Added support to mapper 517.

ChangeLog

@@ -14,7 +14,7 @@ Changelog:
 - Added full support for the NES 2.0 header format.
 - Added video filter : "NTSC CRT LMP88959" and "NTSC NES LMP88959" (https://github.com/LMP88959/NTSC-CRT, Thx to LMP88959 for is great work).
 - Added video filter : "PAL CRT LMP88959" and "PAL NES LMP88959" (https://github.com/LMP88959/PAL-CRT, Thx to LMP88959 for is great work).
-- Added support to mapper : 100, 122, 157, 170, 272, 291, 311, 334, 362, 366, 384, 421, 446, 471, 551, 552, 555, 561.
+- Added support to mapper : 100, 122, 157, 170, 272, 291, 311, 334, 362, 366, 384, 421, 446, 471, 517, 551, 552, 555, 561.
 - Added support to UNIF mapper : Transformer, UNROM, AMROM, AOROM, LH09, A60AS, T4A54A, FC-28-5027, 150in1A, 212-HONG-KONG, GKCXIN, 113in1JY110, 820561C, M2C52A, S-2009.
 - Added full support for the Detach Barcode Reader of mapper 157.
 - Added support for nes20db.xml and dip.cfg (many thx to NewRisingSun for is for his immense work).

README.md

@@ -122,7 +122,7 @@ To see a list of available command-line options, start puNES with the `-h` argum
 |     |     |     |     |     |     |     |     |     |     |     |
 |     |     |     |     |     |     |     |     |     |     |     |
 |     |     |     |     |     |     | 512 | 513 |     |     | 516 |
-|     | 518 | 519 |     | 521 | 522 |     | 524 | 525 | 526 | 527 |
+| 517 | 518 | 519 |     | 521 | 522 |     | 524 | 525 | 526 | 527 |
 | 528 | 529 | 530 |     | 532 |     | 534 |     | 536 | 537 | 538 |
 | 539 | 540 | 541 |     | 543 |     |     |     | 547 |     |     |
 | 550 | 551 | 552 |     | 554 | 555 | 556 | 557 | 558 | 559 | 560 |

src/CMakeLists.txt

@@ -450,6 +450,7 @@ set(core_srcs
 	core/mappers/mapper_513.c
 	core/mappers/mapper_516.c
 	core/mappers/mapper_518.c
+	core/mappers/mapper_517.c
 	core/mappers/mapper_519.c
 	core/mappers/mapper_521.c
 	core/mappers/mapper_522.c

src/core/mappers.c

@@ -1198,6 +1198,9 @@ BYTE map_init(void) {
 		case 516:
 			map_init_516();
 			break;
+		case 517:
+			map_init_517();
+			break;
 		case 518:
 			map_init_518();
 			break;

src/core/mappers.h

@@ -383,6 +383,7 @@
 #include "mappers/mapper_512.h"
 #include "mappers/mapper_513.h"
 #include "mappers/mapper_516.h"
+#include "mappers/mapper_517.h"
 #include "mappers/mapper_518.h"
 #include "mappers/mapper_519.h"
 #include "mappers/mapper_521.h"

src/core/mappers/mapper_517.c

@@ -0,0 +1,108 @@
+/*
+ *  Copyright (C) 2010-2023 Fabio Cavallo (aka FHorse)
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <string.h>
+#include "mappers.h"
+#include "save_slot.h"
+
+INLINE static void prg_fix_517(void);
+
+struct _m517 {
+	BYTE reg;
+	struct _m517_adc {
+		int data;
+		int high;
+		int low;
+		BYTE state;
+	} adc;
+} m517;
+
+void map_init_517(void) {
+	EXTCL_AFTER_MAPPER_INIT(517);
+	EXTCL_CPU_WR_MEM(517);
+	EXTCL_CPU_RD_MEM(517);
+	EXTCL_SAVE_MAPPER(517);
+	mapper.internal_struct[0] = (BYTE *)&m517;
+	mapper.internal_struct_size[0] = sizeof(m517);
+
+	if (info.reset >= HARD) {
+		memset(&m517, 0x00, sizeof(m517));
+	}
+
+	m517.adc.data = 0;
+	m517.adc.state = 0;
+}
+void extcl_after_mapper_init_517(void) {
+	prg_fix_517();
+}
+void extcl_cpu_wr_mem_517(UNUSED(BYTE nidx), WORD address, BYTE value) {
+	if ((address >= 0x8000) && (address <= 0x8FFF)) {
+//		TODO : gestione microfono
+//		m517.adc.data = <microphone> * 63.0;
+		m517.adc.data = 0.0 * 63.0;
+		m517.adc.high = m517.adc.data >> 2;
+		m517.adc.low = 0x40 - m517.adc.high - ((m517.adc.data & 0x03) << 2);
+		m517.adc.state = 0;
+	}
+	m517.reg = value;
+	prg_fix_517();
+}
+BYTE extcl_cpu_rd_mem_517(BYTE nidx, WORD address, UNUSED(BYTE openbus)) {
+	if ((address >= 0x6000) && (address <= 0x6FFF)) {
+		BYTE result = 0;
+
+		if (address == 0x6000) {
+			switch(m517.adc.state) {
+				case 0:
+					m517.adc.state = 1;
+					result = 0;
+					break;
+				case 1:
+					m517.adc.state = 2;
+					result = 1;
+					break;
+				case 2:
+					if (m517.adc.low > 0) {
+						m517.adc.low--;
+						result = 1;
+					} else {
+						m517.adc.state = 0;
+						result = 0;
+					}
+					break;
+			}
+		} else {
+			result = m517.adc.high-- > 0 ? 0 : 1;
+		}
+		return (result);
+	}
+	return (wram_rd(nidx, address));
+}
+BYTE extcl_save_mapper_517(BYTE mode, BYTE slot, FILE *fp) {
+	save_slot_ele(mode, slot, m517.reg);
+	save_slot_ele(mode, slot, m517.adc.data);
+	save_slot_ele(mode, slot, m517.adc.high);
+	save_slot_ele(mode, slot, m517.adc.low);
+	save_slot_ele(mode, slot, m517.adc.state);
+	return (EXIT_OK);
+}
+
+INLINE static void prg_fix_517(void) {
+	memmap_auto_16k(0, MMCPU(0x8000), m517.reg);
+	memmap_auto_16k(0, MMCPU(0xC000), 0xFF);
+}

src/core/mappers/mapper_517.h

@@ -0,0 +1,30 @@
+/*
+ *  Copyright (C) 2010-2023 Fabio Cavallo (aka FHorse)
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef MAPPER_517_H_
+#define MAPPER_517_H_
+
+#include "common.h"
+
+void map_init_517(void);
+void extcl_after_mapper_init_517(void);
+void extcl_cpu_wr_mem_517(BYTE nidx, WORD address, BYTE value);
+BYTE extcl_cpu_rd_mem_517(BYTE nidx, WORD address, BYTE openbus);
+BYTE extcl_save_mapper_517(BYTE mode, BYTE slot, FILE *fp);
+
+#endif /* MAPPER_517_H_ */