Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores

1 files changed, 0 insertions, 94 deletions

diff --git a/transz80.c b/transz80.c
deleted file mode 100644
index eec1736..0000000
--- a/transz80.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- Copyright 2013 Michael Pavone
- This file is part of BlastEm.
- BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
-*/
-#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;
-}
-
-z80_context * z80_vdp_port_write(uint16_t location, z80_context * context, uint8_t value)
-{
-	return context;
-}
-
-int main(int argc, char ** argv)
-{
-	long filesize;
-	uint8_t *filebuf;
-	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_z80_opts(&opts);
-	init_z80_context(&context, &opts);
-	//Z80 RAM
-	context.mem_pointers[0] = z80_ram;
-	context.sync_cycle = context.target_cycle = MCLKS_PER_FRAME/MCLKS_PER_Z80;
-	context.int_cycle = CYCLE_NEVER;
-	//cartridge/bank
-	context.mem_pointers[1] = context.mem_pointers[2] = (uint8_t *)cart;
-	z80_reset(&context);
-	for(;;)
-	{
-		z80_run(&context);
-		if (context.current_cycle >= MCLKS_PER_FRAME/MCLKS_PER_Z80) {
-			context.current_cycle -= MCLKS_PER_FRAME/MCLKS_PER_Z80;
-		}
-		if (context.current_cycle < VINT_CYCLE && context.iff1) {
-			context.int_cycle = VINT_CYCLE;
-		}
-		context.target_cycle = context.sync_cycle < context.int_cycle ? context.sync_cycle : context.int_cycle;
-	}
-	return 0;
-}