# | Line 113 | Line 113 | register int x; | |
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113 | register int a; | |
114 | { | |
115 | static int cerr[NCOLS][3]; | |
116 | < | static int err[3], errp[3]; |
117 | < | int b; |
116 | > | static int err[3]; |
117 | > | int b, errp; |
118 | register int ison; | |
119 | ||
120 | b = col[a]; | |
121 | < | errp[a] = err[a]; |
121 | > | errp = err[a]; |
122 | err[a] += b + cerr[x][a]; | |
123 | ison = err[a] > 128; | |
124 | if (ison) err[a] -= 256; | |
125 | err[a] /= 3; | |
126 | < | cerr[x][a] = err[a] + errp[a]; |
126 | > | cerr[x][a] = err[a] + errp; |
127 | return(ison); | |
128 | } |
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