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tree revision 970:44d62d0850c8
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filename src/sh4/sh4core.in
changeset 970:44d62d0850c8
prev953:f4a156508ad1
next974:16b079ed11bb
author nkeynes
date Thu Jan 22 00:50:09 2009 +0000 (15 years ago)
permissions -rw-r--r--
last change Fix Post-increment mov instructions - per the manual, increment doesn't happen if the
source and target registers are the same.
file annotate diff log raw 
     1.1 --- a/src/sh4/sh4core.in	Tue Jan 13 11:56:28 2009 +0000

     1.2 +++ b/src/sh4/sh4core.in	Thu Jan 22 00:50:09 2009 +0000

     1.3 @@ -335,9 +335,9 @@

     1.4  MOV.B Rm, @-Rn {: sh4r.r[Rn]--; :}

     1.5  MOV.W Rm, @-Rn {: sh4r.r[Rn] -= 2; :}

     1.6  MOV.L Rm, @-Rn {: sh4r.r[Rn] -= 4; :}

     1.7 -MOV.B @Rm+, Rn {: sh4r.r[Rm] ++; :}

     1.8 -MOV.W @Rm+, Rn {: sh4r.r[Rm] += 2; :}

     1.9 -MOV.L @Rm+, Rn {: sh4r.r[Rm] += 4; :}

    1.10 +MOV.B @Rm+, Rn {: if( Rm != Rn ) { sh4r.r[Rm] ++;  } :}

    1.11 +MOV.W @Rm+, Rn {: if( Rm != Rn ) { sh4r.r[Rm] += 2; } :}

    1.12 +MOV.L @Rm+, Rn {: if( Rm != Rn ) { sh4r.r[Rm] += 4; } :}

    1.13  %%

    1.14      sh4r.pc += 2;

    1.15      sh4r.new_pc = sh4r.pc+2;

    1.16 @@ -538,9 +538,9 @@

    1.17   MOV.W @Rm, Rn {: CHECKRALIGN16( sh4r.r[Rm] ); MEM_READ_WORD( sh4r.r[Rm], sh4r.r[Rn] ); :}

    1.18   MOV.L @Rm, Rn {: CHECKRALIGN32( sh4r.r[Rm] ); MEM_READ_LONG( sh4r.r[Rm], sh4r.r[Rn] ); :}

    1.19  MOV Rm, Rn {: sh4r.r[Rn] = sh4r.r[Rm]; :}

    1.20 - MOV.B @Rm+, Rn {: MEM_READ_BYTE( sh4r.r[Rm], sh4r.r[Rn] ); sh4r.r[Rm] ++; :}

    1.21 - MOV.W @Rm+, Rn {: CHECKRALIGN16( sh4r.r[Rm] ); MEM_READ_WORD( sh4r.r[Rm], sh4r.r[Rn] ); sh4r.r[Rm] += 2; :}

    1.22 - MOV.L @Rm+, Rn {: CHECKRALIGN32( sh4r.r[Rm] ); MEM_READ_LONG( sh4r.r[Rm], sh4r.r[Rn] ); sh4r.r[Rm] += 4; :}

    1.23 + MOV.B @Rm+, Rn {: MEM_READ_BYTE( sh4r.r[Rm], sh4r.r[Rn] ); if( Rm != Rn ) { sh4r.r[Rm] ++; } :}

    1.24 + MOV.W @Rm+, Rn {: CHECKRALIGN16( sh4r.r[Rm] ); MEM_READ_WORD( sh4r.r[Rm], sh4r.r[Rn] ); if( Rm != Rn ) { sh4r.r[Rm] += 2; } :}

    1.25 + MOV.L @Rm+, Rn {: CHECKRALIGN32( sh4r.r[Rm] ); MEM_READ_LONG( sh4r.r[Rm], sh4r.r[Rn] ); if( Rm != Rn ) { sh4r.r[Rm] += 4; } :}

    1.26  MOV.L @(disp, PC), Rn {:

    1.27      CHECKSLOTILLEGAL();

    1.28      tmp = (pc&0xFFFFFFFC) + disp + 4;
.