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author Couriersud <couriersud@users.noreply.github.com>2008-10-29 23:41:31 +0000
committer Couriersud <couriersud@users.noreply.github.com>2008-10-29 23:41:31 +0000
commit7dd6c892215872863f5eaa9b376e94867a30d3c9 (patch)
tree7f86339f9a801e4c9c220ee5dc79af05588cb7a2 /src/emu/cpu/mcs51/mcs51.h
parentbf27ac4ff96dbdda71ec75b8509727ecd7884893 (diff)
Finally move cpu/i8051 to cpu/mcs51, rename files and some constants
Diffstat (limited to 'src/emu/cpu/mcs51/mcs51.h')
-rw-r--r--src/emu/cpu/mcs51/mcs51.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/emu/cpu/mcs51/mcs51.h b/src/emu/cpu/mcs51/mcs51.h
new file mode 100644
index 00000000000..5b26997318e
--- /dev/null
+++ b/src/emu/cpu/mcs51/mcs51.h
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+/*****************************************************************************
+ *
+ * mcs51.h
+ * Portable MCS-51 Family Emulator
+ *
+ * Chips in the family:
+ * 8051 Product Line (8031,8051,8751)
+ * 8052 Product Line (8032,8052,8752)
+ * 8054 Product Line (8054)
+ * 8058 Product Line (8058)
+ *
+ * Copyright Steve Ellenoff, all rights reserved.
+ *
+ * - This source code is released as freeware for non-commercial purposes.
+ * - You are free to use and redistribute this code in modified or
+ * unmodified form, provided you list me in the credits.
+ * - If you modify this source code, you must add a notice to each modified
+ * source file that it has been changed. If you're a nice person, you
+ * will clearly mark each change too. :)
+ * - If you wish to use this for commercial purposes, please contact me at
+ * sellenoff@hotmail.com
+ * - The author of this copywritten work reserves the right to change the
+ * terms of its usage and license at any time, including retroactively
+ * - This entire notice must remain in the source code.
+ *
+ * This work is based on:
+ * #1) 'Intel(tm) MC51 Microcontroller Family Users Manual' and
+ * #2) 8051 simulator by Travis Marlatte
+ * #3) Portable UPI-41/8041/8741/8042/8742 emulator V0.1 by Juergen Buchmueller (MAME CORE)
+ *
+ * 2008, October, Couriersud
+ * - Rewrite of timer, interrupt and serial code
+ * - addition of CMOS features
+ * - internal memory maps
+ * - addition of new processor types
+ * - full emulation of 8xCx2 processors
+ *****************************************************************************/
+
+#pragma once
+
+#ifndef __MCS51_H__
+#define __MCS51_H__
+
+#include "cpuintrf.h"
+
+enum
+{
+ MCS51_PC=1, MCS51_SP, MCS51_PSW, MCS51_ACC, MCS51_B, MCS51_DPH, MCS51_DPL, MCS51_IE,
+ MCS51_R0, MCS51_R1, MCS51_R2, MCS51_R3, MCS51_R4, MCS51_R5, MCS51_R6, MCS51_R7, MCS51_RB
+};
+
+enum
+{
+ MCS51_INT0_LINE = 0, /* P3.2: External Interrupt 0 */
+ MCS51_INT1_LINE, /* P3.3: External Interrupt 1 */
+ MCS51_RX_LINE, /* P3.0: Serial Port Receive Line */
+ MCS51_T0_LINE, /* P3,4: Timer 0 External Input */
+ MCS51_T1_LINE, /* P3.5: Timer 1 External Input */
+ MCS51_T2_LINE, /* P1.0: Timer 2 External Input */
+ MCS51_T2EX_LINE, /* P1.1: Timer 2 Capture Reload Trigger */
+};
+
+/* special I/O space ports */
+
+enum
+{
+ MCS51_PORT_P0 = 0x10000,
+ MCS51_PORT_P1 = 0x10001,
+ MCS51_PORT_P2 = 0x10002,
+ MCS51_PORT_P3 = 0x10003,
+ MCS51_PORT_TX = 0x10004, /* P3.1 */
+};
+
+
+/***************************************************************************
+ FUNCTION PROTOTYPES
+***************************************************************************/
+
+extern void i8051_set_serial_tx_callback(void (*callback)(int data));
+extern void i8051_set_serial_rx_callback(int (*callback)(void));
+
+/* variants with no internal rom and 128 byte internal memory */
+void i8031_get_info(UINT32 state, cpuinfo *info);
+
+/* variants with no internal rom and 256 byte internal memory */
+void i8032_get_info(UINT32 state, cpuinfo *info);
+
+/* variants 4k internal rom and 128 byte internal memory */
+void i8051_get_info(UINT32 state, cpuinfo *info);
+void i8751_get_info(UINT32 state, cpuinfo *info);
+
+/* variants 8k internal rom and 256 byte internal memory and more registers */
+void i8052_get_info(UINT32 state, cpuinfo *info);
+void i8752_get_info(UINT32 state, cpuinfo *info);
+
+/* cmos variants */
+void i80c31_get_info(UINT32 state, cpuinfo *info);
+void i80c51_get_info(UINT32 state, cpuinfo *info);
+void i87c51_get_info(UINT32 state, cpuinfo *info);
+
+void i80c32_get_info(UINT32 state, cpuinfo *info);
+void i80c52_get_info(UINT32 state, cpuinfo *info);
+void i87c52_get_info(UINT32 state, cpuinfo *info);
+
+/* 4k internal perom and 128 internal ram and 2 analog comparators */
+void at89c4051_get_info(UINT32 state, cpuinfo *info);
+
+/****************************************************************************
+ * Disassembler
+ ****************************************************************************/
+
+offs_t i8051_dasm(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram);
+
+#endif /* __MCS51_H__ */