Merge pull request #5390 from Cacodemon345/nec-v20-8080

Implement NEC V20/V30's i8080 emulation mode

src/include/86box/i8080.h

@@ -1,69 +0,0 @@
-/*
- * 86Box    A hypervisor and IBM PC system emulator that specializes in
- *          running old operating systems and software designed for IBM
- *          PC systems and compatibles from 1981 through fairly recent
- *          system designs based on the PCI bus.
- *
- *          This file is part of the 86Box distribution.
- *
- *          8080 CPU emulation (header).
- *
- *
- *
- * Authors: Cacodemon345
- *
- *          Copyright 2022 Cacodemon345
- */
-
-#include <stdint.h>
-
-typedef struct i8080 {
-    union {
-        uint16_t af; /* Intended in case we also go for μPD9002 emulation, which also has a Z80 emulation mode. */
-        struct {
-            uint8_t a;
-            uint8_t flags;
-        };
-    };
-    union {
-        uint16_t bc;
-        struct {
-            uint8_t b;
-            uint8_t c;
-        };
-    };
-    union {
-        uint16_t de;
-        struct {
-            uint8_t d;
-            uint8_t e;
-        };
-    };
-    union {
-        uint16_t hl;
-        struct {
-            uint8_t h;
-            uint8_t l;
-        };
-    };
-    uint16_t  pc;
-    uint16_t  sp;
-    uint16_t  oldpc;
-    uint16_t  ei;
-    uint32_t  pmembase;
-    uint32_t  dmembase;   /* Base from where i8080 starts. */
-    uint8_t   emulated;  /* 0 = not emulated, use separate registers, 1 = emulated, use x86 registers. */
-    uint16_t *cpu_flags;
-    void    (*writemembyte)(uint32_t, uint8_t);
-    uint8_t (*readmembyte)(uint32_t);
-    void    (*startclock)(void);
-    void    (*endclock)(void);
-    void    (*checkinterrupts)(void);
-    uint8_t (*fetchinstruction)(void *);
-} i8080;
-
-#define C_FLAG_I8080  (1 << 0)
-#define P_FLAG_I8080  (1 << 2)
-#define AC_FLAG_I8080 (1 << 4)
-#define Z_FLAG_I8080  (1 << 6)
-#define S_FLAG_I8080  (1 << 7)