2023-02-02 21:40:39 -06:00
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#pragma once
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2023-02-02 14:52:26 -06:00
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#include <stdint.h>
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extern void v86Test();
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extern void v86TransFlag();
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extern void v86GfxMode();
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extern void v86TextMode();
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extern void v86DiskRead();
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extern void v86VideoInt();
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union __attribute((__packed__)) V86Regs_t {
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struct dword_regs {
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uint32_t edi;
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uint32_t esi;
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uint32_t ebx;
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uint32_t edx;
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uint32_t ecx;
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uint32_t eax;
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} d;
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struct word_regs {
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uint16_t di, _upper_di;
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uint16_t si, _upper_si;
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uint16_t bx, _upper_bx;
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uint16_t dx, _upper_dx;
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uint16_t cx, _upper_cx;
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uint16_t ax, _upper_ax;
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} w;
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struct byte_regs {
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uint16_t di, _upper_di;
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uint16_t si, _upper_si;
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uint8_t bl, bh;
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uint16_t _upper_bx;
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uint8_t dl, dh;
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uint16_t _upper_dx;
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uint8_t cl, ch;
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uint16_t _upper_cx;
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uint8_t al, ah;
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uint16_t _upper_ax;
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} h;
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};
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extern void enter_v86(uint32_t ss, uint32_t esp, uint32_t cs, uint32_t eip, union V86Regs_t *regs);
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struct __attribute((__packed__)) Int13DiskPacket_t {
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uint8_t size; // 0x10
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uint8_t reserved; // 0x00
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uint16_t blocks;
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uint32_t transfer_buffer; // 0x2300:0000
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uint64_t start_block;
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};
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extern struct Int13DiskPacket_t v86disk_addr_packet;
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