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changeset 1748:48a43dff4dc0

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Added init functions to z80_util.c so new Z80 core is closer to a drop in replacement for the old one
author Michael Pavone <pavone@retrodev.com>
date Thu, 07 Feb 2019 09:43:25 -0800
parents 89ddf41a50bb
children e4fe5a450d05
files blastcpm.c cpu_dsl.py z80.cpu z80_util.c ztestrun.c
diffstat 5 files changed, 44 insertions(+), 25 deletions(-) [+]
line wrap: on
line diff
--- a/blastcpm.c	Wed Feb 06 09:13:24 2019 -0800
+++ b/blastcpm.c	Thu Feb 07 09:43:25 2019 -0800
@@ -107,22 +107,8 @@
 	
 	z80_options opts;
 	z80_context *context;
-#ifdef NEW_CORE
-	memset(&opts, 0, sizeof(opts));
-	opts.gen.memmap = z80_map;
-	opts.gen.memmap_chunks = 1;
-	opts.gen.address_mask = 0xFFFF;
-	opts.gen.max_address = 0xFFFF;
-	opts.gen.clock_divider = 1;
-	context = calloc(1, sizeof(z80_context));
-	context->opts = &opts;
-	context->io_map = io_map;
-	context->io_chunks = 3;
-	context->io_mask = 0xFF;
-#else
 	init_z80_opts(&opts, z80_map, 1, io_map, 3, 1, 0xFF);
 	context = init_z80_context(&opts);
-#endif
 	for(;;)
 	{
 #ifdef NEW_CORE
--- a/cpu_dsl.py	Wed Feb 06 09:13:24 2019 -0800
+++ b/cpu_dsl.py	Thu Feb 07 09:43:25 2019 -0800
@@ -1281,6 +1281,7 @@
 		self.lastB = None
 		self.lastBFlow = None
 		self.conditional = False
+		self.declares = []
 		
 	def __str__(self):
 		pieces = []
@@ -1308,6 +1309,8 @@
 		hFile.write('\n}} {0}context;'.format(self.prefix))
 		hFile.write('\n')
 		hFile.write('\nvoid {pre}execute({type} *context, uint32_t target_cycle);'.format(pre = self.prefix, type = self.context_type))
+		for decl in self.declares:
+			hFile.write('\n' + decl)
 		hFile.write('\n#endif //{0}_'.format(macro))
 		hFile.write('\n')
 		hFile.close()
@@ -1491,6 +1494,7 @@
 	subroutines = {}
 	registers = None
 	flags = None
+	declares = []
 	errors = []
 	info = {}
 	line_num = 0
@@ -1505,6 +1509,8 @@
 				parts = [el.strip() for el in line.split(' ')]
 				if type(cur_object) is dict:
 					cur_object[parts[0]] = parts[1:]
+				elif type(cur_object) is list:
+					cur_object.append(line.strip())
 				else:
 					cur_object = cur_object.processLine(parts)
 				
@@ -1562,6 +1568,8 @@
 				if flags is None:
 					flags = Flags()
 				cur_object = flags
+			elif line.strip() == 'declare':
+				cur_object = declares
 			else:
 				cur_object = SubRoutine(line.strip())
 				subroutines[cur_object.name] = cur_object
@@ -1569,6 +1577,7 @@
 		print(errors)
 	else:
 		p = Program(registers, instructions, subroutines, info, flags)
+		p.declares = declares
 		p.booleans['dynarec'] = False
 		p.booleans['interp'] = True
 		
--- a/z80.cpu	Wed Feb 06 09:13:24 2019 -0800
+++ b/z80.cpu	Thu Feb 07 09:43:25 2019 -0800
@@ -6,6 +6,10 @@
 	include z80_util.c
 	header z80.h
 	
+declare
+	void init_z80_opts(z80_options * options, memmap_chunk const * chunks, uint32_t num_chunks, memmap_chunk const * io_chunks, uint32_t num_io_chunks, uint32_t clock_divider, uint32_t io_address_mask);
+	z80_context * init_z80_context(z80_options *options);
+	
 regs
 	main 8 b c d e h l f a
 	alt 8 b' c' d' e' h' l' f' a'
--- a/z80_util.c	Wed Feb 06 09:13:24 2019 -0800
+++ b/z80_util.c	Thu Feb 07 09:43:25 2019 -0800
@@ -1,3 +1,4 @@
+#include <string.h>
 
 void z80_read_8(z80_context *context)
 {
@@ -43,4 +44,31 @@
 	context->opts->gen.address_mask = tmp_mask;
 	context->opts->gen.memmap = tmp_map;
 	context->opts->gen.memmap_chunks = tmp_chunks;
-}
\ No newline at end of file
+}
+
+//quick hack until I get a chance to change which init method these get passed to
+static memmap_chunk const * tmp_io_chunks;
+static uint32_t tmp_num_io_chunks, tmp_io_mask;
+void init_z80_opts(z80_options * options, memmap_chunk const * chunks, uint32_t num_chunks, memmap_chunk const * io_chunks, uint32_t num_io_chunks, uint32_t clock_divider, uint32_t io_address_mask)
+{
+	memset(options, 0, sizeof(*options));
+	options->gen.memmap = chunks;
+	options->gen.memmap_chunks = num_chunks;
+	options->gen.address_mask = 0xFFFF;
+	options->gen.max_address = 0xFFFF;
+	options->gen.clock_divider = clock_divider;
+	tmp_io_chunks = io_chunks;
+	tmp_num_io_chunks = num_io_chunks;
+	tmp_io_mask = io_address_mask;
+}
+
+z80_context * init_z80_context(z80_options *options)
+{
+	z80_context *context = calloc(1, sizeof(z80_context));
+	context->opts = options;
+	context->io_map = (memmap_chunk *)tmp_io_chunks;
+	context->io_chunks = tmp_num_io_chunks;
+	context->io_mask = tmp_io_mask;
+	return context;
+}
+
--- a/ztestrun.c	Wed Feb 06 09:13:24 2019 -0800
+++ b/ztestrun.c	Thu Feb 07 09:43:25 2019 -0800
@@ -96,15 +96,9 @@
 		exit(1);
 	}
 	fclose(f);
+	init_z80_opts(&opts, z80_map, 2, port_map, 1, 1, 0xFF);
+	context = init_z80_context(&opts);
 #ifdef NEW_CORE
-	memset(&opts, 0, sizeof(opts));
-	opts.gen.memmap = z80_map;
-	opts.gen.memmap_chunks = 2;
-	opts.gen.address_mask = 0xFFFF;
-	opts.gen.max_address = 0xFFFF;
-	opts.gen.clock_divider = 1;
-	context = calloc(1, sizeof(z80_context));
-	context->opts = &opts;
 	z80_execute(context, 1000);
 	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->main[7], context->main[0], context->main[1],
@@ -124,8 +118,6 @@
 		context->alt[2], context->alt[3],
 		(context->alt[4] << 8) | context->alt[5]);
 #else
-	init_z80_opts(&opts, z80_map, 2, port_map, 1, 1, 0xFF);
-	context = init_z80_context(&opts);
 	//Z80 RAM
 	context->mem_pointers[0] = z80_ram;
 	if (retranslate) {