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cpu.x86.assembler: cleanup

db4
Slava Pestov 2009-09-23 19:30:36 -05:00
parent 7c83ccf6b0
commit 563ecbd871
3 changed files with 11 additions and 0 deletions
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8
basis/cpu/x86/assembler/assembler.factor
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@ -198,12 +198,16 @@ M: register POP f HEX: 58 short-operand ;
M: operand POP { BIN: 000 f HEX: 8f } 1-operand ;
! MOV where the src is immediate.
<PRIVATE
GENERIC: (MOV-I) ( src dst -- )
M: register (MOV-I) t HEX: b8 short-operand cell, ;
M: operand (MOV-I)
{ BIN: 000 t HEX: c6 }
pick byte? [ immediate-1 ] [ immediate-4 ] if ;
PRIVATE>
GENERIC: MOV ( dst src -- )
M: immediate MOV swap (MOV-I) ;
M: operand MOV HEX: 88 2-operand ;
@ -296,6 +300,8 @@ M: operand TEST OCT: 204 2-operand ;
: CDQ ( -- ) HEX: 99 , ;
: CQO ( -- ) HEX: 48 , CDQ ;
<PRIVATE
: (SHIFT) ( dst src op -- )
over CL eq? [
nip t HEX: d3 3array 1-operand
@ -303,6 +309,8 @@ M: operand TEST OCT: 204 2-operand ;
swapd t HEX: c0 3array immediate-1
] if ; inline
PRIVATE>
: ROL ( dst n -- ) BIN: 000 (SHIFT) ;
: ROR ( dst n -- ) BIN: 001 (SHIFT) ;
: RCL ( dst n -- ) BIN: 010 (SHIFT) ;

2
basis/cpu/x86/assembler/operands/authors.txt Normal file
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@ -0,0 +1,2 @@
Slava Pestov
Joe Groff

1
basis/cpu/x86/assembler/operands/summary.txt Normal file
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@ -0,0 +1 @@
x86 registers and memory operands