# | Line 143 | Line 143 | register int x; | |
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143 | int s; | |
144 | { | |
145 | static int cerr[NCOLS][3]; | |
146 | < | static int err[3], errp[3]; |
147 | < | int b; |
146 | > | static int err[3]; |
147 | > | int b, errp; |
148 | register int a, ison; | |
149 | ||
150 | a = sub_add(s); /* use additive primary */ | |
151 | b = col[a]; | |
152 | < | errp[a] = err[a]; |
152 | > | errp = err[a]; |
153 | err[a] += b + cerr[x][a]; | |
154 | ison = err[a] < 128; | |
155 | if (!ison) err[a] -= 256; | |
156 | err[a] /= 3; | |
157 | < | cerr[x][a] = err[a] + errp[a]; |
157 | > | cerr[x][a] = err[a] + errp; |
158 | return(ison); | |
159 | } |
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