87 lines
2.1 KiB
PHP
87 lines
2.1 KiB
PHP
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include '80186.inc'
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iterate <instr,opcode>, loadall,<0Fh,05h>, clts,<0Fh,06h>
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calminstruction instr?
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asm db opcode
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end calminstruction
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end iterate
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calminstruction arpl? dest*,src*
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call x86.parse_operand@dest, dest
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call x86.parse_operand@src, src
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check @src.type = 'reg' & (@dest.type = 'mem' | @dest.type = 'reg')
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jno invalid_combination_of_operands
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check @src.size = 2
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jno invalid_operand_size
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check @dest.size and not @src.size
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jno size_ok
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err 'operand sizes do not match'
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jump size_ok
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invalid_operand_size:
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err 'invalid operand size'
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size_ok:
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xcall x86.store_instruction@dest, (63h),@src.rm
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exit
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invalid_combination_of_operands:
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err 'invalid combination of operands'
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end calminstruction
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iterate <instr,ext,postbyte>, sldt,0,0, str,0,1, lldt,0,2, ltr,0,3, verr,0,4, verw,0,5, smsw,1,4, lmsw,1,6
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calminstruction instr? dest*
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call x86.parse_operand@dest, dest
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check @dest.size and not 2
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jno size_ok
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err 'invalid operand size'
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size_ok:
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check @dest.type = 'reg' | @dest.type = 'mem'
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jyes operand_ok
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err 'invalid operand'
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exit
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operand_ok:
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xcall x86.store_instruction@dest, <0Fh,ext>,(postbyte)
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end calminstruction
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end iterate
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iterate <instr,postbyte>, lgdt,2, lidt,3, sgdt,0, sidt,1
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calminstruction instr? dest*
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call x86.parse_operand@dest, dest
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check @dest.type = 'mem'
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jyes operand_ok
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err 'invalid operand'
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exit
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operand_ok:
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check @dest.size and not 5
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jno store_instruction
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err 'invalid operand size'
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store_instruction:
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xcall x86.store_instruction@dest, <0Fh,1>,(postbyte)
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exit
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end calminstruction
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end iterate
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iterate <instr,ext>, lar,2, lsl,3
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calminstruction instr? dest*,src*
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call x86.parse_operand@dest, dest
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call x86.parse_operand@src, src
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check @dest.type = 'reg' & (@src.type = 'mem' | @src.type = 'reg')
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jno invalid_combination_of_operands
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check @src.size and not 2
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jno size_ok
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err 'invalid operand size'
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size_ok:
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xcall x86.store_instruction@src, <0Fh,ext>,@dest.rm
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exit
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invalid_combination_of_operands:
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err 'invalid combination of operands'
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end calminstruction
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end iterate
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