1 files changed, 92 insertions, 0 deletions
diff --git a/ztestrun.c b/ztestrun.c
new file mode 100644
index 0000000..9011dae
--- /dev/null
+++ b/ztestrun.c
@@ -0,0 +1,92 @@
+#include "z80inst.h"
+#include "z80_to_x86.h"
+#include "mem.h"
+#include "vdp.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+uint8_t z80_ram[0x2000];
+uint16_t cart[0x200000];
+
+#define MCLKS_PER_Z80 15
+//TODO: Figure out the exact value for this
+#define MCLKS_PER_FRAME (MCLKS_LINE*262)
+#define VINT_CYCLE ((MCLKS_LINE * 226)/MCLKS_PER_Z80)
+#define CYCLE_NEVER 0xFFFFFFFF
+
+uint8_t z80_read_ym(uint16_t location, z80_context * context)
+{
+	return 0xFF;
+}
+
+z80_context * z80_write_ym(uint16_t location, z80_context * context, uint8_t value)
+{
+	return context;
+}
+
+int main(int argc, char ** argv)
+{
+	long filesize;
+	uint8_t *filebuf;
+	x86_z80_options opts;
+	z80_context context;
+	if (argc < 2) {
+		fputs("usage: transz80 zrom [cartrom]\n", stderr);
+		exit(1);
+	}
+	FILE * f = fopen(argv[1], "rb");
+	if (!f) {
+		fprintf(stderr, "unable to open file %s\n", argv[2]);
+		exit(1);
+	}
+	fseek(f, 0, SEEK_END);
+	filesize = ftell(f);
+	fseek(f, 0, SEEK_SET);
+	fread(z80_ram, 1, filesize < sizeof(z80_ram) ? filesize : sizeof(z80_ram), f);
+	fclose(f);
+	if (argc > 2) {
+		f = fopen(argv[2], "rb");
+		if (!f) {
+			fprintf(stderr, "unable to open file %s\n", argv[2]);
+			exit(1);
+		}
+		fseek(f, 0, SEEK_END);
+		filesize = ftell(f);
+		fseek(f, 0, SEEK_SET);
+		fread(cart, 1, filesize < sizeof(cart) ? filesize : sizeof(cart), f);
+		fclose(f);
+		for(unsigned short * cur = cart; cur - cart < (filesize/2); ++cur)
+		{
+			*cur = (*cur >> 8) | (*cur << 8);
+		}
+	}
+	init_x86_z80_opts(&opts);
+	init_z80_context(&context, &opts);
+	//Z80 RAM
+	context.mem_pointers[0] = z80_ram;
+	context.sync_cycle = context.target_cycle = 1000;
+	context.int_cycle = CYCLE_NEVER;
+	//cartridge/bank
+	context.mem_pointers[1] = context.mem_pointers[2] = (uint8_t *)cart;
+	z80_reset(&context);
+	while (context.current_cycle < 1000) {
+		z80_run(&context);
+	}
+	printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\nSP: %X\n\nIM: %d, IFF1: %d, IFF2: %d\n", 
+		context.regs[Z80_A], context.regs[Z80_B], context.regs[Z80_C],
+		context.regs[Z80_D], context.regs[Z80_E], 
+		(context.regs[Z80_H] << 8) | context.regs[Z80_L], 
+		(context.regs[Z80_IXH] << 8) | context.regs[Z80_IXL], 
+		(context.regs[Z80_IYH] << 8) | context.regs[Z80_IYL], 
+		context.sp, context.im, context.iff1, context.iff2);
+	printf("Flags: SZVNC\n"
+	       "       %d%d%d%d%d\n", context.flags[ZF_S], context.flags[ZF_Z], context.flags[ZF_PV], context.flags[ZF_N], context.flags[ZF_C]);
+	puts("--Alternate Regs--");
+	printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\n", 
+		context.alt_regs[Z80_A], context.alt_regs[Z80_B], context.alt_regs[Z80_C],
+		context.alt_regs[Z80_D], context.alt_regs[Z80_E], 
+		(context.alt_regs[Z80_H] << 8) | context.alt_regs[Z80_L], 
+		(context.alt_regs[Z80_IXH] << 8) | context.alt_regs[Z80_IXL], 
+		(context.alt_regs[Z80_IYH] << 8) | context.alt_regs[Z80_IYL]);
+	return 0;
+}