6502/emu816
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This commit is contained in:
andrew-jacobs 2017-11-24 14:40:47 +00:00
parent ced9cfec50
commit 3fc78c08a6
3 changed files with 21 additions and 19 deletions
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4
emu816.cc
View File

@ -525,7 +525,9 @@ void emu816::bytes(unsigned int count)
// Display registers and top of stack
void emu816::dump(const char *mnem, Addr ea)
{
cout << mnem << " {" << toHex(ea, 4) << '}';
cout << mnem << " {";
cout << toHex(ea >> 16, 2) << ':';
cout << toHex(ea, 4) << '}';
cout << " E=" << toHex(e, 1);
cout << " P=" <<

34
emu816.h
View File

@ -178,7 +178,7 @@ private:
// Absolute Indexed Indirect - (a,X)
INLINE static Addr am_abxi()
{
register Addr ia = join(pbr, getWord(bank(pbr) | pc)) + x.w;
register Addr ia = join(pbr, getWord(join(pbr, pc))) + x.w;
BYTES(2);
cycles += 4;
@ -188,7 +188,7 @@ private:
// Absolute Long - >a
INLINE static Addr am_alng()
{
Addr ea = getAddr(bank(pbr) | pc);
Addr ea = getAddr(join(pbr, pc));
BYTES(3);
cycles += 3;
@ -198,7 +198,7 @@ private:
// Absolute Long Indexed - >a,X
INLINE static Addr am_alnx()
{
register Addr ea = getAddr(bank(pbr) | pc) + x.w;
register Addr ea = getAddr(join(pbr, pc)) + x.w;
BYTES(3);
cycles += 3;
@ -208,7 +208,7 @@ private:
// Absolute Indirect Long - [a]
INLINE static Addr am_abil()
{
register Addr ia = bank(0) | getWord(bank(pbr) | pc);
register Addr ia = bank(0) | getWord(join(pbr, pc));
BYTES(2);
cycles += 5;
@ -258,7 +258,7 @@ private:
// Direct Page Indexed Indirect - (d,x)
INLINE static Addr am_dpix()
{
Byte disp = getByte(bank(pbr) | pc);
Byte disp = getByte(join(pbr, pc));
BYTES(1);
cycles += 3;
@ -268,7 +268,7 @@ private:
// Direct Page Indirect Indexed - (d),Y
INLINE static Addr am_dpiy()
{
Byte disp = getByte(bank(pbr) | pc);
Byte disp = getByte(join(pbr, pc));
BYTES(1);
cycles += 3;
@ -278,7 +278,7 @@ private:
// Direct Page Indirect Long - [d]
INLINE static Addr am_dpil()
{
Byte disp = getByte(bank(pbr) | pc);
Byte disp = getByte(join(pbr, pc));
BYTES(1);
cycles += 4;
@ -288,7 +288,7 @@ private:
// Direct Page Indirect Long Indexed - [d],Y
INLINE static Addr am_dily()
{
Byte disp = getByte(bank(pbr) | pc);
Byte disp = getByte(join(pbr, pc));
BYTES(1);
cycles += 4;
@ -332,7 +332,7 @@ private:
// Immediate based on size of A/M
INLINE static Addr am_immm()
{
Addr ea = bank(pbr) | pc;
Addr ea = join (pbr, pc);
unsigned int size = (e || p.f_m) ? 1 : 2;
BYTES(size);
@ -343,7 +343,7 @@ private:
// Immediate based on size of X/Y
INLINE static Addr am_immx()
{
Addr ea = bank(pbr) | pc;
Addr ea = join(pbr, pc);
unsigned int size = (e || p.f_x) ? 1 : 2;
BYTES(size);
@ -354,7 +354,7 @@ private:
// Long Relative - d
INLINE static Addr am_lrel()
{
Word disp = getWord(bank(pbr) | pc);
Word disp = getWord(join(pbr, pc));
BYTES(2);
cycles += 2;
@ -364,7 +364,7 @@ private:
// Relative - d
INLINE static Addr am_rela()
{
Byte disp = getByte(bank(pbr) | pc);
Byte disp = getByte(join(pbr, pc));
BYTES(1);
cycles += 1;
@ -374,7 +374,7 @@ private:
// Stack Relative - d,S
INLINE static Addr am_srel()
{
Byte disp = getByte(bank(pbr) | pc);
Byte disp = getByte(join(pbr, pc));
BYTES(1);
cycles += 1;
@ -388,7 +388,7 @@ private:
// Stack Relative Indirect Indexed Y - (d,S),Y
INLINE static Addr am_sriy()
{
Byte disp = getByte(bank(pbr) | pc);
Byte disp = getByte(join(pbr, pc));
register Word ia;
BYTES(1);
@ -857,14 +857,14 @@ private:
if (e || p.f_m) {
register Byte data = getByte(ea);
setByte(ea, ++data);
setByte(ea, --data);
setnz_b(data);
cycles += 4;
}
else {
register Word data = getWord(ea);
setWord(ea, ++data);
setWord(ea, --data);
setnz_w(data);
cycles += 5;
}
@ -1435,7 +1435,7 @@ private:
{
TRACE("RTL");
pc = pullWord();
pc = pullWord() + 1;
pbr = pullByte();
cycles += 6;
}

2
emu816.vcxproj.user
View File

@ -1,7 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<LocalDebuggerCommandArguments>-t examples/simple/simple.s28</LocalDebuggerCommandArguments>
<LocalDebuggerCommandArguments>-t C:\OpenSource\W65C816\os-816\src\kernel\chipkit.s28</LocalDebuggerCommandArguments>
<DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">