76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
#define APPLE1_USE_WOZ_MONITOR 1
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#define INPUT_LINE_PROMPT_CHAR '?'
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#include <string.h>
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#include <utils.h>
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#include <apple1.h>
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#include <stdlib.h>
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byte *const KEYBUF = (byte *) 0x0200; // use the same keyboard buffer as in WOZ monitor
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byte *start_address;
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byte *end_address;
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unsigned int hex_to_word(byte *str) {
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unsigned int tmpword=0;
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byte hex_to_word_ok = 1;
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byte c;
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byte i;
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for(i=0; c=str[i]; ++i) {
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tmpword = tmpword << 4;
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if(c>='0' && c<='9') tmpword += (c-'0');
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else if(c>='A' && c<='F') tmpword += (c-65)+0x0A;
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else hex_to_word_ok = 0;
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}
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if(i>4 || i==0) hex_to_word_ok = 0;
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return tmpword;
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}
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void main() {
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woz_puts("\r\r*** RAM FILL TEST ***\r");
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woz_puts("\rSTART ADDRESS "); apple1_input_line_prompt(KEYBUF, 4); start_address = (byte *) hex_to_word(KEYBUF);
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woz_puts("\rEND ADDRESS "); apple1_input_line_prompt(KEYBUF, 4); end_address = (byte *) hex_to_word(KEYBUF);
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woz_puts("\r\r");
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while(1) {
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// fill with normal data
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rand_state = 1;
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for(byte *t=start_address;;t++) {
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byte r = (byte) (rand() & 0xFF);
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*t = r;
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if(t==end_address) break;
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}
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// verify normal data
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rand_state = 1;
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for(byte *t=start_address;;t++) {
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byte r = (byte) (rand() & 0xFF);
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if(*t != r) { woz_print_hexword((unsigned int )t); woz_putc(' '); }
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if(t==end_address) break;
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}
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// fill with inverted data
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rand_state = 1;
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for(byte *t=start_address;;t++) {
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byte r = (byte) (rand() & 0xFF);
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*t = ~r;
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if(t==end_address) break;
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}
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// verify inverted data
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rand_state = 1;
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for(byte *t=start_address;;t++) {
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byte r = (byte) (rand() & 0xFF);
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if(*t != ~r) { woz_print_hexword((unsigned int )t); woz_putc(' '); }
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if(t==end_address) break;
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}
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woz_putc('.');
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}
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}
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