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https://opencores.org/ocsvn/8051/8051/trunk
[/] [8051/] [trunk/] [asm/] [lcall.asm] - Diff between revs 2 and 131
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| Rev 2 |
Rev 131 |
| Line 15... |
Line 15... |
nop;
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nop;
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;
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;
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; test p bit in psw
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; test p bit in psw
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;
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;
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mov r0, #0f0h
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mov r0, #0f0h ;
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mov a, #031h; p=1
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mov a, #031h; p=1
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mov c, psw.0;
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mov c, psw.0;
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jnc error;
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jnc error;
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mov p0, #001h;
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mov p0, #001h;
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mov r0, #0f1h;
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mov r0, #0f1h;
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mov a, #063h; p=0
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mov a, #063h; p=0
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mov c, psw.0;
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mov c, psw.0;
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jc error;
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jc error;
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mov P0, #02h ;
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jnz test1 ;
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nop
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nop
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nop
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test1:
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ljmp test ;
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error:
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mov p1, r0;
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;
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; test relative jumps
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;
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error:
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mov p0, r0;
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org 01f0h ;
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done:
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nop ;
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mov p0, #33h ;
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ajmp done ;
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org 0210h
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test:
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mov b, #04h ;
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clr a ;
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jz done ;
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org 02f0h ;
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mov r0, #00 ;
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ljmp error ;
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end
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