2012-03-23 16:14:15 +00:00
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module test.base;
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2012-03-31 19:44:23 +00:00
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import std.algorithm, std.conv, std.exception, std.range, std.string;
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2012-03-23 16:14:15 +00:00
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2012-03-31 19:44:23 +00:00
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import test.cpu, test.opcodes;
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2012-03-23 16:14:15 +00:00
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2012-03-25 08:25:41 +00:00
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/*
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* Emulates zero page, stack, and 3 additional pages of "main memory"
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* starting at a user-defined address. Accesses outside the defined
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* address space raise an exception.
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2012-03-23 16:14:15 +00:00
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*/
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struct TestMemory
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{
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2012-03-25 08:25:41 +00:00
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private:
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2012-03-23 16:14:15 +00:00
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ubyte[0x200] data1;
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ubyte[0x300] data2;
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immutable ushort data2_base;
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immutable size_t data2_max;
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2012-03-25 08:25:41 +00:00
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public:
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/*
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* Constructs a TestMemory with data filled in from an array of
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* Blocks.
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*
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* The blocks do not need to be contiguous, or ordered by their
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2012-03-31 19:44:23 +00:00
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* base address, but note that the base of the 3-page "main
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* memory" will be the start of the page that contains the first
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* block with a base address greater than 0x01FF (there must be at
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* least one such block).
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2012-03-25 08:25:41 +00:00
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*/
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this(const Block[] blocks ...)
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2012-03-23 16:14:15 +00:00
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{
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foreach (block; blocks)
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{
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auto base = block.base;
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auto data = block.data;
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if (base < 0x200)
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{
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enforce(base + data.length <= 0x200,
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format("Address out of bounds %0.4x", base));
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2012-03-25 08:25:41 +00:00
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data1[base..base + data.length] = data[];
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2012-03-23 16:14:15 +00:00
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}
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else
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{
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if (!data2_base)
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{
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2012-03-25 08:25:41 +00:00
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if (base > 0xFD00)
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data2_base = 0xFD00;
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else
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2012-03-31 19:44:23 +00:00
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data2_base = base & 0xFF00;
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data2_max = data2_base + 0x300;
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2012-03-23 16:14:15 +00:00
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}
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enforce(base + data.length <= data2_max,
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format("Address out of bounds %0.4x", base));
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2012-03-25 08:25:41 +00:00
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auto last = base + data.length;
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data2[base-data2_base..last-data2_base] = data[];
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2012-03-23 16:14:15 +00:00
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}
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}
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enforce(data2_base, "Missing memory > 0x0200");
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}
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ubyte read(ushort addr)
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{
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if (addr < 0x0200)
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return data1[addr];
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else if (addr >= data2_base && addr < data2_max)
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return data2[addr - data2_base];
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else
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throw new TestException(format("read %0.4x", addr));
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}
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void write(ushort addr, ubyte val)
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{
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if (addr < 0x0200)
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data1[addr] = val;
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else if (addr >= data2_base && addr < data2_max)
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data2[addr - data2_base] = val;
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else
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throw new TestException(format("write %0.4x", addr));
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}
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ubyte opIndex(size_t i1)
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{
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auto addr = cast(ushort)i1;
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enforce(addr < 0x0200 || (addr >= data2_base && addr < data2_max),
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"Read out of bounds");
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return read(addr);
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}
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}
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2012-03-25 08:25:41 +00:00
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/*
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* A block of memory with a given base address.
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*/
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struct Block
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2012-03-23 16:14:15 +00:00
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{
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2012-03-25 08:25:41 +00:00
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ushort base;
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ubyte[] data;
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string toString() const
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{
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return format("Block(%0.4X, %s)", base, formatMemory());
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}
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2012-03-23 16:14:15 +00:00
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2012-03-25 08:25:41 +00:00
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string formatMemory(int max = 3) const
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{
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if (max > data.length) max = data.length;
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auto hexbytes = map!(`format("%0.2X", a)`)(data[0..max]);
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auto ret = join(array(hexbytes), " ");
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if (data.length > max)
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ret ~= format(" (%d more bytes)", data.length - max);
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return "[" ~ ret ~ "]";
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}
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2012-03-23 16:14:15 +00:00
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}
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2012-03-25 08:25:41 +00:00
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template addrsetup_t(T)
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{
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alias Block[] delegate(T, out ushort, out string) addrsetup_t;
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}
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template datasetup_t(T)
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{
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alias Block[] delegate(T, ushort, out string) datasetup_t;
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}
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auto setup_address_none(T)(ubyte opcode)
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if (isCpu!T)
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{
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return cast(addrsetup_t!T[])[];
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}
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auto setup_address_imm(T)(ubyte opcode)
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if (isCpu!T)
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{
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assert(IMM_OPS!T.canFind(opcode));
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auto setup(T cpu, out ushort addr, out string name)
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{
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name = "imm";
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addr = 0x1001;
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode])];
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}
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return [&setup];
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}
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auto setup_address_zpg(T)(ubyte opcode)
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if (isCpu!T)
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{
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assert(ZPG_OPS!T.canFind(opcode));
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auto setup(T cpu, out ushort addr, out string name)
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{
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name = "zpg";
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addr = 0x0070;
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode, 0x70])];
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}
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return [&setup];
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}
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auto setup_address_zpxy(T)(ubyte opcode)
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if (isCpu!T)
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{
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bool useX = ZPX_OPS!T.canFind(opcode);
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assert(useX || ZPY_OPS!T.canFind(opcode));
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auto setup(T cpu, out ushort addr, out string name, ubyte idx,
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ubyte opcode)
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{
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name = (useX ? "zpx" : "zpy");
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addr = pageWrapAdd(0x0070, idx);
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if (useX)
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2012-03-23 16:14:15 +00:00
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{
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2012-03-25 08:25:41 +00:00
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setX(cpu, idx); setY(cpu, 0x10);
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2012-03-23 16:14:15 +00:00
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}
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2012-03-25 08:25:41 +00:00
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else
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{
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setY(cpu, idx); setX(cpu, 0x10);
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}
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode, 0x70])];
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}
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auto setup_nowrap(T cpu, out ushort addr, out string name)
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{
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auto ret = setup(cpu, addr, name, 0x20, opcode);
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name ~= " no-wrap";
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return ret;
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}
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auto setup_wrap(T cpu, out ushort addr, out string name)
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{
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auto ret = setup(cpu, addr, name, 0xA0, opcode);
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name ~= " wrap";
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return ret;
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}
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return [&setup_nowrap, &setup_wrap];
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}
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auto setup_address_abs(T)(ubyte opcode)
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if (isCpu!T)
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{
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assert(ABS_OPS!T.canFind(opcode));
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auto setup(T cpu, out ushort addr, out string name)
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{
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name = "abs";
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addr = 0x10C5;
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode, 0xC5, 0x10])];
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2012-03-23 16:14:15 +00:00
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}
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2012-03-25 08:25:41 +00:00
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return [&setup];
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2012-03-23 16:14:15 +00:00
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}
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2012-03-25 08:25:41 +00:00
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auto setup_address_zpi(T)(ubyte opcode)
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if (isCpu!T && isCMOS!T)
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{
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assert(ZPI_OPS!T.canFind(opcode));
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auto setup_nowrap(T cpu, out ushort addr, out string name)
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{
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name = "zpi no-wrap";
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addr = 0x10C5;
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode, 0x70]),
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Block(0x0070, [0xC5, 0x10])];
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}
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2012-03-23 16:14:15 +00:00
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2012-03-25 08:25:41 +00:00
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auto setup_wrap(T cpu, out ushort addr, out string name)
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{
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name = "zpi wrap";
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addr = 0x10C5;
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode, 0xFF]),
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Block(0x00FF, [0xC5]),
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Block(0x0000, [0x10])];
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}
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2012-03-23 16:14:15 +00:00
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2012-03-25 08:25:41 +00:00
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return [&setup_nowrap, &setup_wrap];
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}
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auto setup_address_izx(T)(ubyte opcode)
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if (isCpu!T)
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2012-03-23 16:14:15 +00:00
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{
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2012-03-25 08:25:41 +00:00
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assert(IZX_OPS!T.canFind(opcode));
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2012-03-23 16:14:15 +00:00
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2012-03-25 08:25:41 +00:00
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auto setup_nowrap(T cpu, out ushort addr, out string name)
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{
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name = "izx no-wrap";
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addr = 0x10C5;
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setPC(cpu, 0x1000);
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setX(cpu, 0x20);
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return [Block(0x1000, [opcode, 0x70]),
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Block(0x0090, [0xC5, 0x10])];
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}
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auto setup_wrap(T cpu, out ushort addr, out string name)
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2012-03-23 16:14:15 +00:00
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{
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2012-03-25 08:25:41 +00:00
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name = "izx wrap";
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addr = 0x10C5;
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setPC(cpu, 0x1000);
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setX(cpu, 0x90);
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return [Block(0x1000, [opcode, 0x70]),
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Block(0x00FF, [0xC5]),
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Block(0x0000, [0x10])];
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2012-03-23 16:14:15 +00:00
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}
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2012-03-25 08:25:41 +00:00
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return [&setup_nowrap, &setup_wrap];
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2012-03-23 16:14:15 +00:00
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}
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2012-03-25 08:25:41 +00:00
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auto setup_address_izy(T)(ubyte opcode)
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2012-03-23 16:14:15 +00:00
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if (isCpu!T)
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{
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2012-03-25 08:25:41 +00:00
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assert(IZY_OPS!T.canFind(opcode));
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2012-03-23 16:14:15 +00:00
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2012-03-25 08:25:41 +00:00
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auto setup_nowrap(T cpu, out ushort addr, out string name)
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{
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name = "izy no-wrap";
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addr = pageCrossAdd(0x10C5, 0x20);
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setY(cpu, 0x20);
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode, 0x70]),
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Block(0x0070, [0xC5, 0x10])];
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}
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2012-03-23 16:14:15 +00:00
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2012-03-25 08:25:41 +00:00
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auto setup_wrap(T cpu, out ushort addr, out string name)
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2012-03-23 16:14:15 +00:00
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{
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2012-03-25 08:25:41 +00:00
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name = "izy wrap";
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addr = pageCrossAdd(0x10C5, 0x20);
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setY(cpu, 0x20);
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode, 0xFF]),
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Block(0x00FF, [0xC5]),
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Block(0x0000, [0x10])];
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2012-03-23 16:14:15 +00:00
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}
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2012-03-25 08:25:41 +00:00
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auto setup_px(T cpu, out ushort addr, out string name)
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{
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name = "izy px";
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addr = pageCrossAdd(0x10C5, 0x50);
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setY(cpu, 0x50);
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode, 0x70]),
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Block(0x070, [0xC5, 0x10])];
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}
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return [&setup_nowrap, &setup_wrap, &setup_px];
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}
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auto setup_address_abxy(T)(ubyte opcode)
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if (isCpu!T)
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{
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bool useX = ABX_OPS!T.canFind(opcode);
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assert(useX || ABY_OPS!T.canFind(opcode));
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auto setup(T cpu, out ushort addr, out string name, ubyte idx,
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ubyte opcode)
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2012-03-23 16:14:15 +00:00
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{
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2012-03-25 08:25:41 +00:00
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name = (useX ? "abx" : "aby");
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addr = pageCrossAdd(0x10C5, idx);
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if (useX)
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{
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setX(cpu, idx); setY(cpu, 0x10);
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}
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else
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{
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setY(cpu, idx); setX(cpu, 0x10);
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}
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setPC(cpu, 0x1000);
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return [Block(0x1000, [opcode, 0xC5, 0x10])];
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2012-03-23 16:14:15 +00:00
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}
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2012-03-25 08:25:41 +00:00
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auto setup_no_px(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
auto ret = setup(cpu, addr, name, 0x20, opcode);
|
|
|
|
name ~= " no-px";
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_px(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
auto ret = setup(cpu, addr, name, 0x50, opcode);
|
|
|
|
name ~= " px";
|
|
|
|
return ret;
|
|
|
|
}
|
2012-03-23 16:14:15 +00:00
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
return [&setup_no_px, &setup_px];
|
2012-03-23 16:14:15 +00:00
|
|
|
}
|
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
auto setup_address_reg(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
static if (isNMOS!T)
|
|
|
|
assert(REG_OPS!T.canFind(opcode));
|
|
|
|
else
|
|
|
|
assert(REG_OPS!T.canFind(opcode) || NOP1_OPS!T.canFind(opcode));
|
2012-03-23 16:14:15 +00:00
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
auto setup(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "register";
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
return [Block(0x1000, [opcode])];
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup];
|
|
|
|
}
|
2012-03-23 16:14:15 +00:00
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
auto setup_address_push(T)(ubyte opcode)
|
2012-03-23 16:14:15 +00:00
|
|
|
if (isCpu!T)
|
|
|
|
{
|
2012-03-25 08:25:41 +00:00
|
|
|
assert(PUSH_OPS!T.canFind(opcode));
|
2012-03-23 16:14:15 +00:00
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
auto setup_nowrap(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "non-wrapping";
|
|
|
|
setSP(cpu, 0xFE);
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
return [Block(0x1000, [opcode])];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_wrap(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "wrapping";
|
|
|
|
setSP(cpu, 0x00);
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
return [Block(0x1000, [opcode])];
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup_nowrap, &setup_wrap];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_address_pull(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(PULL_OPS!T.canFind(opcode));
|
|
|
|
|
|
|
|
auto setup_nowrap(T cpu, out ushort addr, out string name)
|
2012-03-23 16:14:15 +00:00
|
|
|
{
|
2012-03-25 08:25:41 +00:00
|
|
|
name = "non-wrapping";
|
|
|
|
setSP(cpu, 0x01);
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
return [Block(0x1000, [opcode])];
|
2012-03-23 16:14:15 +00:00
|
|
|
}
|
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
auto setup_wrap(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "wrapping";
|
|
|
|
setSP(cpu, 0xFF);
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
return [Block(0x1000, [opcode])];
|
|
|
|
}
|
2012-03-23 16:14:15 +00:00
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
return [&setup_nowrap, &setup_wrap];
|
2012-03-23 16:14:15 +00:00
|
|
|
}
|
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
auto setup_address_branch(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(BRANCH_OPS!T.canFind(opcode));
|
2012-03-23 16:14:15 +00:00
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
int count;
|
|
|
|
static string[5] names =
|
|
|
|
["no-branch", "forward", "forward-px", "backward", "backward-px"];
|
|
|
|
static ubyte[5] values = [0x10, 0x10, 0x7F, 0xFE, 0xF5];
|
|
|
|
|
|
|
|
auto setup(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = names[count];
|
|
|
|
if (name == "no-branch")
|
|
|
|
{
|
|
|
|
if (isNMOS!T || opcode != 0x80)
|
|
|
|
expectNoBranch(cpu, opcode);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
expectBranch(cpu, opcode);
|
|
|
|
}
|
|
|
|
if (name == "forward-px")
|
|
|
|
{
|
|
|
|
setPC(cpu, 0x1081);
|
2012-03-31 19:44:23 +00:00
|
|
|
return [Block(getPC(cpu), [opcode, values[count++]])];
|
2012-03-25 08:25:41 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
return [Block(getPC(cpu), [opcode, values[count++]])];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup, &setup, &setup, &setup, &setup];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_address_op_BRK(T)(ubyte opcode)
|
2012-03-23 16:14:15 +00:00
|
|
|
if (isCpu!T)
|
|
|
|
{
|
2012-03-25 08:25:41 +00:00
|
|
|
assert(opcode == 0x00);
|
|
|
|
|
|
|
|
auto setup(T cpu, out ushort addr)
|
|
|
|
{
|
|
|
|
addr = 0xFE55;
|
|
|
|
setPC(cpu, 0xFD00);
|
|
|
|
auto sp = getSP(cpu);
|
|
|
|
auto sp1 = pageWrapAdd(sp, -1);
|
|
|
|
return [Block(0xFD00, [0x00]),
|
|
|
|
Block(sp, [notXX(0xFD)]),
|
|
|
|
Block(sp1, [notXX(0x00)]),
|
|
|
|
// sp2 set by setup_data_op_BRK
|
|
|
|
Block(0xFFFE, [0x55, 0xFE])];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_nowrap(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "BRK no-wrap";
|
|
|
|
setSP(cpu, 0xFF);
|
|
|
|
return setup(cpu, addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_wrap(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "BRK wrap";
|
|
|
|
setSP(cpu, 0x01);
|
|
|
|
return setup(cpu, addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup_nowrap, &setup_wrap];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_address_op_JSR(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x20);
|
|
|
|
|
|
|
|
auto setup(T cpu, out ushort addr)
|
|
|
|
{
|
|
|
|
addr = 0x10C5;
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
auto sp = getSP(cpu);
|
|
|
|
auto sp1 = pageWrapAdd(sp, 1);
|
|
|
|
return [Block(0x1000, [0x20, 0xC5, 0x10]),
|
|
|
|
Block(sp, [notXX(0x10)]),
|
|
|
|
Block(sp1, [notXX(0x02)])];
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_nowrap(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "JSR no-wrap";
|
|
|
|
setSP(cpu, 0xFF);
|
|
|
|
return setup(cpu, addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_wrap(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "JSR wrap";
|
|
|
|
setSP(cpu, 0x00);
|
|
|
|
return setup(cpu, addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup_nowrap, &setup_wrap];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
auto setup_address_op_RTx(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x40 || opcode == 0x60);
|
|
|
|
|
|
|
|
auto setup(T cpu, out ushort addr, out string name, ubyte opcode)
|
|
|
|
{
|
|
|
|
name = (opcode == 0x40 ? "RTI" : "RTS");
|
|
|
|
addr = 0x1211;
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
auto sp = getSP(cpu);
|
|
|
|
auto sp2 = pageWrapAdd(sp, (opcode == 0x40 ? 2 : 1));
|
|
|
|
auto sp3 = pageWrapAdd(sp, (opcode == 0x40 ? 3 : 2));
|
|
|
|
return [Block(0x1000, [opcode]),
|
|
|
|
// sp1 set by setup_data_op_RTI for opcode 0x40
|
|
|
|
Block(sp2, [0x11]),
|
|
|
|
Block(sp3, [0x12])];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_nowrap(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
setSP(cpu, 0xF0);
|
|
|
|
auto ret = setup(cpu, addr, name, opcode);
|
|
|
|
name ~= " no-wrap";
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_wrap(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
setSP(cpu, 0xFE);
|
|
|
|
auto ret = setup(cpu, addr, name, opcode);
|
|
|
|
name ~= " wrap";
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup_nowrap, &setup_wrap];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_address_op_5C(T)(ubyte opcode)
|
|
|
|
if (isCpu!T && isCMOS!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x5C);
|
|
|
|
|
|
|
|
auto setup(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "NOP8";
|
|
|
|
setPC(cpu, 0xFD00);
|
|
|
|
return [Block(0xFD00, [0x5C, 0x72])];
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_address_op_JMP_abs(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x4C);
|
|
|
|
|
|
|
|
auto setup(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "JMP abs";
|
|
|
|
addr = 0x10C5;
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
return [Block(0x1000, [0x4C, 0xC5, 0x10])];
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_address_op_JMP_ind(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x6C);
|
|
|
|
|
|
|
|
auto setup_nopx(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "JMP ind no-px";
|
|
|
|
addr = 0x1234;
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
return [Block(0x1000, [0x6C, 0xC5, 0x10]),
|
|
|
|
Block(0x10C5, [0x34, 0x12])];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_px(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "JMP ind px";
|
|
|
|
addr = 0x1234;
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
ushort ial = 0x11FF;
|
|
|
|
ushort iah = (isNMOS!T ? 0x1100 : 0x1200);
|
|
|
|
return [Block(0x1000, [0x6C, 0xFF, 0x11]),
|
|
|
|
Block(ial, [0x34]),
|
|
|
|
Block(iah, [0x12])];
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup_nopx, &setup_px];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_address_op_JMP_inx(T)(ubyte opcode)
|
|
|
|
if (isCpu!T && isCMOS!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x7C);
|
|
|
|
|
|
|
|
auto setup(T cpu, out ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "JMP inx";
|
|
|
|
addr = 0x1234;
|
|
|
|
setPC(cpu, 0x1000);
|
|
|
|
setX(cpu, 0x20);
|
|
|
|
return [Block(0x1000, [0x7C, 0xC5, 0x10]),
|
|
|
|
Block(0x10C5, [0x14, 0x12])];
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup];
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// XXX data not anything put in memory by setup_address_* ?
|
|
|
|
|
|
|
|
auto setup_data_none(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
auto setup(T cpu, ushort addr, out string name)
|
|
|
|
{
|
|
|
|
name = "";
|
|
|
|
return cast(Block[])[];
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_push(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
static if (isNMOS!T)
|
|
|
|
assert(opcode == 0x48);
|
|
|
|
else
|
|
|
|
assert(opcode == 0x48 || opcode == 0x5A || opcode == 0xDa);
|
|
|
|
// XXX set register to non-zero value
|
|
|
|
|
|
|
|
return cast(datasetup_t!T[])[];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_pull(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(isNMOS!T ? opcode == 0x68
|
|
|
|
: (opcode == 0x68 || opcode == 0x7A || opcode == 0xFA));
|
|
|
|
|
|
|
|
int count;
|
|
|
|
static ubyte[3] values = [0x00, 0x40, 0x80];
|
|
|
|
static string[3] names = ["zero", "positive", "negative"];
|
|
|
|
|
|
|
|
auto setup(T cpu, ushort addr, out string name)
|
|
|
|
{
|
|
|
|
assert(count < 3);
|
|
|
|
auto sp = pageWrapAdd(getSP(cpu), 1);
|
|
|
|
name = names[count];
|
|
|
|
return [Block(sp, [values[count++]])];
|
|
|
|
}
|
|
|
|
|
|
|
|
return [&setup, &setup, &setup];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_op_BRK(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x00);
|
|
|
|
// XXX cpu flags each set/unset, with corresponding garbage values
|
|
|
|
// at sp+2
|
|
|
|
return cast(datasetup_t!T[])[];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_op_PHP(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x08);
|
|
|
|
// XXX cpu flags each set/unset, with corresponding garbage values
|
|
|
|
return cast(datasetup_t!T[])[];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_op_RTI(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x40);
|
|
|
|
// XXX values for each flag set/unset, with flags corresponding
|
|
|
|
return cast(datasetup_t!T[])[];
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_op_PLP(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
assert(opcode == 0x28);
|
|
|
|
// XXX values for each flag set/unset, with flags corresponding
|
|
|
|
return cast(datasetup_t!T[])[];
|
|
|
|
}
|
|
|
|
|
2012-03-31 19:44:23 +00:00
|
|
|
auto setup_data_dec_reg(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
/* XXX DEX, DEY, on CMOS DEC A
|
|
|
|
* set reg to:
|
|
|
|
* 0x01 (sets z) 0x00 (sets N) 0x80 (clears both)
|
|
|
|
*/
|
|
|
|
}
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|
|
|
|
|
|
auto setup_data_dec(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
// XXX all addressing modes of DEC
|
|
|
|
// set addr to
|
|
|
|
// 0x01 (sets z) 0x00 (sets N) 0x80 (clears both)
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_inc_reg(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
// XXX INX, INY, on CMOS INC A
|
|
|
|
// set reg to:
|
|
|
|
// 0xFF (sets Z) 0x7F (sets N) 0x00 (clears both)
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_inc(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
// XXX all addressing modes of INC
|
|
|
|
// set addr to:
|
|
|
|
// 0xFF (sets Z) 0x7F (sets N) 0x00 (clears both)
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_rol(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
// XXX all addressing modes of ROL
|
|
|
|
// if 0x2A, set A else set addr
|
|
|
|
// 0 carry set -> 1 (zero clear, carry clear, neg clear)
|
|
|
|
// 0 carry clear -> 0 (zero set, carry clear, neg clear)
|
|
|
|
// 0x80 carry set -> 1 (carry set, zero clear, neg clear)
|
|
|
|
// 0x80 carry clear -> 0 (carry set, zero set, neg clear)
|
|
|
|
// 0x40 carry set -> 0x81 (carry clear, zero clear, neg set)
|
|
|
|
// 0x40 carry clear -> 0x80 (carry clear, zero clear, neg set)
|
|
|
|
}
|
|
|
|
|
|
|
|
auto setup_data_asl(T)(ubyte opcode)
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
// XXX all addressing modes of ASL
|
|
|
|
// if 0x0A, set A else set addr
|
|
|
|
// each starting carry set, carry clear
|
|
|
|
// 0 -> 0
|
|
|
|
// 0x80 -> 0 carry set
|
|
|
|
// 0x40 -> 0x80
|
|
|
|
// 0x01 -> 0x02
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Associates opcodes with test setup functions.
|
|
|
|
string getMemSetup(T)()
|
|
|
|
if (isCpu!T)
|
|
|
|
{
|
|
|
|
string[] tmp1 = new string[256], tmp2 = new string[256];
|
|
|
|
tmp2[] = " setups2 = &setup_data_none!T;\n";
|
|
|
|
|
|
|
|
void call_addr(const(ubyte[]) list, string fname)
|
|
|
|
{
|
|
|
|
foreach(op; list)
|
|
|
|
{
|
|
|
|
tmp1[op] =
|
|
|
|
" setups1 = &setup_address_" ~ fname ~ "!T;\n";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void call_data(const(ubyte[]) list, string fname)
|
|
|
|
{
|
|
|
|
foreach(op; list)
|
|
|
|
{
|
|
|
|
tmp2[op] =
|
|
|
|
" setups2 = &setup_data_" ~ fname ~ "!T;\n";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
call_addr(IMM_OPS!T, "imm");
|
|
|
|
call_addr(ZPG_OPS!T, "zpg");
|
|
|
|
call_addr(ZPX_OPS!T, "zpxy");
|
|
|
|
call_addr(ZPY_OPS!T, "zpxy");
|
|
|
|
call_addr(ABS_OPS!T, "abs");
|
|
|
|
call_addr(ABX_OPS!T, "abxy");
|
|
|
|
call_addr(ABY_OPS!T, "abxy");
|
|
|
|
call_addr(IZX_OPS!T, "izx");
|
|
|
|
call_addr(IZY_OPS!T, "izy");
|
|
|
|
call_addr(REG_OPS!T, "reg");
|
|
|
|
call_addr(PUSH_OPS!T, "push");
|
|
|
|
call_addr(PULL_OPS!T, "pull");
|
|
|
|
call_addr(BRANCH_OPS!T, "branch"); // XXX test
|
|
|
|
call_addr([0x00], "op_BRK");
|
|
|
|
call_addr([0x20], "op_JSR"); // XXX test
|
|
|
|
call_addr([0x40, 0x60], "op_RTx"); // XXX 0x60 test
|
|
|
|
call_addr([0x4C], "op_JMP_abs"); // XXX test
|
|
|
|
call_addr([0x6C], "op_JMP_ind"); // XXX test
|
|
|
|
|
|
|
|
call_data([0x08], "op_PHP");
|
|
|
|
call_data([0x28], "op_PLP");
|
|
|
|
call_data([0x00], "op_BRK");
|
|
|
|
call_data([0x40], "op_RTI");
|
|
|
|
// call_data(OPS_DEC_REG!T, "dec_reg");
|
|
|
|
// call_data(OPS_DEC!T, "dec");
|
|
|
|
// call_data(OPS_INC_REG!T, "inc_reg");
|
|
|
|
// call_data(OPS_INC!T, "inc");
|
|
|
|
// call_data(OPS_ROL!T, "rol");
|
|
|
|
// call_data(OPS_ASL!T, "asl");
|
|
|
|
|
|
|
|
static if (isNMOS!T)
|
|
|
|
{
|
|
|
|
call_addr(HLT_OPS!T, "none");
|
|
|
|
|
|
|
|
call_data([0x48], "push");
|
|
|
|
call_data([0x68], "pull");
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
call_addr(ZPI_OPS!T, "zpi");
|
|
|
|
call_addr(NOP1_OPS!T, "reg"); /// XXX nop test 1 cycles
|
|
|
|
call_addr([0x5C], "op_5C"); /// XXX test
|
|
|
|
call_addr([0x7C], "op_JMP_inx"); /// XXX test
|
|
|
|
|
|
|
|
call_data([0x48, 0x5A, 0xDA], "push");
|
|
|
|
call_data([0x68, 0x7A, 0xFA], "pull");
|
|
|
|
}
|
|
|
|
|
|
|
|
auto ret = "final switch (opcode)\n{\n";
|
|
|
|
for (auto i = 0; i < 256; i++)
|
|
|
|
{
|
|
|
|
ret ~= " case 0x" ~ to!string(i, 16) ~ ":\n" ~
|
|
|
|
tmp1[i] ~ tmp2[i] ~ " break;\n";
|
|
|
|
}
|
|
|
|
return ret ~ "\n}";
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2012-03-25 08:25:41 +00:00
|
|
|
unittest
|
|
|
|
{
|
|
|
|
/+
|
|
|
|
import std.stdio;
|
|
|
|
alias Cmos!(false, false) T;
|
|
|
|
addrsetup_t!T[] function(ubyte) setups1;
|
|
|
|
datasetup_t!T[] function(ubyte) setups2;
|
|
|
|
ubyte opcode = 0x10;
|
|
|
|
mixin(getMemSetup!T());
|
|
|
|
|
|
|
|
auto funcs1 = setups1(opcode);
|
|
|
|
string name1, name2;
|
|
|
|
foreach(func1; funcs1)
|
|
|
|
{
|
|
|
|
auto funcs2 = setups2(opcode);
|
|
|
|
foreach(func2; funcs2)
|
|
|
|
{
|
|
|
|
ushort addr;
|
|
|
|
auto cpu = new T();
|
|
|
|
auto block1 = func1(cpu, addr, name1);
|
|
|
|
auto block2 = func2(cpu, addr, name2);
|
|
|
|
auto mem = TestMemory(block1 ~ block2);
|
|
|
|
connectCpu(cpu, mem);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
+/
|
2012-03-31 19:44:23 +00:00
|
|
|
// enum foo = getMemSetup!(NmosUndoc!(false, false))();
|
2012-03-25 08:25:41 +00:00
|
|
|
// writeln(foo);
|
2012-03-23 16:14:15 +00:00
|
|
|
}
|