SP
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MOV E,M
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INX H
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MOV D,M
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LXI H,2-.11
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DAD SP
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MOV M,E
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INX H
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MOV M,D
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LXI H,0
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XCHG
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LXI H,0-.11
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DAD SP
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MOV M,E
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INX H
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MOV M,D
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JMP .13
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.12:
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LXI H,0-.11
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DAD SP
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PUSH H
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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INX H
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XCHG
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POP H
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MOV M,E
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INX H
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MOV M,D
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.13:
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LXI H,0-.11
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DAD SP
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MOV E,M
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INX H
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MOV D,M
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LXI H,12-.11
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DAD SP
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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CALL .ul
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JZ .14
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LXI H,10-.11
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DAD SP
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MOV E,M
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PUSH D
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LXI H,4-.11
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DAD SP
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PUSH H
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MOV A,M
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INX H
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MOV H,M
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MOV L,A
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INX H
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XCHG
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POP H
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MOV M,E
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INX H
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MOV M,D
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XCHG
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DCX H
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POP D
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MOV M,E
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JMP .12
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.14:
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RET
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.11 EQU -4
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extrn .ne
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extrn .lt
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extrn .ul
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END
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