851 lines
16 KiB
C
851 lines
16 KiB
C
static int
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opPADDB_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->b[0] += src.b[0];
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dst->b[1] += src.b[1];
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dst->b[2] += src.b[2];
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dst->b[3] += src.b[3];
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dst->b[4] += src.b[4];
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dst->b[5] += src.b[5];
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dst->b[6] += src.b[6];
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dst->b[7] += src.b[7];
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDB_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->b[0] += src.b[0];
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dst->b[1] += src.b[1];
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dst->b[2] += src.b[2];
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dst->b[3] += src.b[3];
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dst->b[4] += src.b[4];
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dst->b[5] += src.b[5];
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dst->b[6] += src.b[6];
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dst->b[7] += src.b[7];
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDW_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->w[0] += src.w[0];
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dst->w[1] += src.w[1];
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dst->w[2] += src.w[2];
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dst->w[3] += src.w[3];
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDW_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->w[0] += src.w[0];
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dst->w[1] += src.w[1];
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dst->w[2] += src.w[2];
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dst->w[3] += src.w[3];
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDD_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->l[0] += src.l[0];
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dst->l[1] += src.l[1];
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDD_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->l[0] += src.l[0];
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dst->l[1] += src.l[1];
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDSB_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->sb[0] = SSATB(dst->sb[0] + src.sb[0]);
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dst->sb[1] = SSATB(dst->sb[1] + src.sb[1]);
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dst->sb[2] = SSATB(dst->sb[2] + src.sb[2]);
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dst->sb[3] = SSATB(dst->sb[3] + src.sb[3]);
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dst->sb[4] = SSATB(dst->sb[4] + src.sb[4]);
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dst->sb[5] = SSATB(dst->sb[5] + src.sb[5]);
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dst->sb[6] = SSATB(dst->sb[6] + src.sb[6]);
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dst->sb[7] = SSATB(dst->sb[7] + src.sb[7]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDSB_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->sb[0] = SSATB(dst->sb[0] + src.sb[0]);
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dst->sb[1] = SSATB(dst->sb[1] + src.sb[1]);
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dst->sb[2] = SSATB(dst->sb[2] + src.sb[2]);
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dst->sb[3] = SSATB(dst->sb[3] + src.sb[3]);
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dst->sb[4] = SSATB(dst->sb[4] + src.sb[4]);
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dst->sb[5] = SSATB(dst->sb[5] + src.sb[5]);
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dst->sb[6] = SSATB(dst->sb[6] + src.sb[6]);
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dst->sb[7] = SSATB(dst->sb[7] + src.sb[7]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDUSB_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->b[0] = USATB(dst->b[0] + src.b[0]);
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dst->b[1] = USATB(dst->b[1] + src.b[1]);
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dst->b[2] = USATB(dst->b[2] + src.b[2]);
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dst->b[3] = USATB(dst->b[3] + src.b[3]);
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dst->b[4] = USATB(dst->b[4] + src.b[4]);
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dst->b[5] = USATB(dst->b[5] + src.b[5]);
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dst->b[6] = USATB(dst->b[6] + src.b[6]);
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dst->b[7] = USATB(dst->b[7] + src.b[7]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDUSB_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->b[0] = USATB(dst->b[0] + src.b[0]);
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dst->b[1] = USATB(dst->b[1] + src.b[1]);
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dst->b[2] = USATB(dst->b[2] + src.b[2]);
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dst->b[3] = USATB(dst->b[3] + src.b[3]);
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dst->b[4] = USATB(dst->b[4] + src.b[4]);
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dst->b[5] = USATB(dst->b[5] + src.b[5]);
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dst->b[6] = USATB(dst->b[6] + src.b[6]);
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dst->b[7] = USATB(dst->b[7] + src.b[7]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDSW_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->sw[0] = SSATW(dst->sw[0] + src.sw[0]);
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dst->sw[1] = SSATW(dst->sw[1] + src.sw[1]);
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dst->sw[2] = SSATW(dst->sw[2] + src.sw[2]);
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dst->sw[3] = SSATW(dst->sw[3] + src.sw[3]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDSW_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->sw[0] = SSATW(dst->sw[0] + src.sw[0]);
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dst->sw[1] = SSATW(dst->sw[1] + src.sw[1]);
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dst->sw[2] = SSATW(dst->sw[2] + src.sw[2]);
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dst->sw[3] = SSATW(dst->sw[3] + src.sw[3]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDUSW_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->w[0] = USATW(dst->w[0] + src.w[0]);
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dst->w[1] = USATW(dst->w[1] + src.w[1]);
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dst->w[2] = USATW(dst->w[2] + src.w[2]);
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dst->w[3] = USATW(dst->w[3] + src.w[3]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPADDUSW_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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dst->w[0] = USATW(dst->w[0] + src.w[0]);
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dst->w[1] = USATW(dst->w[1] + src.w[1]);
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dst->w[2] = USATW(dst->w[2] + src.w[2]);
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dst->w[3] = USATW(dst->w[3] + src.w[3]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPMADDWD_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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if (dst->l[0] == 0x80008000 && src.l[0] == 0x80008000)
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dst->l[0] = 0x80000000;
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else
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dst->sl[0] = ((int32_t) dst->sw[0] * (int32_t) src.sw[0]) + ((int32_t) dst->sw[1] * (int32_t) src.sw[1]);
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if (dst->l[1] == 0x80008000 && src.l[1] == 0x80008000)
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dst->l[1] = 0x80000000;
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else
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dst->sl[1] = ((int32_t) dst->sw[2] * (int32_t) src.sw[2]) + ((int32_t) dst->sw[3] * (int32_t) src.sw[3]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPMADDWD_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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MMX_GETSRC();
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if (dst->l[0] == 0x80008000 && src.l[0] == 0x80008000)
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dst->l[0] = 0x80000000;
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else
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dst->sl[0] = ((int32_t) dst->sw[0] * (int32_t) src.sw[0]) + ((int32_t) dst->sw[1] * (int32_t) src.sw[1]);
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if (dst->l[1] == 0x80008000 && src.l[1] == 0x80008000)
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dst->l[1] = 0x80000000;
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else
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dst->sl[1] = ((int32_t) dst->sw[2] * (int32_t) src.sw[2]) + ((int32_t) dst->sw[3] * (int32_t) src.sw[3]);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPMULLW_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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if (cpu_mod == 3)
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src = MMX_GETREG(cpu_rm);
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else {
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SEG_CHECK_READ(cpu_state.ea_seg);
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src.l[0] = readmeml(easeg, cpu_state.eaaddr);
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src.l[1] = readmeml(easeg, cpu_state.eaaddr + 4);
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if (cpu_state.abrt)
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return 0;
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CLOCK_CYCLES(1);
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}
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dst->w[0] *= src.w[0];
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dst->w[1] *= src.w[1];
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dst->w[2] *= src.w[2];
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dst->w[3] *= src.w[3];
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CLOCK_CYCLES(1);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPMULLW_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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if (cpu_mod == 3)
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src = MMX_GETREG(cpu_rm);
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else {
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SEG_CHECK_READ(cpu_state.ea_seg);
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src.l[0] = readmeml(easeg, cpu_state.eaaddr);
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src.l[1] = readmeml(easeg, cpu_state.eaaddr + 4);
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if (cpu_state.abrt)
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return 0;
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CLOCK_CYCLES(1);
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}
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dst->w[0] *= src.w[0];
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dst->w[1] *= src.w[1];
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dst->w[2] *= src.w[2];
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dst->w[3] *= src.w[3];
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CLOCK_CYCLES(1);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPMULHW_a16(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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if (cpu_mod == 3)
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src = MMX_GETREG(cpu_rm);
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else {
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SEG_CHECK_READ(cpu_state.ea_seg);
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src.l[0] = readmeml(easeg, cpu_state.eaaddr);
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src.l[1] = readmeml(easeg, cpu_state.eaaddr + 4);
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if (cpu_state.abrt)
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return 0;
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CLOCK_CYCLES(1);
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}
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dst->w[0] = ((int32_t) dst->sw[0] * (int32_t) src.sw[0]) >> 16;
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dst->w[1] = ((int32_t) dst->sw[1] * (int32_t) src.sw[1]) >> 16;
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dst->w[2] = ((int32_t) dst->sw[2] * (int32_t) src.sw[2]) >> 16;
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dst->w[3] = ((int32_t) dst->sw[3] * (int32_t) src.sw[3]) >> 16;
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CLOCK_CYCLES(1);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPMULHW_a32(uint32_t fetchdat)
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{
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MMX_REG src;
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MMX_REG *dst;
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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dst = MMX_GETREGP(cpu_reg);
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if (cpu_mod == 3)
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src = MMX_GETREG(cpu_rm);
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else {
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SEG_CHECK_READ(cpu_state.ea_seg);
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src.l[0] = readmeml(easeg, cpu_state.eaaddr);
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src.l[1] = readmeml(easeg, cpu_state.eaaddr + 4);
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if (cpu_state.abrt)
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return 0;
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CLOCK_CYCLES(1);
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}
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dst->w[0] = ((int32_t) dst->sw[0] * (int32_t) src.sw[0]) >> 16;
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dst->w[1] = ((int32_t) dst->sw[1] * (int32_t) src.sw[1]) >> 16;
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dst->w[2] = ((int32_t) dst->sw[2] * (int32_t) src.sw[2]) >> 16;
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dst->w[3] = ((int32_t) dst->sw[3] * (int32_t) src.sw[3]) >> 16;
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CLOCK_CYCLES(1);
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MMX_SETEXP(cpu_reg);
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return 0;
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}
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static int
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opPSUBB_a16(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_16(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->b[0] -= src.b[0];
|
|
dst->b[1] -= src.b[1];
|
|
dst->b[2] -= src.b[2];
|
|
dst->b[3] -= src.b[3];
|
|
dst->b[4] -= src.b[4];
|
|
dst->b[5] -= src.b[5];
|
|
dst->b[6] -= src.b[6];
|
|
dst->b[7] -= src.b[7];
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
static int
|
|
opPSUBB_a32(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_32(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->b[0] -= src.b[0];
|
|
dst->b[1] -= src.b[1];
|
|
dst->b[2] -= src.b[2];
|
|
dst->b[3] -= src.b[3];
|
|
dst->b[4] -= src.b[4];
|
|
dst->b[5] -= src.b[5];
|
|
dst->b[6] -= src.b[6];
|
|
dst->b[7] -= src.b[7];
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
opPSUBW_a16(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_16(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->w[0] -= src.w[0];
|
|
dst->w[1] -= src.w[1];
|
|
dst->w[2] -= src.w[2];
|
|
dst->w[3] -= src.w[3];
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
static int
|
|
opPSUBW_a32(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_32(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->w[0] -= src.w[0];
|
|
dst->w[1] -= src.w[1];
|
|
dst->w[2] -= src.w[2];
|
|
dst->w[3] -= src.w[3];
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
opPSUBD_a16(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_16(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->l[0] -= src.l[0];
|
|
dst->l[1] -= src.l[1];
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
static int
|
|
opPSUBD_a32(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_32(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->l[0] -= src.l[0];
|
|
dst->l[1] -= src.l[1];
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
opPSUBSB_a16(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_16(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->sb[0] = SSATB(dst->sb[0] - src.sb[0]);
|
|
dst->sb[1] = SSATB(dst->sb[1] - src.sb[1]);
|
|
dst->sb[2] = SSATB(dst->sb[2] - src.sb[2]);
|
|
dst->sb[3] = SSATB(dst->sb[3] - src.sb[3]);
|
|
dst->sb[4] = SSATB(dst->sb[4] - src.sb[4]);
|
|
dst->sb[5] = SSATB(dst->sb[5] - src.sb[5]);
|
|
dst->sb[6] = SSATB(dst->sb[6] - src.sb[6]);
|
|
dst->sb[7] = SSATB(dst->sb[7] - src.sb[7]);
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
static int
|
|
opPSUBSB_a32(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_32(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->sb[0] = SSATB(dst->sb[0] - src.sb[0]);
|
|
dst->sb[1] = SSATB(dst->sb[1] - src.sb[1]);
|
|
dst->sb[2] = SSATB(dst->sb[2] - src.sb[2]);
|
|
dst->sb[3] = SSATB(dst->sb[3] - src.sb[3]);
|
|
dst->sb[4] = SSATB(dst->sb[4] - src.sb[4]);
|
|
dst->sb[5] = SSATB(dst->sb[5] - src.sb[5]);
|
|
dst->sb[6] = SSATB(dst->sb[6] - src.sb[6]);
|
|
dst->sb[7] = SSATB(dst->sb[7] - src.sb[7]);
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
opPSUBUSB_a16(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_16(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->b[0] = USATB(dst->b[0] - src.b[0]);
|
|
dst->b[1] = USATB(dst->b[1] - src.b[1]);
|
|
dst->b[2] = USATB(dst->b[2] - src.b[2]);
|
|
dst->b[3] = USATB(dst->b[3] - src.b[3]);
|
|
dst->b[4] = USATB(dst->b[4] - src.b[4]);
|
|
dst->b[5] = USATB(dst->b[5] - src.b[5]);
|
|
dst->b[6] = USATB(dst->b[6] - src.b[6]);
|
|
dst->b[7] = USATB(dst->b[7] - src.b[7]);
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
static int
|
|
opPSUBUSB_a32(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_32(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->b[0] = USATB(dst->b[0] - src.b[0]);
|
|
dst->b[1] = USATB(dst->b[1] - src.b[1]);
|
|
dst->b[2] = USATB(dst->b[2] - src.b[2]);
|
|
dst->b[3] = USATB(dst->b[3] - src.b[3]);
|
|
dst->b[4] = USATB(dst->b[4] - src.b[4]);
|
|
dst->b[5] = USATB(dst->b[5] - src.b[5]);
|
|
dst->b[6] = USATB(dst->b[6] - src.b[6]);
|
|
dst->b[7] = USATB(dst->b[7] - src.b[7]);
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
opPSUBSW_a16(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_16(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->sw[0] = SSATW(dst->sw[0] - src.sw[0]);
|
|
dst->sw[1] = SSATW(dst->sw[1] - src.sw[1]);
|
|
dst->sw[2] = SSATW(dst->sw[2] - src.sw[2]);
|
|
dst->sw[3] = SSATW(dst->sw[3] - src.sw[3]);
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
static int
|
|
opPSUBSW_a32(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_32(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->sw[0] = SSATW(dst->sw[0] - src.sw[0]);
|
|
dst->sw[1] = SSATW(dst->sw[1] - src.sw[1]);
|
|
dst->sw[2] = SSATW(dst->sw[2] - src.sw[2]);
|
|
dst->sw[3] = SSATW(dst->sw[3] - src.sw[3]);
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
opPSUBUSW_a16(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_16(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->w[0] = USATW(dst->w[0] - src.w[0]);
|
|
dst->w[1] = USATW(dst->w[1] - src.w[1]);
|
|
dst->w[2] = USATW(dst->w[2] - src.w[2]);
|
|
dst->w[3] = USATW(dst->w[3] - src.w[3]);
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|
|
static int
|
|
opPSUBUSW_a32(uint32_t fetchdat)
|
|
{
|
|
MMX_REG src;
|
|
MMX_REG *dst;
|
|
MMX_ENTER();
|
|
|
|
fetch_ea_32(fetchdat);
|
|
|
|
dst = MMX_GETREGP(cpu_reg);
|
|
|
|
MMX_GETSRC();
|
|
|
|
dst->w[0] = USATW(dst->w[0] - src.w[0]);
|
|
dst->w[1] = USATW(dst->w[1] - src.w[1]);
|
|
dst->w[2] = USATW(dst->w[2] - src.w[2]);
|
|
dst->w[3] = USATW(dst->w[3] - src.w[3]);
|
|
|
|
MMX_SETEXP(cpu_reg);
|
|
|
|
return 0;
|
|
}
|