58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/*******************************************************************************
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* NewOswan
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* color_system.c: IO specific to the WonderSwan Color systems.
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*
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* Created by Manoël Trapier on 19/12/2021.
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* Copyright (c) 2014-2022 986-Studio. All rights reserved.
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*
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******************************************************************************/
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#if 0
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Shall we split color and crystal, there are some subtles differences on some registers
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READ
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case 0x62:
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switch (ws_get_system())
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{
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case WS_SYSTEM_AUTODETECT:
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case WS_SYSTEM_MONO:
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case WS_SYSTEM_COLOR:
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retVal = 0x00;
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break;
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case WS_SYSTEM_CRYSTAL:
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retVal = 0x80;
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break;
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}
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break;
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WRITE
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if ((port == 0xA0) && (ws_ioRam[port] & 0x01) && (~value & 0x01))
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{
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value |= 0x01;
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}
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case 0xA0:
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/* Force cart handshake to be set */
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ws_ioRam[port] |= 0x80;
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if (value & 0x01)
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{
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Log(TLOG_WARNING, "A0", "Oh yeah %02X BABY", value);
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#ifdef USE_PAGED_MEMORY_ACCESS
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uint32_t romSize;
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uint8_t *rom = getRom(&romSize);
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set_memory_bank(0xF, ws_get_page_ptr(rom, romSize, (ws_ioRam[0xC0] & 0x0F << 4) + 0x0F));
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#endif
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}
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break;
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#endif
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