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/***************************************************************************
esripdsm.c
Implementation of the Entertainment Sciences
AM29116-based Real Time Image Processor
***************************************************************************/
#include "emu.h"
#include "debugger.h"
/***************************************************************************
DISASSEMBLY HOOK (TODO: FINISH)
***************************************************************************/
CPU_DISASSEMBLE( esrip )
{
#if 0
static const char* const jmp_types[] =
{
"JCT",
"JT1",
"JT2",
"JT3",
"JT4",
"JLBRM",
"J#HBLANK",
"JMP",
};
static const char* const njmp_types[] =
{
"JNCT",
"JNT1",
"JNT2",
"JNT3",
"JNT4",
"JNLBRM",
"J#HBLANK",
" ",
};
#endif
UINT64 inst = BIG_ENDIANIZE_INT64(*(UINT64 *)oprom);
UINT32 inst_hi = inst >> 32;
UINT32 inst_lo = inst & 0xffffffff;
UINT16 ins = (inst_hi >> 16) & 0xffff;
UINT8 ctrl = (inst_hi >> 8) & 0xff;
UINT8 jmp_dest = (inst_lo >> 8) & 0xff;
UINT8 jmp_ctrl = (ctrl >> 3) & 0x1f;
UINT8 ctrl1 = (inst_lo >> 16) & 0xff;
UINT8 ctrl2 = (inst_lo >> 24) & 0xff;
UINT8 ctrl3 = (inst_hi) & 0xff;
sprintf(buffer, "%.4x %c%c%c%c %.2x %s%s%s%s%s%s%s%s %c%s%s%s %c%c%c%c%c%c%c%c",
ins,
ctrl & 1 ? 'D' : ' ',
ctrl & 2 ? ' ' : 'Y',
ctrl & 4 ? 'S' : ' ',
(~jmp_ctrl & 0x18) ? 'J' : ' ',
jmp_dest,
ctrl1 & 0x01 ? " " : "I ",
ctrl1 & 0x02 ? " " : "FL",
ctrl1 & 0x04 ? "FE" : " ",
ctrl1 & 0x08 ? " " : "FR",
ctrl1 & 0x10 ? " " : "IL",
ctrl1 & 0x20 ? "IE" : " ",
ctrl1 & 0x40 ? " " : "IR",
ctrl1 & 0x80 ? " " : "IW",
ctrl2 & 0x80 ? ' ' : 'O',
ctrl2 & 0x40 ? " " : "IXLLD",
ctrl2 & 0x20 ? " " : "IADLD",
ctrl2 & 0x10 ? " " : "SCALD",
ctrl3 & 0x01 ? ' ' : '0',
ctrl3 & 0x02 ? ' ' : '1',
ctrl3 & 0x04 ? ' ' : '2',
ctrl3 & 0x08 ? ' ' : '3',
ctrl3 & 0x10 ? ' ' : '4',
ctrl3 & 0x20 ? ' ' : '5',
ctrl3 & 0x40 ? ' ' : '6',
ctrl3 & 0x80 ? ' ' : '7'
);
return 1 | DASMFLAG_SUPPORTED;
}
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