37 lines
789 B
ArmAsm
37 lines
789 B
ArmAsm
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#
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.define _send
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.define _receive
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.define _sendrec
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#ifdef ACK
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.sect .text
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.sect .rom
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.sect .data
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.sect .bss
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#endif ACK
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! =====================================================================
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! send and receive =
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! =====================================================================
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! send(), receive(), sendrec() destroy d0, d1, and a0.
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! See ../h/com.h for C definitions
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SEND = 1
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RECEIVE = 2
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BOTH = 3
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.sect .text
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_send: move.w #SEND,d0 ! send(dest, ptr)
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bra L0
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_receive:
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move.w #RECEIVE,d0 ! receive(src, ptr)
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bra L0
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_sendrec:
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move.w #BOTH,d0 ! sendrec(srcdest, ptr)
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L0: ! d0 = SEND/RECEIVE/BOTH
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move.w 4(sp),d1 ! d1 = dest-src
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move.l 6(sp),a0 ! a0 = message pointer
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trap #0 ! trap to the kernel
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rts ! return
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