63 lines
3.0 KiB
C
63 lines
3.0 KiB
C
#include "erase.h"
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int erase_nes( USBtransfer *transfer )
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{
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debug("erasing");
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//dict opcode addr data
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dictionary_call( transfer, IO, IO_RESET, 0, 0);
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dictionary_call( transfer, IO, NES_INIT, 0, 0);
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//software mode
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dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x5555, 0xAA);
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dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x2AAA, 0x55);
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dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x5555, 0x90);
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dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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dictionary_call( transfer, NES, NES_CPU_RD, 0x8001, 0);
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dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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dictionary_call( transfer, NES, NES_CPU_RD, 0x8001, 0);
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//exit software
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dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x8000, 0xF0);
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dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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dictionary_call( transfer, NES, NES_CPU_RD, 0x8001, 0);
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//erase
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x5555, 0xAA);
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x2AAA, 0x55);
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x5555, 0x80);
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x5555, 0xAA);
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x2AAA, 0x55);
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x5555, 0x10);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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//program byte
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x5555, 0xAA);
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x2AAA, 0x55);
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x5555, 0xA0);
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// dictionary_call( transfer, NES, DISCRETE_EXP0_PRGROM_WR, 0x8000, 0x00);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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// dictionary_call( transfer, NES, NES_CPU_RD, 0x8000, 0);
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return 0;
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}
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