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87b51a6261
During "make updatebootstrap", we use less than 0x20 bytes on the PSP side and less than 0x40 bytes on the RSP one. 0x100 bytes ought to be enough for anybody.
38 lines
890 B
C
38 lines
890 B
C
#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "libz80/z80.h"
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typedef byte (*IORD) ();
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typedef void (*IOWR) (byte data);
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typedef struct {
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Z80Context cpu;
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byte mem[0x10000];
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// Set to non-zero to specify where ROM ends. Any memory write attempt
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// below ramstart will trigger a warning.
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ushort ramstart;
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// The minimum value reached by SP at any point during execution.
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ushort minsp;
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// same principle for IX
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ushort maxix;
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// Array of 0x100 function pointers to IO read and write routines. Leave to
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// NULL when IO port is unhandled.
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IORD iord[0x100];
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IOWR iowr[0x100];
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} Machine;
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typedef enum {
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TRI_HIGH,
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TRI_LOW,
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TRI_HIGHZ
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} Tristate;
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Machine* emul_init();
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bool emul_step();
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bool emul_steps(unsigned int steps);
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void emul_loop();
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void emul_trace(ushort addr);
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void emul_memdump();
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void emul_printdebug();
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