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Diffstat (limited to 'src/devices/cpu/mcs48/mcs48dsm.cpp')
-rw-r--r--src/devices/cpu/mcs48/mcs48dsm.cpp200
1 files changed, 98 insertions, 102 deletions
diff --git a/src/devices/cpu/mcs48/mcs48dsm.cpp b/src/devices/cpu/mcs48/mcs48dsm.cpp
index 08afa12f6b3..e265e83534e 100644
--- a/src/devices/cpu/mcs48/mcs48dsm.cpp
+++ b/src/devices/cpu/mcs48/mcs48dsm.cpp
@@ -10,27 +10,35 @@
***************************************************************************/
#include "emu.h"
+#include "mcs48dsm.h"
+mcs48_disassembler::mcs48_disassembler(bool upi41) : m_upi41(upi41)
+{
+}
-static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, const uint8_t *oprom, const uint8_t *opram, bool upi41)
+u32 mcs48_disassembler::opcode_alignment() const
{
- const uint8_t *startram = opram;
- uint32_t flags = 0;
+ return 1;
+}
- opram++;
- switch (*oprom++)
+offs_t mcs48_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer &params)
+{
+ offs_t cpc = pc;
+ offs_t flags = 0;
+
+ switch (opcodes.r8(cpc++))
{
case 0x00: util::stream_format(stream, "nop"); break;
- case 0x02: if (!upi41)
+ case 0x02: if (!m_upi41)
util::stream_format(stream, "out bus,a");
else
util::stream_format(stream, "out dbb,a");
break;
- case 0x03: util::stream_format(stream, "add a,#$%02X", *opram++); break;
- case 0x04: util::stream_format(stream, "jmp $0%02X", *opram++); break;
+ case 0x03: util::stream_format(stream, "add a,#$%02X", params.r8(cpc++)); break;
+ case 0x04: util::stream_format(stream, "jmp $0%02X", params.r8(cpc++)); break;
case 0x05: util::stream_format(stream, "en i"); break;
case 0x07: util::stream_format(stream, "dec a"); break;
- case 0x08: if (!upi41)
+ case 0x08: if (!m_upi41)
util::stream_format(stream, "in a,bus");
else
util::stream_format(stream, "illegal");
@@ -43,11 +51,11 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0x0f: util::stream_format(stream, "movd a,p7"); break;
case 0x10: util::stream_format(stream, "inc @r0"); break;
case 0x11: util::stream_format(stream, "inc @r1"); break;
- case 0x12: util::stream_format(stream, "jb0 $%03X", (pc & 0xf00) | *opram++); break;
- case 0x13: util::stream_format(stream, "addc a,#$%02X", *opram++); break;
- case 0x14: util::stream_format(stream, "call $0%02X", *opram++); flags = DASMFLAG_STEP_OVER; break;
+ case 0x12: util::stream_format(stream, "jb0 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
+ case 0x13: util::stream_format(stream, "addc a,#$%02X", params.r8(cpc++)); break;
+ case 0x14: util::stream_format(stream, "call $0%02X", params.r8(cpc++)); flags = STEP_OVER; break;
case 0x15: util::stream_format(stream, "dis i"); break;
- case 0x16: util::stream_format(stream, "jtf $%03X", (pc & 0xf00) | *opram++); break;
+ case 0x16: util::stream_format(stream, "jtf $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0x17: util::stream_format(stream, "inc a"); break;
case 0x18: util::stream_format(stream, "inc r0"); break;
case 0x19: util::stream_format(stream, "inc r1"); break;
@@ -59,15 +67,15 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0x1f: util::stream_format(stream, "inc r7"); break;
case 0x20: util::stream_format(stream, "xch a,@r0"); break;
case 0x21: util::stream_format(stream, "xch a,@r1"); break;
- case 0x22: if (!upi41)
+ case 0x22: if (!m_upi41)
util::stream_format(stream, "illegal");
else
util::stream_format(stream, "in a,dbb");
break;
- case 0x23: util::stream_format(stream, "mov a,#$%02X", *opram++); break;
- case 0x24: util::stream_format(stream, "jmp $1%02X", *opram++); break;
+ case 0x23: util::stream_format(stream, "mov a,#$%02X", params.r8(cpc++)); break;
+ case 0x24: util::stream_format(stream, "jmp $1%02X", params.r8(cpc++)); break;
case 0x25: util::stream_format(stream, "en tcnti"); break;
- case 0x26: util::stream_format(stream, "jnt0 $%03X", (pc & 0xf00) | *opram++); break;
+ case 0x26: util::stream_format(stream, "jnt0 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0x27: util::stream_format(stream, "clr a"); break;
case 0x28: util::stream_format(stream, "xch a,r0"); break;
case 0x29: util::stream_format(stream, "xch a,r1"); break;
@@ -79,10 +87,10 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0x2f: util::stream_format(stream, "xch a,r7"); break;
case 0x30: util::stream_format(stream, "xchd a,@r0"); break;
case 0x31: util::stream_format(stream, "xchd a,@r1"); break;
- case 0x32: util::stream_format(stream, "jb1 $%03X", (pc & 0xf00) | *opram++); break;
- case 0x34: util::stream_format(stream, "call $1%02X", *opram++); flags = DASMFLAG_STEP_OVER; break;
+ case 0x32: util::stream_format(stream, "jb1 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
+ case 0x34: util::stream_format(stream, "call $1%02X", params.r8(cpc++)); flags = STEP_OVER; break;
case 0x35: util::stream_format(stream, "dis tcnti"); break;
- case 0x36: util::stream_format(stream, "jt0 $%03X", (pc & 0xf00) | *opram++); break;
+ case 0x36: util::stream_format(stream, "jt0 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0x37: util::stream_format(stream, "cpl a"); break;
case 0x39: util::stream_format(stream, "outl p1,a"); break;
case 0x3a: util::stream_format(stream, "outl p2,a"); break;
@@ -93,10 +101,10 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0x40: util::stream_format(stream, "orl a,@r0"); break;
case 0x41: util::stream_format(stream, "orl a,@r1"); break;
case 0x42: util::stream_format(stream, "mov a,t"); break;
- case 0x43: util::stream_format(stream, "orl a,#$%02X", *opram++); break;
- case 0x44: util::stream_format(stream, "jmp $2%02X", *opram++); break;
+ case 0x43: util::stream_format(stream, "orl a,#$%02X", params.r8(cpc++)); break;
+ case 0x44: util::stream_format(stream, "jmp $2%02X", params.r8(cpc++)); break;
case 0x45: util::stream_format(stream, "strt cnt"); break;
- case 0x46: util::stream_format(stream, "jnt1 $%03X", (pc & 0xf00) | *opram++); break;
+ case 0x46: util::stream_format(stream, "jnt1 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0x47: util::stream_format(stream, "swap a"); break;
case 0x48: util::stream_format(stream, "orl a,r0"); break;
case 0x49: util::stream_format(stream, "orl a,r1"); break;
@@ -108,11 +116,11 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0x4f: util::stream_format(stream, "orl a,r7"); break;
case 0x50: util::stream_format(stream, "anl a,@r0"); break;
case 0x51: util::stream_format(stream, "anl a,@r1"); break;
- case 0x52: util::stream_format(stream, "jb2 $%03X", (pc & 0xf00) | *opram++); break;
- case 0x53: util::stream_format(stream, "anl a,#$%02X", *opram++); break;
- case 0x54: util::stream_format(stream, "call $2%02X", *opram++); flags = DASMFLAG_STEP_OVER; break;
+ case 0x52: util::stream_format(stream, "jb2 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
+ case 0x53: util::stream_format(stream, "anl a,#$%02X", params.r8(cpc++)); break;
+ case 0x54: util::stream_format(stream, "call $2%02X", params.r8(cpc++)); flags = STEP_OVER; break;
case 0x55: util::stream_format(stream, "strt t"); break;
- case 0x56: util::stream_format(stream, "jt1 $%03X", (pc & 0xf00) | *opram++); break;
+ case 0x56: util::stream_format(stream, "jt1 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0x57: util::stream_format(stream, "da a"); break;
case 0x58: util::stream_format(stream, "anl a,r0"); break;
case 0x59: util::stream_format(stream, "anl a,r1"); break;
@@ -125,7 +133,7 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0x60: util::stream_format(stream, "add a,@r0"); break;
case 0x61: util::stream_format(stream, "add a,@r1"); break;
case 0x62: util::stream_format(stream, "mov t,a"); break;
- case 0x64: util::stream_format(stream, "jmp $3%02X", *opram++); break;
+ case 0x64: util::stream_format(stream, "jmp $3%02X", params.r8(cpc++)); break;
case 0x65: util::stream_format(stream, "stop tcnt"); break;
case 0x67: util::stream_format(stream, "rrc a"); break;
case 0x68: util::stream_format(stream, "add a,r0"); break;
@@ -138,14 +146,14 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0x6f: util::stream_format(stream, "add a,r7"); break;
case 0x70: util::stream_format(stream, "addc a,@r0"); break;
case 0x71: util::stream_format(stream, "addc a,@r1"); break;
- case 0x72: util::stream_format(stream, "jb3 $%03X", (pc & 0xf00) | *opram++); break;
- case 0x74: util::stream_format(stream, "call $3%02X", *opram++); flags = DASMFLAG_STEP_OVER; break;
- case 0x75: if (!upi41)
+ case 0x72: util::stream_format(stream, "jb3 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
+ case 0x74: util::stream_format(stream, "call $3%02X", params.r8(cpc++)); flags = STEP_OVER; break;
+ case 0x75: if (!m_upi41)
util::stream_format(stream, "ent0 clk");
else
util::stream_format(stream, "illegal");
break;
- case 0x76: util::stream_format(stream, "jf1 $%03X", (pc & 0xf00) | *opram++); break;
+ case 0x76: util::stream_format(stream, "jf1 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0x77: util::stream_format(stream, "rr a"); break;
case 0x78: util::stream_format(stream, "addc a,r0"); break;
case 0x79: util::stream_format(stream, "addc a,r1"); break;
@@ -155,58 +163,58 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0x7d: util::stream_format(stream, "addc a,r5"); break;
case 0x7e: util::stream_format(stream, "addc a,r6"); break;
case 0x7f: util::stream_format(stream, "addc a,r7"); break;
- case 0x80: if (!upi41)
+ case 0x80: if (!m_upi41)
util::stream_format(stream, "movx a,@r0");
else
util::stream_format(stream, "illegal");
break;
- case 0x81: if (!upi41)
+ case 0x81: if (!m_upi41)
util::stream_format(stream, "movx a,@r1");
else
util::stream_format(stream, "illegal");
break;
- case 0x83: util::stream_format(stream, "ret"); flags = DASMFLAG_STEP_OUT; break;
- case 0x84: util::stream_format(stream, "jmp $4%02X", *opram++); break;
+ case 0x83: util::stream_format(stream, "ret"); flags = STEP_OUT; break;
+ case 0x84: util::stream_format(stream, "jmp $4%02X", params.r8(cpc++)); break;
case 0x85: util::stream_format(stream, "clr f0"); break;
- case 0x86: if (!upi41)
- util::stream_format(stream, "jni $%03X", (pc & 0xf00) | *opram++);
+ case 0x86: if (!m_upi41)
+ util::stream_format(stream, "jni $%03X", (pc & 0xf00) | params.r8(cpc++));
else
- util::stream_format(stream, "jobf $%03X", (pc & 0xf00) | *opram++);
+ util::stream_format(stream, "jobf $%03X", (pc & 0xf00) | params.r8(cpc++));
break;
- case 0x88: if (!upi41)
- util::stream_format(stream, "orl bus,#$%02X", *opram++);
+ case 0x88: if (!m_upi41)
+ util::stream_format(stream, "orl bus,#$%02X", params.r8(cpc++));
else
util::stream_format(stream, "illegal");
break;
- case 0x89: util::stream_format(stream, "orl p1,#$%02X", *opram++); break;
- case 0x8a: util::stream_format(stream, "orl p2,#$%02X", *opram++); break;
+ case 0x89: util::stream_format(stream, "orl p1,#$%02X", params.r8(cpc++)); break;
+ case 0x8a: util::stream_format(stream, "orl p2,#$%02X", params.r8(cpc++)); break;
case 0x8c: util::stream_format(stream, "orld p4,a"); break;
case 0x8d: util::stream_format(stream, "orld p5,a"); break;
case 0x8e: util::stream_format(stream, "orld p6,a"); break;
case 0x8f: util::stream_format(stream, "orld p7,a"); break;
- case 0x90: if (!upi41)
+ case 0x90: if (!m_upi41)
util::stream_format(stream, "movx @r0,a");
else
util::stream_format(stream, "mov sts,a");
break;
- case 0x91: if (!upi41)
+ case 0x91: if (!m_upi41)
util::stream_format(stream, "movx @r1,a");
else
util::stream_format(stream, "illegal");
break;
- case 0x92: util::stream_format(stream, "jb4 $%03X", (pc & 0xf00) | *opram++); break;
- case 0x93: util::stream_format(stream, "retr"); flags = DASMFLAG_STEP_OUT; break;
- case 0x94: util::stream_format(stream, "call $4%02X", *opram++); flags = DASMFLAG_STEP_OVER; break;
+ case 0x92: util::stream_format(stream, "jb4 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
+ case 0x93: util::stream_format(stream, "retr"); flags = STEP_OUT; break;
+ case 0x94: util::stream_format(stream, "call $4%02X", params.r8(cpc++)); flags = STEP_OVER; break;
case 0x95: util::stream_format(stream, "cpl f0"); break;
- case 0x96: util::stream_format(stream, "jnz $%03X", (pc & 0xf00) | *opram++); break;
+ case 0x96: util::stream_format(stream, "jnz $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0x97: util::stream_format(stream, "clr c"); break;
- case 0x98: if (!upi41)
- util::stream_format(stream, "anl bus,#$%02X", *opram++);
+ case 0x98: if (!m_upi41)
+ util::stream_format(stream, "anl bus,#$%02X", params.r8(cpc++));
else
util::stream_format(stream, "illegal");
break;
- case 0x99: util::stream_format(stream, "anl p1,#$%02X", *opram++); break;
- case 0x9a: util::stream_format(stream, "anl p2,#$%02X", *opram++); break;
+ case 0x99: util::stream_format(stream, "anl p1,#$%02X", params.r8(cpc++)); break;
+ case 0x9a: util::stream_format(stream, "anl p2,#$%02X", params.r8(cpc++)); break;
case 0x9c: util::stream_format(stream, "anld p4,a"); break;
case 0x9d: util::stream_format(stream, "anld p5,a"); break;
case 0x9e: util::stream_format(stream, "anld p6,a"); break;
@@ -214,7 +222,7 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0xa0: util::stream_format(stream, "mov @r0,a"); break;
case 0xa1: util::stream_format(stream, "mov @r1,a"); break;
case 0xa3: util::stream_format(stream, "movp a,@a"); break;
- case 0xa4: util::stream_format(stream, "jmp $5%02X", *opram++); break;
+ case 0xa4: util::stream_format(stream, "jmp $5%02X", params.r8(cpc++)); break;
case 0xa5: util::stream_format(stream, "clr f1"); break;
case 0xa7: util::stream_format(stream, "cpl c"); break;
case 0xa8: util::stream_format(stream, "mov r0,a"); break;
@@ -225,24 +233,24 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0xad: util::stream_format(stream, "mov r5,a"); break;
case 0xae: util::stream_format(stream, "mov r6,a"); break;
case 0xaf: util::stream_format(stream, "mov r7,a"); break;
- case 0xb0: util::stream_format(stream, "mov @r0,#$%02X", *opram++); break;
- case 0xb1: util::stream_format(stream, "mov @r1,#$%02X", *opram++); break;
- case 0xb2: util::stream_format(stream, "jb5 $%03X", (pc & 0xf00) | *opram++); break;
+ case 0xb0: util::stream_format(stream, "mov @r0,#$%02X", params.r8(cpc++)); break;
+ case 0xb1: util::stream_format(stream, "mov @r1,#$%02X", params.r8(cpc++)); break;
+ case 0xb2: util::stream_format(stream, "jb5 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0xb3: util::stream_format(stream, "jmpp @a"); break;
- case 0xb4: util::stream_format(stream, "call $5%02X", *opram++); flags = DASMFLAG_STEP_OVER; break;
+ case 0xb4: util::stream_format(stream, "call $5%02X", params.r8(cpc++)); flags = STEP_OVER; break;
case 0xb5: util::stream_format(stream, "cpl f1"); break;
- case 0xb6: util::stream_format(stream, "jf0 $%03X", (pc & 0xf00) | *opram++); break;
- case 0xb8: util::stream_format(stream, "mov r0,#$%02X", *opram++); break;
- case 0xb9: util::stream_format(stream, "mov r1,#$%02X", *opram++); break;
- case 0xba: util::stream_format(stream, "mov r2,#$%02X", *opram++); break;
- case 0xbb: util::stream_format(stream, "mov r3,#$%02X", *opram++); break;
- case 0xbc: util::stream_format(stream, "mov r4,#$%02X", *opram++); break;
- case 0xbd: util::stream_format(stream, "mov r5,#$%02X", *opram++); break;
- case 0xbe: util::stream_format(stream, "mov r6,#$%02X", *opram++); break;
- case 0xbf: util::stream_format(stream, "mov r7,#$%02X", *opram++); break;
- case 0xc4: util::stream_format(stream, "jmp $6%02X", *opram++); break;
+ case 0xb6: util::stream_format(stream, "jf0 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
+ case 0xb8: util::stream_format(stream, "mov r0,#$%02X", params.r8(cpc++)); break;
+ case 0xb9: util::stream_format(stream, "mov r1,#$%02X", params.r8(cpc++)); break;
+ case 0xba: util::stream_format(stream, "mov r2,#$%02X", params.r8(cpc++)); break;
+ case 0xbb: util::stream_format(stream, "mov r3,#$%02X", params.r8(cpc++)); break;
+ case 0xbc: util::stream_format(stream, "mov r4,#$%02X", params.r8(cpc++)); break;
+ case 0xbd: util::stream_format(stream, "mov r5,#$%02X", params.r8(cpc++)); break;
+ case 0xbe: util::stream_format(stream, "mov r6,#$%02X", params.r8(cpc++)); break;
+ case 0xbf: util::stream_format(stream, "mov r7,#$%02X", params.r8(cpc++)); break;
+ case 0xc4: util::stream_format(stream, "jmp $6%02X", params.r8(cpc++)); break;
case 0xc5: util::stream_format(stream, "sel rb0"); break;
- case 0xc6: util::stream_format(stream, "jz $%03X", (pc & 0xf00) | *opram++); break;
+ case 0xc6: util::stream_format(stream, "jz $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0xc7: util::stream_format(stream, "mov a,psw"); break;
case 0xc8: util::stream_format(stream, "dec r0"); break;
case 0xc9: util::stream_format(stream, "dec r1"); break;
@@ -254,14 +262,14 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0xcf: util::stream_format(stream, "dec r7"); break;
case 0xd0: util::stream_format(stream, "xrl a,@r0"); break;
case 0xd1: util::stream_format(stream, "xrl a,@r1"); break;
- case 0xd2: util::stream_format(stream, "jb6 $%03X", (pc & 0xf00) | *opram++); break;
- case 0xd3: util::stream_format(stream, "xrl a,#$%02X", *opram++); break;
- case 0xd4: util::stream_format(stream, "call $6%02X", *opram++); flags = DASMFLAG_STEP_OVER; break;
+ case 0xd2: util::stream_format(stream, "jb6 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
+ case 0xd3: util::stream_format(stream, "xrl a,#$%02X", params.r8(cpc++)); break;
+ case 0xd4: util::stream_format(stream, "call $6%02X", params.r8(cpc++)); flags = STEP_OVER; break;
case 0xd5: util::stream_format(stream, "sel rb1"); break;
- case 0xd6: if (!upi41)
+ case 0xd6: if (!m_upi41)
util::stream_format(stream, "illegal");
else
- util::stream_format(stream, "jnibf $%03X", (pc & 0xf00) | *opram++);
+ util::stream_format(stream, "jnibf $%03X", (pc & 0xf00) | params.r8(cpc++));
break;
case 0xd7: util::stream_format(stream, "mov psw,a"); break;
case 0xd8: util::stream_format(stream, "xrl a,r0"); break;
@@ -273,32 +281,32 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
case 0xde: util::stream_format(stream, "xrl a,r6"); break;
case 0xdf: util::stream_format(stream, "xrl a,r7"); break;
case 0xe3: util::stream_format(stream, "movp3 a,@a"); break;
- case 0xe4: util::stream_format(stream, "jmp $7%02X", *opram++); break;
- case 0xe5: if (!upi41)
+ case 0xe4: util::stream_format(stream, "jmp $7%02X", params.r8(cpc++)); break;
+ case 0xe5: if (!m_upi41)
util::stream_format(stream, "sel mb0");
else
util::stream_format(stream, "en dma");
break;
- case 0xe6: util::stream_format(stream, "jnc $%03X", (pc & 0xf00) | *opram++); break;
+ case 0xe6: util::stream_format(stream, "jnc $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0xe7: util::stream_format(stream, "rl a"); break;
- case 0xe8: util::stream_format(stream, "djnz r0,$%03X", (pc & 0xf00) | *opram++); flags = DASMFLAG_STEP_OVER; break;
- case 0xe9: util::stream_format(stream, "djnz r1,$%03X", (pc & 0xf00) | *opram++); flags = DASMFLAG_STEP_OVER; break;
- case 0xea: util::stream_format(stream, "djnz r2,$%03X", (pc & 0xf00) | *opram++); flags = DASMFLAG_STEP_OVER; break;
- case 0xeb: util::stream_format(stream, "djnz r3,$%03X", (pc & 0xf00) | *opram++); flags = DASMFLAG_STEP_OVER; break;
- case 0xec: util::stream_format(stream, "djnz r4,$%03X", (pc & 0xf00) | *opram++); flags = DASMFLAG_STEP_OVER; break;
- case 0xed: util::stream_format(stream, "djnz r5,$%03X", (pc & 0xf00) | *opram++); flags = DASMFLAG_STEP_OVER; break;
- case 0xee: util::stream_format(stream, "djnz r6,$%03X", (pc & 0xf00) | *opram++); flags = DASMFLAG_STEP_OVER; break;
- case 0xef: util::stream_format(stream, "djnz r7,$%03X", (pc & 0xf00) | *opram++); flags = DASMFLAG_STEP_OVER; break;
+ case 0xe8: util::stream_format(stream, "djnz r0,$%03X", (pc & 0xf00) | params.r8(cpc++)); flags = STEP_OVER; break;
+ case 0xe9: util::stream_format(stream, "djnz r1,$%03X", (pc & 0xf00) | params.r8(cpc++)); flags = STEP_OVER; break;
+ case 0xea: util::stream_format(stream, "djnz r2,$%03X", (pc & 0xf00) | params.r8(cpc++)); flags = STEP_OVER; break;
+ case 0xeb: util::stream_format(stream, "djnz r3,$%03X", (pc & 0xf00) | params.r8(cpc++)); flags = STEP_OVER; break;
+ case 0xec: util::stream_format(stream, "djnz r4,$%03X", (pc & 0xf00) | params.r8(cpc++)); flags = STEP_OVER; break;
+ case 0xed: util::stream_format(stream, "djnz r5,$%03X", (pc & 0xf00) | params.r8(cpc++)); flags = STEP_OVER; break;
+ case 0xee: util::stream_format(stream, "djnz r6,$%03X", (pc & 0xf00) | params.r8(cpc++)); flags = STEP_OVER; break;
+ case 0xef: util::stream_format(stream, "djnz r7,$%03X", (pc & 0xf00) | params.r8(cpc++)); flags = STEP_OVER; break;
case 0xf0: util::stream_format(stream, "mov a,@r0"); break;
case 0xf1: util::stream_format(stream, "mov a,@r1"); break;
- case 0xf2: util::stream_format(stream, "jb7 $%03X", (pc & 0xf00) | *opram++); break;
- case 0xf4: util::stream_format(stream, "call $7%02X", *opram++); flags = DASMFLAG_STEP_OVER; break;
- case 0xf5: if (!upi41)
+ case 0xf2: util::stream_format(stream, "jb7 $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
+ case 0xf4: util::stream_format(stream, "call $7%02X", params.r8(cpc++)); flags = STEP_OVER; break;
+ case 0xf5: if (!m_upi41)
util::stream_format(stream, "sel mb1");
else
util::stream_format(stream, "en flags");
break;
- case 0xf6: util::stream_format(stream, "jc $%03X", (pc & 0xf00) | *opram++); break;
+ case 0xf6: util::stream_format(stream, "jc $%03X", (pc & 0xf00) | params.r8(cpc++)); break;
case 0xf7: util::stream_format(stream, "rlc a"); break;
case 0xf8: util::stream_format(stream, "mov a,r0"); break;
case 0xf9: util::stream_format(stream, "mov a,r1"); break;
@@ -311,17 +319,5 @@ static uint32_t common_dasm(device_t *device, std::ostream &stream, offs_t pc, c
default: util::stream_format(stream, "illegal"); break;
}
- return (opram - startram) | flags | DASMFLAG_SUPPORTED;
-}
-
-
-CPU_DISASSEMBLE( mcs48 )
-{
- return common_dasm(device, stream, pc, oprom, opram, false);
-}
-
-
-CPU_DISASSEMBLE( upi41 )
-{
- return common_dasm(device, stream, pc, oprom, opram, true);
+ return (cpc - pc) | flags | SUPPORTED;
}