72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
// gloabl start_address
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// global end_address
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// gloabl len
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void comando_write() {
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// send command byte
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send_byte_to_MCU(CMD_WRITE);
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if(TIMEOUT) return;
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// send filename
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send_string_to_MCU(filename);
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if(TIMEOUT) return;
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// get first response
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byte response = receive_byte_from_MCU();
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if(TIMEOUT) return;
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if(response == ERR_RESPONSE) {
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// error with file, print message
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print_string_response();
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return;
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}
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// send file size
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//tmpword = (word) end_address - (word) start_address + 1; // KickC bug: (word) cast is needed
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asm {
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sec
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lda end_address
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sbc start_address
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sta tmpword
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lda end_address+1
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sbc start_address+1
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sta tmpword+1
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}
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tmpword++;
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send_word_to_mcu();
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if(TIMEOUT) return;
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// send actual bytes
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token_ptr = (byte *) start_address;
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for(word t=0;t<tmpword;t++) {
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send_byte_to_MCU(*token_ptr++);
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if(TIMEOUT) return;
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#ifdef LOADING_DOTS
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if(((byte)t) == 0) woz_putc('.');
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#endif
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}
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// get second response
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response = receive_byte_from_MCU();
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if(TIMEOUT) return;
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if(response == ERR_RESPONSE) {
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// error with file, print message
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print_string_response();
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return;
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}
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// print feedback to user
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woz_putc('\r');
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woz_puts(filename);
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woz_puts(":\r$");
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woz_print_hexword(start_address);
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woz_puts("-$");
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woz_print_hexword(end_address);
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woz_puts(" (");
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utoa(tmpword, filename, 10); // use filename as string buffer
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woz_puts(filename);
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woz_puts(" BYTES)\rOK");
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}
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