116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
/* Copyright holders: Sarah Walker
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see COPYING for more details
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*/
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static int opIN_AL_imm(uint32_t fetchdat)
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{
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uint16_t port = (uint16_t)getbytef();
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check_io_perm(port);
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AL = inb(port);
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CLOCK_CYCLES(12);
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return 0;
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}
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static int opIN_AX_imm(uint32_t fetchdat)
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{
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uint16_t port = (uint16_t)getbytef();
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check_io_perm(port);
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check_io_perm(port + 1);
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AX = inw(port);
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CLOCK_CYCLES(12);
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return 0;
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}
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static int opIN_EAX_imm(uint32_t fetchdat)
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{
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uint16_t port = (uint16_t)getbytef();
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check_io_perm(port);
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check_io_perm(port + 1);
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check_io_perm(port + 2);
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check_io_perm(port + 3);
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EAX = inl(port);
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CLOCK_CYCLES(12);
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return 0;
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}
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static int opOUT_AL_imm(uint32_t fetchdat)
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{
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uint16_t port = (uint16_t)getbytef();
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check_io_perm(port);
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outb(port, AL);
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CLOCK_CYCLES(10);
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if (port == 0x64)
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return x86_was_reset;
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return 0;
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}
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static int opOUT_AX_imm(uint32_t fetchdat)
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{
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uint16_t port = (uint16_t)getbytef();
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check_io_perm(port);
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check_io_perm(port + 1);
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outw(port, AX);
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CLOCK_CYCLES(10);
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return 0;
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}
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static int opOUT_EAX_imm(uint32_t fetchdat)
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{
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uint16_t port = (uint16_t)getbytef();
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check_io_perm(port);
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check_io_perm(port + 1);
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check_io_perm(port + 2);
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check_io_perm(port + 3);
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outl(port, EAX);
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CLOCK_CYCLES(10);
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return 0;
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}
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static int opIN_AL_DX(uint32_t fetchdat)
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{
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check_io_perm(DX);
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AL = inb(DX);
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CLOCK_CYCLES(12);
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return 0;
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}
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static int opIN_AX_DX(uint32_t fetchdat)
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{
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check_io_perm(DX);
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check_io_perm(DX + 1);
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AX = inw(DX);
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CLOCK_CYCLES(12);
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return 0;
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}
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static int opIN_EAX_DX(uint32_t fetchdat)
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{
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check_io_perm(DX);
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check_io_perm(DX + 1);
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check_io_perm(DX + 2);
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check_io_perm(DX + 3);
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EAX = inl(DX);
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CLOCK_CYCLES(12);
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return 0;
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}
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static int opOUT_AL_DX(uint32_t fetchdat)
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{
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check_io_perm(DX);
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outb(DX, AL);
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CLOCK_CYCLES(11);
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return x86_was_reset;
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}
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static int opOUT_AX_DX(uint32_t fetchdat)
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{
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//pclog("OUT_AX_DX %04X %04X\n", DX, AX);
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check_io_perm(DX);
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check_io_perm(DX + 1);
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outw(DX, AX);
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CLOCK_CYCLES(11);
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return 0;
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}
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static int opOUT_EAX_DX(uint32_t fetchdat)
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{
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check_io_perm(DX);
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check_io_perm(DX + 1);
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check_io_perm(DX + 2);
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check_io_perm(DX + 3);
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outl(DX, EAX);
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CLOCK_CYCLES(11);
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return 0;
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}
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