73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
static int op_CS(uint32_t fetchdat)
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{
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oldss = ss;
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oldds = ds;
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ds = ss = cs;
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rds = CS;
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ssegs = 2;
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cycles -= 4;
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return 1;
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}
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static int op_DS(uint32_t fetchdat)
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{
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oldss = ss;
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oldds = ds;
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ds = ss = ds;
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ssegs = 2;
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cycles -= 4;
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return 1;
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}
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static int op_ES(uint32_t fetchdat)
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{
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oldss = ss;
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oldds = ds;
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ds = ss = es;
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rds = ES;
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ssegs = 2;
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cycles -= 4;
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return 1;
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}
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static int op_FS(uint32_t fetchdat)
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{
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oldss = ss;
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oldds = ds;
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rds = FS;
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ds = ss = fs;
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ssegs = 2;
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cycles -= 4;
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return 1;
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}
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static int op_GS(uint32_t fetchdat)
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{
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oldss = ss;
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oldds = ds;
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rds = GS;
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ds = ss = gs;
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ssegs = 2;
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cycles -= 4;
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return 1;
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}
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static int op_SS(uint32_t fetchdat)
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{
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oldss = ss;
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oldds = ds;
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ds = ss = ss;
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rds = SS;
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ssegs = 2;
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cycles -= 4;
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return 1;
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}
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static int op_66(uint32_t fetchdat) /*Data size select*/
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{
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op32 = ((use32 & 0x100) ^ 0x100) | (op32 & 0x200);
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cycles -= 2;
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return 1;
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}
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static int op_67(uint32_t fetchdat) /*Address size select*/
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{
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op32 = ((use32 & 0x200) ^ 0x200) | (op32 & 0x100);
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cycles -= 2;
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return 1;
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}
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