aiie/util/testharness.cpp

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#include <stdio.h>
#include <time.h>
#include <string.h>
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#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
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#include "cpu.h"
#include "mmu.h"
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bool running = true;
bool verbose = false;
unsigned long startpc = 0x400;
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class TestMMU : public MMU {
public:
TestMMU() {}
virtual ~TestMMU() {}
virtual void Reset() {}
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virtual uint8_t read(uint16_t mem) { if (mem == 0xBFF0 || mem == 0xF001) { return 'R'; } return ram[mem];}
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virtual void write(uint16_t mem, uint8_t val) {
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if (mem == 0xBFF0 || mem == 0xF001) {printf("%c", val); return;}
if (mem == 0x202 || mem == 0x200) {
if (val == 240) { printf("All tests successful!\n"); running = 0; }
printf("Start test %d\n", val);
}
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ram[mem] = val;}
virtual uint8_t readDirect(uint16_t address, uint8_t fromPage) { return read(address);}
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virtual bool Serialize(int8_t fd) { return false; }
virtual bool Deserialize(int8_t fd) { return false; }
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uint8_t ram[65536];
};
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class FileManager;
FileManager *g_filemanager = NULL;
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Cpu cpu;
TestMMU mmu;
int main(int argc, char *argv[])
{
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int ch;
int fd = -1;
while ((ch = getopt(argc, argv, "f:vs:")) != -1) {
switch (ch) {
case 's':
if (optarg[0] == '0' &&
optarg[1] == 'x') {
startpc = strtol(optarg+2, NULL, 16);
} else {
startpc = strtol(optarg, NULL, 10);
}
break;
case 'v':
verbose = true;
break;
case 'f':
{
if ((fd = open(optarg, O_RDONLY, 0)) < 0) {
fprintf(stderr, "%s: %s\n", optarg, strerror(errno));
exit(1);
}
}
break;
}
}
if (fd == -1) {
fprintf(stderr, "Missing '-f <filename>'\n");
exit(1);
}
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cpu.SetMMU(&mmu);
cpu.rst();
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ssize_t s;
char c;
unsigned long pos = 0;
while ((s = read(fd, &c, 1)) == 1) {
mmu.ram[pos] = c;
pos ++;
}
cpu.pc = startpc;
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// cpu.Reset();
time_t startTime = time(NULL);
// call cpu.Run() in the worst possible way (most overhead)
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for (uint32_t i=0; running && i<1000000000; i++) {
if (cpu.pc == 0x453a) {
printf("Somehow wound up at input routine; exiting\n");
exit(1);
}
int o = mmu.read(cpu.pc);
if (o == 0xDB) {
// end of the decimal mode tests
int result = mmu.read(0x0b);
printf("Test complete. Result: %s\n", result ? "failed" : "passed");
exit(result);
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}
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cpu.Run(1);
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if (verbose) {
printf("time %u PC $%.4X OP $%.2X mem200 #%d mem202 #%d X 0x%.2X Y 0x%.2X A 0x%.2X SP 0x%.2X Status 0x%.2X\n", cpu.cycles, cpu.pc, mmu.read(cpu.pc), mmu.read(0x200), mmu.read(0x202), cpu.x, cpu.y, cpu.a, cpu.sp, cpu.flags);
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}
}
time_t endTime = time(NULL);
printf("%ld seconds\n", endTime - startTime);
printf("Ending PC: 0x%X\n", cpu.pc);
}