emul/ukncbtl-utils
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SavDisasm: FIS instructions.

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This commit is contained in:
nzeemin 2021-04-24 01:28:30 +03:00
parent d8e256bd15
commit 2421ac7045
3 changed files with 24 additions and 24 deletions
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6
Sav2BkBin/Sav2BkBin-VS2013.vcxproj.user
View File

@ -1,6 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<ShowAllFiles>true</ShowAllFiles>
</PropertyGroup>
</Project>

40
SavDisasm/Disasm.cpp
View File

@ -22,12 +22,12 @@ UKNCBTL. If not, see <http://www.gnu.org/licenses/>. */
const char* REGISTER_NAME[] = { ("R0"), ("R1"), ("R2"), ("R3"), ("R4"), ("R5"), ("SP"), ("PC") };
// Ôîðìàò îòîáðàæåíèÿ ðåæèìîâ àäðåñàöèè
const LPCSTR ADDRESS_MODE_FORMAT[] =
const char * ADDRESS_MODE_FORMAT[] =
{
("%s"), ("(%s)"), ("(%s)+"), ("@(%s)+"), ("-(%s)"), ("@-(%s)"), ("%06o(%s)"), ("@%06o(%s)")
};
// Ôîðìàò îòîáðàæåíèÿ ðåæèìîâ àäðåñàöèè äëÿ ðåãèñòðà PC
const LPCSTR ADDRESS_MODE_PC_FORMAT[] =
const char * ADDRESS_MODE_PC_FORMAT[] =
{
("PC"), ("(PC)"), ("#%06o"), ("@#%06o"), ("-(PC)"), ("@-(PC)"), ("%06o"), ("@%06o")
};
@ -38,11 +38,11 @@ uint16_t ConvertSrcToString(uint16_t instr, uint16_t addr, char* strSrc, uint16_
uint8_t reg = GetDigit(instr, 2);
uint8_t param = GetDigit(instr, 3);
LPCSTR pszReg = REGISTER_NAME[reg];
const char * pszReg = REGISTER_NAME[reg];
if (reg != 7)
{
LPCSTR format = ADDRESS_MODE_FORMAT[param];
const char * format = ADDRESS_MODE_FORMAT[param];
if (param == 6 || param == 7)
{
@ -55,7 +55,7 @@ uint16_t ConvertSrcToString(uint16_t instr, uint16_t addr, char* strSrc, uint16_
}
else
{
LPCSTR format = ADDRESS_MODE_PC_FORMAT[param];
const char * format = ADDRESS_MODE_PC_FORMAT[param];
if (param == 2 || param == 3)
{
@ -82,11 +82,11 @@ uint16_t ConvertDstToString (uint16_t instr, uint16_t addr, char* strDst, uint16
uint8_t reg = GetDigit(instr, 0);
uint8_t param = GetDigit(instr, 1);
LPCSTR pszReg = REGISTER_NAME[reg];
const char * pszReg = REGISTER_NAME[reg];
if (reg != 7)
{
LPCSTR format = ADDRESS_MODE_FORMAT[param];
const char * format = ADDRESS_MODE_FORMAT[param];
if (param == 6 || param == 7)
{
@ -98,7 +98,7 @@ uint16_t ConvertDstToString (uint16_t instr, uint16_t addr, char* strDst, uint16
}
else
{
LPCSTR format = ADDRESS_MODE_PC_FORMAT[param];
const char * format = ADDRESS_MODE_PC_FORMAT[param];
if (param == 2 || param == 3)
{
@ -130,7 +130,7 @@ uint16_t DisassembleInstruction(const uint16_t* pMemory, uint16_t addr, char* st
uint16_t instr = *pMemory;
uint16_t length = 1;
LPCSTR strReg = NULL;
const char * strReg = nullptr;
char strSrc[24];
char strDst[24];
bool okByte;
@ -196,15 +196,23 @@ uint16_t DisassembleInstruction(const uint16_t* pMemory, uint16_t addr, char* st
if (GetDigit(instr, 0) == 7)
{
strcpy(strInstr, ("RETURN"));
return 1;
}
else
{
strcpy(strInstr, ("RTS"));
strcpy(strArg, REGISTER_NAME[GetDigit(instr, 0)]);
}
strcpy(strInstr, ("RTS"));
strcpy(strArg, REGISTER_NAME[GetDigit(instr, 0)]);
return 1;
}
// FIS
switch (instr & ~(uint16_t)7)
{
case PI_FADD: strcpy(strInstr, ("FADD")); strcpy(strArg, REGISTER_NAME[GetDigit(instr, 0)]); return 1;
case PI_FSUB: strcpy(strInstr, ("FSUB")); strcpy(strArg, REGISTER_NAME[GetDigit(instr, 0)]); return 1;
case PI_FMUL: strcpy(strInstr, ("FMUL")); strcpy(strArg, REGISTER_NAME[GetDigit(instr, 0)]); return 1;
case PI_FDIV: strcpy(strInstr, ("FDIV")); strcpy(strArg, REGISTER_NAME[GetDigit(instr, 0)]); return 1;
}
// Two fields
length += ConvertDstToString(instr, addr + 2, strDst, pMemory[1]);
@ -263,8 +271,8 @@ uint16_t DisassembleInstruction(const uint16_t* pMemory, uint16_t addr, char* st
switch (instr & ~(uint16_t)0377)
{
case PI_EMT: strcpy(strInstr, ("EMT")); strcpy(strArg, strDst); return 1;
case PI_TRAP: strcpy(strInstr, ("TRAP")); strcpy(strArg, strDst); return 1;
case PI_EMT: strcpy(strInstr, ("EMT")); strcpy(strArg, strDst + 3); return 1;
case PI_TRAP: strcpy(strInstr, ("TRAP")); strcpy(strArg, strDst + 3); return 1;
}
// Three fields

2
SavDisasm/SavDisasm.h
View File

@ -25,8 +25,6 @@ UKNCBTL. If not, see <http://www.gnu.org/licenses/>. */
#include <fstream>
#include <iomanip>
typedef const char * LPCSTR;
// Define C99 stdint.h types for Visual Studio
#ifdef _MSC_VER
typedef unsigned __int8 uint8_t;