35 lines
973 B
C
35 lines
973 B
C
#include <stdio.h>
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#include "z80/z80.h"
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/*
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* The intercept function is invoked on each and every CPU instruction. It
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* quits the simulation when the PC register reaches address #0005 by changing
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* the virtual CPU status.
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*/
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static void intercept(void *ctx)
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{
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z80 *cpu = ctx;
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if (PC == 5) {
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puts("\nReached address: 5, terminating the simulation...");
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cpu->status = 1;
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}
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}
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int main(int argc, char *argv[])
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{
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/*
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* Instantiate the CPU, activate the debug mode, set the intercept
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* function and run the virtual CPU until the termination criteria
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* set by the intercept function, if any, are met.
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*/
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z80 *cpu = z80_new();
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cpu->debug = 1;
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// TODO: Copy rom to first 32k CPU memory
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_RamWrite(0x03, 0x76); // As an example, here is how to set HALT at posizion 0x03. Use a loop to copy memory from a PAT80 OS rom file.
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z80_set_intercept(cpu, cpu, intercept);
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z80_run(cpu);
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z80_destroy(cpu);
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}
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