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@@ -86,12 +86,12 @@ assign IS_SAVERAM = SAVERAM_MASK[0]
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& &SNES_ADDR[14:13]
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& !SNES_ADDR[15]
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)
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-/* LoROM: SRAM @ Bank 0x70-0x7d, 0xf0-0xfd Offset 0000-7fff
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- TODO: 0000-ffff for small ROMs? */
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+/* LoROM: SRAM @ Bank 0x70-0x7d, 0xf0-0xfd
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+ * Offset 0000-7fff for ROM >= 32 MBit, otherwise 0000-ffff */
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:(MAPPER == 3'b001)
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? (&SNES_ADDR[22:20]
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& (SNES_ADDR[19:16] < 4'b1110)
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- & !SNES_ADDR[15]
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+ & (~SNES_ADDR[15] | ~ROM_MASK[21])
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)
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/* BS-X: SRAM @ Bank 0x10-0x17 Offset 5000-5fff */
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:(MAPPER == 3'b011)
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