39 lines
845 B
C
39 lines
845 B
C
/* Generates "hashes" from ASCII strings to be used in BUZBEE */
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#include <stdint.h>
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#include <stdio.h>
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const int CCH_CMD = 4;
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int mkhash(const char pszCmd[]);
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int main(void) {
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/* Add your commands here to be hashed. Imprtant that they all be CCH_CMD
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* chars long EXCLUDING the NUL terminator. */
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char *ppszCmds[] = {
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"CALL",
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"EXEC",
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"HELP",
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"PEEK",
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"POKE",
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"SREC",
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/* "BOOT", */
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};
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for (int iCmd = 0; iCmd < (sizeof(ppszCmds) / sizeof(char *)); iCmd++)
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printf("BBC%s\n fcb $%.2X\n", ppszCmds[iCmd], mkhash(ppszCmds[iCmd]));
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return 0;
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}
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int mkhash(const char pszCmd[]) {
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uint8_t nhash = 0;
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/* NOTE: Very important that condition is the length of the string MINUS the
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* NUL terminator, in this case iChar < 4 */
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for (int iChar = 0; iChar < CCH_CMD; iChar++)
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nhash = nhash - pszCmd[iChar];
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return nhash;
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}
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