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-@c Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
-@c This is part of the GAS manual.
-@c For copying conditions, see the file as.texinfo.
-@ifset GENERIC
-@page
-@node Z8000-Dependent
-@chapter Z8000 Dependent Features
-@end ifset
-@ifclear GENERIC
-@node Machine Dependencies
-@chapter Z8000 Dependent Features
-@end ifclear
-
-@cindex Z8000 support
-The Z8000 @value{AS} supports both members of the Z8000 family: the
-unsegmented Z8002, with 16 bit addresses, and the segmented Z8001 with
-24 bit addresses.
-
-When the assembler is in unsegmented mode (specified with the
-@code{unsegm} directive), an address takes up one word (16 bit)
-sized register. When the assembler is in segmented mode (specified with
-the @code{segm} directive), a 24-bit address takes up a long (32 bit)
-register. @xref{Z8000 Directives,,Assembler Directives for the Z8000},
-for a list of other Z8000 specific assembler directives.
-
-@menu
-* Z8000 Options:: No special command-line options for Z8000
-* Z8000 Syntax:: Assembler syntax for the Z8000
-* Z8000 Directives:: Special directives for the Z8000
-* Z8000 Opcodes:: Opcodes
-@end menu
-
-@node Z8000 Options
-@section Options
-
-@cindex Z8000 options
-@cindex options, Z8000
-@code{@value{AS}} has no additional command-line options for the Zilog
-Z8000 family.
-
-@node Z8000 Syntax
-@section Syntax
-@menu
-* Z8000-Chars:: Special Characters
-* Z8000-Regs:: Register Names
-* Z8000-Addressing:: Addressing Modes
-@end menu
-
-@node Z8000-Chars
-@subsection Special Characters
-
-@cindex line comment character, Z8000
-@cindex Z8000 line comment character
-@samp{!} is the line comment character.
-
-@cindex line separator, Z8000
-@cindex statement separator, Z8000
-@cindex Z8000 line separator
-You can use @samp{;} instead of a newline to separate statements.
-
-@node Z8000-Regs
-@subsection Register Names
-
-@cindex Z8000 registers
-@cindex registers, Z8000
-The Z8000 has sixteen 16 bit registers, numbered 0 to 15. You can refer
-to different sized groups of registers by register number, with the
-prefix @samp{r} for 16 bit registers, @samp{rr} for 32 bit registers and
-@samp{rq} for 64 bit registers. You can also refer to the contents of
-the first eight (of the sixteen 16 bit registers) by bytes. They are
-named @samp{r@var{n}h} and @samp{r@var{n}l}.
-
-@smallexample
-@exdent @emph{byte registers}
-r0l r0h r1h r1l r2h r2l r3h r3l
-r4h r4l r5h r5l r6h r6l r7h r7l
-
-@exdent @emph{word registers}
-r0 r1 r2 r3 r4 r5 r6 r7 r8 r9 r10 r11 r12 r13 r14 r15
-
-@exdent @emph{long word registers}
-rr0 rr2 rr4 rr6 rr8 rr10 rr12 rr14
-
-@exdent @emph{quad word registers}
-rq0 rq4 rq8 rq12
-@end smallexample
-
-@node Z8000-Addressing
-@subsection Addressing Modes
-
-@cindex addressing modes, Z8000
-@cindex Z800 addressing modes
-@value{AS} understands the following addressing modes for the Z8000:
-
-@table @code
-@item r@var{n}
-Register direct
-
-@item @@r@var{n}
-Indirect register
-
-@item @var{addr}
-Direct: the 16 bit or 24 bit address (depending on whether the assembler
-is in segmented or unsegmented mode) of the operand is in the instruction.
-
-@item address(r@var{n})
-Indexed: the 16 or 24 bit address is added to the 16 bit register to produce
-the final address in memory of the operand.
-
-@item r@var{n}(#@var{imm})
-Base Address: the 16 or 24 bit register is added to the 16 bit sign
-extended immediate displacement to produce the final address in memory
-of the operand.
-
-@item r@var{n}(r@var{m})
-Base Index: the 16 or 24 bit register r@var{n} is added to the sign
-extended 16 bit index register r@var{m} to produce the final address in
-memory of the operand.
-
-@item #@var{xx}
-Immediate data @var{xx}.
-@end table
-
-@node Z8000 Directives
-@section Assembler Directives for the Z8000
-
-@cindex Z8000 directives
-@cindex directives, Z8000
-The Z8000 port of @value{AS} includes these additional assembler directives,
-for compatibility with other Z8000 assemblers. As shown, these do not
-begin with @samp{.} (unlike the ordinary @value{AS} directives).
-
-@table @code
-@kindex segm
-@item segm
-Generates code for the segmented Z8001.
-
-@kindex unsegm
-@item unsegm
-Generates code for the unsegmented Z8002.
-
-@kindex name
-@item name
-Synonym for @code{.file}
-
-@kindex global
-@item global
-Synonym for @code{.global}
-
-@kindex wval
-@item wval
-Synonym for @code{.word}
-
-@kindex lval
-@item lval
-Synonym for @code{.long}
-
-@kindex bval
-@item bval
-Synonym for @code{.byte}
-
-@kindex sval
-@item sval
-Assemble a string. @code{sval} expects one string literal, delimited by
-single quotes. It assembles each byte of the string into consecutive
-addresses. You can use the escape sequence @samp{%@var{xx}} (where
-@var{xx} represents a two-digit hexadecimal number) to represent the
-character whose @sc{ascii} value is @var{xx}. Use this feature to
-describe single quote and other characters that may not appear in string
-literals as themselves. For example, the C statement @w{@samp{char *a =
-"he said \"it's 50% off\"";}} is represented in Z8000 assembly language
-(shown with the assembler output in hex at the left) as
-
-@iftex
-@begingroup
-@let@nonarrowing=@comment
-@end iftex
-@smallexample
-68652073 sval 'he said %22it%27s 50%25 off%22%00'
-61696420
-22697427
-73203530
-25206F66
-662200
-@end smallexample
-@iftex
-@endgroup
-@end iftex
-
-@kindex rsect
-@item rsect
-synonym for @code{.section}
-
-@kindex block
-@item block
-synonym for @code{.space}
-
-@kindex even
-@item even
-special case of @code{.align}; aligns output to even byte boundary.
-@end table
-
-@node Z8000 Opcodes
-@section Opcodes
-
-@cindex Z8000 opcode summary
-@cindex opcode summary, Z8000
-@cindex mnemonics, Z8000
-@cindex instruction summary, Z8000
-For detailed information on the Z8000 machine instruction set, see
-@cite{Z8000 Technical Manual}.
-
-@ifset SMALL
-@c this table, due to the multi-col faking and hardcoded order, looks silly
-@c except in smallbook. See comments below "@set SMALL" near top of this file.
-
-The following table summarizes the opcodes and their arguments:
-@iftex
-@begingroup
-@let@nonarrowing=@comment
-@end iftex
-@smallexample
-
- rs @r{16 bit source register}
- rd @r{16 bit destination register}
- rbs @r{8 bit source register}
- rbd @r{8 bit destination register}
- rrs @r{32 bit source register}
- rrd @r{32 bit destination register}
- rqs @r{64 bit source register}
- rqd @r{64 bit destination register}
- addr @r{16/24 bit address}
- imm @r{immediate data}
-
-adc rd,rs clrb addr cpsir @@rd,@@rs,rr,cc
-adcb rbd,rbs clrb addr(rd) cpsirb @@rd,@@rs,rr,cc
-add rd,@@rs clrb rbd dab rbd
-add rd,addr com @@rd dbjnz rbd,disp7
-add rd,addr(rs) com addr dec @@rd,imm4m1
-add rd,imm16 com addr(rd) dec addr(rd),imm4m1
-add rd,rs com rd dec addr,imm4m1
-addb rbd,@@rs comb @@rd dec rd,imm4m1
-addb rbd,addr comb addr decb @@rd,imm4m1
-addb rbd,addr(rs) comb addr(rd) decb addr(rd),imm4m1
-addb rbd,imm8 comb rbd decb addr,imm4m1
-addb rbd,rbs comflg flags decb rbd,imm4m1
-addl rrd,@@rs cp @@rd,imm16 di i2
-addl rrd,addr cp addr(rd),imm16 div rrd,@@rs
-addl rrd,addr(rs) cp addr,imm16 div rrd,addr
-addl rrd,imm32 cp rd,@@rs div rrd,addr(rs)
-addl rrd,rrs cp rd,addr div rrd,imm16
-and rd,@@rs cp rd,addr(rs) div rrd,rs
-and rd,addr cp rd,imm16 divl rqd,@@rs
-and rd,addr(rs) cp rd,rs divl rqd,addr
-and rd,imm16 cpb @@rd,imm8 divl rqd,addr(rs)
-and rd,rs cpb addr(rd),imm8 divl rqd,imm32
-andb rbd,@@rs cpb addr,imm8 divl rqd,rrs
-andb rbd,addr cpb rbd,@@rs djnz rd,disp7
-andb rbd,addr(rs) cpb rbd,addr ei i2
-andb rbd,imm8 cpb rbd,addr(rs) ex rd,@@rs
-andb rbd,rbs cpb rbd,imm8 ex rd,addr
-bit @@rd,imm4 cpb rbd,rbs ex rd,addr(rs)
-bit addr(rd),imm4 cpd rd,@@rs,rr,cc ex rd,rs
-bit addr,imm4 cpdb rbd,@@rs,rr,cc exb rbd,@@rs
-bit rd,imm4 cpdr rd,@@rs,rr,cc exb rbd,addr
-bit rd,rs cpdrb rbd,@@rs,rr,cc exb rbd,addr(rs)
-bitb @@rd,imm4 cpi rd,@@rs,rr,cc exb rbd,rbs
-bitb addr(rd),imm4 cpib rbd,@@rs,rr,cc ext0e imm8
-bitb addr,imm4 cpir rd,@@rs,rr,cc ext0f imm8
-bitb rbd,imm4 cpirb rbd,@@rs,rr,cc ext8e imm8
-bitb rbd,rs cpl rrd,@@rs ext8f imm8
-bpt cpl rrd,addr exts rrd
-call @@rd cpl rrd,addr(rs) extsb rd
-call addr cpl rrd,imm32 extsl rqd
-call addr(rd) cpl rrd,rrs halt
-calr disp12 cpsd @@rd,@@rs,rr,cc in rd,@@rs
-clr @@rd cpsdb @@rd,@@rs,rr,cc in rd,imm16
-clr addr cpsdr @@rd,@@rs,rr,cc inb rbd,@@rs
-clr addr(rd) cpsdrb @@rd,@@rs,rr,cc inb rbd,imm16
-clr rd cpsi @@rd,@@rs,rr,cc inc @@rd,imm4m1
-clrb @@rd cpsib @@rd,@@rs,rr,cc inc addr(rd),imm4m1
-inc addr,imm4m1 ldb rbd,rs(rx) mult rrd,addr(rs)
-inc rd,imm4m1 ldb rd(imm16),rbs mult rrd,imm16
-incb @@rd,imm4m1 ldb rd(rx),rbs mult rrd,rs
-incb addr(rd),imm4m1 ldctl ctrl,rs multl rqd,@@rs
-incb addr,imm4m1 ldctl rd,ctrl multl rqd,addr
-incb rbd,imm4m1 ldd @@rs,@@rd,rr multl rqd,addr(rs)
-ind @@rd,@@rs,ra lddb @@rs,@@rd,rr multl rqd,imm32
-indb @@rd,@@rs,rba lddr @@rs,@@rd,rr multl rqd,rrs
-inib @@rd,@@rs,ra lddrb @@rs,@@rd,rr neg @@rd
-inibr @@rd,@@rs,ra ldi @@rd,@@rs,rr neg addr
-iret ldib @@rd,@@rs,rr neg addr(rd)
-jp cc,@@rd ldir @@rd,@@rs,rr neg rd
-jp cc,addr ldirb @@rd,@@rs,rr negb @@rd
-jp cc,addr(rd) ldk rd,imm4 negb addr
-jr cc,disp8 ldl @@rd,rrs negb addr(rd)
-ld @@rd,imm16 ldl addr(rd),rrs negb rbd
-ld @@rd,rs ldl addr,rrs nop
-ld addr(rd),imm16 ldl rd(imm16),rrs or rd,@@rs
-ld addr(rd),rs ldl rd(rx),rrs or rd,addr
-ld addr,imm16 ldl rrd,@@rs or rd,addr(rs)
-ld addr,rs ldl rrd,addr or rd,imm16
-ld rd(imm16),rs ldl rrd,addr(rs) or rd,rs
-ld rd(rx),rs ldl rrd,imm32 orb rbd,@@rs
-ld rd,@@rs ldl rrd,rrs orb rbd,addr
-ld rd,addr ldl rrd,rs(imm16) orb rbd,addr(rs)
-ld rd,addr(rs) ldl rrd,rs(rx) orb rbd,imm8
-ld rd,imm16 ldm @@rd,rs,n orb rbd,rbs
-ld rd,rs ldm addr(rd),rs,n out @@rd,rs
-ld rd,rs(imm16) ldm addr,rs,n out imm16,rs
-ld rd,rs(rx) ldm rd,@@rs,n outb @@rd,rbs
-lda rd,addr ldm rd,addr(rs),n outb imm16,rbs
-lda rd,addr(rs) ldm rd,addr,n outd @@rd,@@rs,ra
-lda rd,rs(imm16) ldps @@rs outdb @@rd,@@rs,rba
-lda rd,rs(rx) ldps addr outib @@rd,@@rs,ra
-ldar rd,disp16 ldps addr(rs) outibr @@rd,@@rs,ra
-ldb @@rd,imm8 ldr disp16,rs pop @@rd,@@rs
-ldb @@rd,rbs ldr rd,disp16 pop addr(rd),@@rs
-ldb addr(rd),imm8 ldrb disp16,rbs pop addr,@@rs
-ldb addr(rd),rbs ldrb rbd,disp16 pop rd,@@rs
-ldb addr,imm8 ldrl disp16,rrs popl @@rd,@@rs
-ldb addr,rbs ldrl rrd,disp16 popl addr(rd),@@rs
-ldb rbd,@@rs mbit popl addr,@@rs
-ldb rbd,addr mreq rd popl rrd,@@rs
-ldb rbd,addr(rs) mres push @@rd,@@rs
-ldb rbd,imm8 mset push @@rd,addr
-ldb rbd,rbs mult rrd,@@rs push @@rd,addr(rs)
-ldb rbd,rs(imm16) mult rrd,addr push @@rd,imm16
-push @@rd,rs set addr,imm4 subl rrd,imm32
-pushl @@rd,@@rs set rd,imm4 subl rrd,rrs
-pushl @@rd,addr set rd,rs tcc cc,rd
-pushl @@rd,addr(rs) setb @@rd,imm4 tccb cc,rbd
-pushl @@rd,rrs setb addr(rd),imm4 test @@rd
-res @@rd,imm4 setb addr,imm4 test addr
-res addr(rd),imm4 setb rbd,imm4 test addr(rd)
-res addr,imm4 setb rbd,rs test rd
-res rd,imm4 setflg imm4 testb @@rd
-res rd,rs sinb rbd,imm16 testb addr
-resb @@rd,imm4 sinb rd,imm16 testb addr(rd)
-resb addr(rd),imm4 sind @@rd,@@rs,ra testb rbd
-resb addr,imm4 sindb @@rd,@@rs,rba testl @@rd
-resb rbd,imm4 sinib @@rd,@@rs,ra testl addr
-resb rbd,rs sinibr @@rd,@@rs,ra testl addr(rd)
-resflg imm4 sla rd,imm8 testl rrd
-ret cc slab rbd,imm8 trdb @@rd,@@rs,rba
-rl rd,imm1or2 slal rrd,imm8 trdrb @@rd,@@rs,rba
-rlb rbd,imm1or2 sll rd,imm8 trib @@rd,@@rs,rbr
-rlc rd,imm1or2 sllb rbd,imm8 trirb @@rd,@@rs,rbr
-rlcb rbd,imm1or2 slll rrd,imm8 trtdrb @@ra,@@rb,rbr
-rldb rbb,rba sout imm16,rs trtib @@ra,@@rb,rr
-rr rd,imm1or2 soutb imm16,rbs trtirb @@ra,@@rb,rbr
-rrb rbd,imm1or2 soutd @@rd,@@rs,ra trtrb @@ra,@@rb,rbr
-rrc rd,imm1or2 soutdb @@rd,@@rs,rba tset @@rd
-rrcb rbd,imm1or2 soutib @@rd,@@rs,ra tset addr
-rrdb rbb,rba soutibr @@rd,@@rs,ra tset addr(rd)
-rsvd36 sra rd,imm8 tset rd
-rsvd38 srab rbd,imm8 tsetb @@rd
-rsvd78 sral rrd,imm8 tsetb addr
-rsvd7e srl rd,imm8 tsetb addr(rd)
-rsvd9d srlb rbd,imm8 tsetb rbd
-rsvd9f srll rrd,imm8 xor rd,@@rs
-rsvdb9 sub rd,@@rs xor rd,addr
-rsvdbf sub rd,addr xor rd,addr(rs)
-sbc rd,rs sub rd,addr(rs) xor rd,imm16
-sbcb rbd,rbs sub rd,imm16 xor rd,rs
-sc imm8 sub rd,rs xorb rbd,@@rs
-sda rd,rs subb rbd,@@rs xorb rbd,addr
-sdab rbd,rs subb rbd,addr xorb rbd,addr(rs)
-sdal rrd,rs subb rbd,addr(rs) xorb rbd,imm8
-sdl rd,rs subb rbd,imm8 xorb rbd,rbs
-sdlb rbd,rs subb rbd,rbs xorb rbd,rbs
-sdll rrd,rs subl rrd,@@rs
-set @@rd,imm4 subl rrd,addr
-set addr(rd),imm4 subl rrd,addr(rs)
-@end smallexample
-@iftex
-@endgroup
-@end iftex
-@end ifset
-