/* i7080_defs.h: IBM 7080 simulator definitions 

   Copyright (c) 2006, Richard Cornwell

   Permission is hereby granted, free of charge, to any person obtaining a
   copy of this software and associated documentation files (the "Software"),
   to deal in the Software without restriction, including without limitation
   the rights to use, copy, modify, merge, publish, distribute, sublicense,
   and/or sell copies of the Software, and to permit persons to whom the
   Software is furnished to do so, subject to the following conditions:

   The above copyright notice and this permission notice shall be included in
   all copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
   IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

*/

#include "sim_defs.h"				/* simulator defns */

#include "i7000_defs.h"

/* Memory */
#define MEM_ADDR_OK(x)	((x) < MEMSIZE)
extern uint8		M[MAXMEMSIZE];
extern uint32		EMEMSIZE;	/* Size of emulated memory */

/* Issue a command to a channel */
int chan_cmd(uint16 dev, uint16 cmd, uint32 addr);

/* Opcode definitions. */
#define OP_TR		CHR_1
#define OP_SEL		CHR_2
#define OP_CTL		CHR_3
#define OP_CMP		CHR_4
#define OP_SPR		CHR_5
#define OP_ADM		CHR_6
#define OP_UNL		CHR_7
#define OP_LOD		CHR_8
#define OP_TMT		CHR_9
#define OP_TRS		CHR_O
#define OP_NOP		CHR_A
#define OP_SET		CHR_B
#define OP_SHR		CHR_C
#define OP_LEN		CHR_D
#define OP_RND		CHR_E
#define OP_ST		CHR_F
#define OP_ADD		CHR_G
#define OP_RAD		CHR_H
#define OP_TRA		CHR_I
#define OP_HLT		CHR_J
#define OP_TRH		CHR_K
#define OP_TRE		CHR_L
#define OP_TRP		CHR_M
#define OP_TRZ		CHR_N
#define OP_SUB		CHR_P
#define OP_RSU		CHR_Q
#define OP_WR		CHR_R
#define OP_RWW		CHR_S
#define OP_SGN		CHR_T
#define OP_RCV		CHR_U
#define OP_MPY		CHR_V
#define OP_DIV		CHR_W
#define OP_NTR		CHR_X
#define OP_RD		CHR_Y
#define OP_WRE		CHR_Z
#define OP_AAM		CHR_QUOT
#define OP_CTL2		CHR_COM
#define OP_LDA		CHR_EQ
#define OP_ULA		CHR_STAR
#define OP_SND		CHR_SLSH
#define OP_BLM		CHR_DOL
#define OP_SBZ		CHR_RPARN
#define OP_TZB		CHR_DOT
#define OP_CTL3		CHR_LPARN

/* Channel options */
#define CHAN_NOREC	0001		/* Don't stop at record */
#define CHAN_8BIT	0002		/* Send 8 bit data */
#define CHAN_SNS	0010		/* Issue sense command */
#define CHAN_CTL	0020		/* Issue control command */
#define CHAN_ZERO	0040		/* Zero memory after write */
#define CHAN_SKIP	0040		/* Don't read data */
#define CHAN_END	0100		/* Last location */
#define CHAN_RECCNT	0200		/* Last was set record counter */
#define CHAN_CMD	0400		/* Opcode in high order bits */

#define CHAN_AFULL	01000		/* A buffer has data */
#define CHAN_BFULL	02000		/* B buffer has data */
#define CHAN_BFLAG	04000		/* Write/read B buffer */