3 Commits

Author SHA1 Message Date
Arturo
cdf14cf545 added LLGS instruction to CPU.hpp 2026-04-11 11:50:37 -06:00
Arturo
c3c94583f4 Map LLGS instruction to opcode 0xF1 2026-04-11 11:35:27 -06:00
Arturo
1fe555aaba Added easter egg by Arturo Balam for 0F1 (slot 1) 2026-04-11 10:02:30 -06:00
3 changed files with 104 additions and 37 deletions

View File

@@ -83,11 +83,11 @@ namespace spider {
/** /**
* Pointer to the current RAM hooked into * Pointer to the current RAM hooked into
* the CPU. * the CPU.
* *
* It is unproved whether having the RAM directly * It is unproved whether having the RAM directly
* into the CPU is better than not, or whether a * into the CPU is better than not, or whether a
* virtual BUS is better. * virtual BUS is better.
* *
* Alas, this way we can have a CPU state switch * Alas, this way we can have a CPU state switch
* between memory and instruction banks. * between memory and instruction banks.
*/ */
@@ -96,7 +96,7 @@ namespace spider {
/** /**
* Pointer to the current Instruction Reel * Pointer to the current Instruction Reel
* hooked into the CPU. * hooked into the CPU.
* *
* Ditto as RAM. * Ditto as RAM.
*/ */
InstrReel* _reel; InstrReel* _reel;
@@ -112,7 +112,7 @@ namespace spider {
~CPU(); ~CPU();
public: public:
CPU& operator=(const CPU& other) = default; CPU& operator=(const CPU& other) = default;
CPU& operator=(CPU&& other) noexcept = default; CPU& operator=(CPU&& other) noexcept = default;
@@ -124,7 +124,7 @@ namespace spider {
void hookInstrReel(InstrReel* reel); void hookInstrReel(InstrReel* reel);
constexpr u64 getFlag(u64 mask); constexpr u64 getFlag(u64 mask);
public: public:
/** /**
@@ -137,11 +137,11 @@ namespace spider {
* Fetches the destination operand, * Fetches the destination operand,
* by calling the appropriate addressing * by calling the appropriate addressing
* mode. * mode.
* *
* Will read the bottom 3 bits. * Will read the bottom 3 bits.
* For instructions with two operands, * For instructions with two operands,
* call Src first. * call Src first.
* *
* The internal variable _addrm * The internal variable _addrm
* will not be modified. It will * will not be modified. It will
* be important when writing * be important when writing
@@ -151,14 +151,14 @@ namespace spider {
/** /**
* Fetches the source operand. * Fetches the source operand.
* *
* For use in two operand instructions. * For use in two operand instructions.
* *
* Will read the bottom 3 bits. It will * Will read the bottom 3 bits. It will
* then shift the _addrm 3 spaces * then shift the _addrm 3 spaces
* to ensure it aligns with the DST * to ensure it aligns with the DST
* next. * next.
* *
* Additionally, it will add 1 to _addrm * Additionally, it will add 1 to _addrm
* to account with * to account with
*/ */
@@ -176,7 +176,7 @@ namespace spider {
* a large switch statement. Only suitable * a large switch statement. Only suitable
* for environments where the instruction * for environments where the instruction
* map is not possible. * map is not possible.
* *
* This has yet to be proved!!! * This has yet to be proved!!!
*/ */
void executeSwLk(); void executeSwLk();
@@ -197,32 +197,32 @@ namespace spider {
* Absolute Addressing Mode * Absolute Addressing Mode
*/ */
void abs(); void abs();
/** /**
* Register Addressing Mode * Register Addressing Mode
*/ */
void reg(); void reg();
/** /**
* Indrect Addressing Mode * Indrect Addressing Mode
*/ */
void ind(); void ind();
/** /**
* Pointer Addressing Mode * Pointer Addressing Mode
*/ */
void ptr(); void ptr();
/** /**
* Indexed Addressing Mode * Indexed Addressing Mode
*/ */
void idx(); void idx();
/** /**
* Scaled Addressing Mode * Scaled Addressing Mode
*/ */
void sca(); void sca();
/** /**
* Displaced Addressing Mode * Displaced Addressing Mode
*/ */
@@ -533,22 +533,22 @@ namespace spider {
// [System] 0x040 — SFB: Store (User) Flag Bit // [System] 0x040 — SFB: Store (User) Flag Bit
// Params: 2 | AddrMask1: 1E AddrMask2: FF | TypeMask: 0F // Params: 2 | AddrMask1: 1E AddrMask2: FF | TypeMask: 0F
// Operation: // Operation:
void SFB(); void SFB();
// [System] 0x041 — LFB: Load (User) Flag Bit // [System] 0x041 — LFB: Load (User) Flag Bit
// Params: 2 | AddrMask1: 1E AddrMask2: FF | TypeMask: 0F // Params: 2 | AddrMask1: 1E AddrMask2: FF | TypeMask: 0F
// Operation: // Operation:
void LFB(); void LFB();
// [Branch] 0x042 — JUF: Jump to absolute position, if user flag is true // [Branch] 0x042 — JUF: Jump to absolute position, if user flag is true
// Params: 2 | AddrMask1: 1E AddrMask2: FF | TypeMask: 0F // Params: 2 | AddrMask1: 1E AddrMask2: FF | TypeMask: 0F
// Operation: // Operation:
void JUF(); void JUF();
// [Branch] 0x043 — JUR: Jump to relative position, if user flag is true // [Branch] 0x043 — JUR: Jump to relative position, if user flag is true
// Params: 2 | AddrMask1: 1E AddrMask2: FF | TypeMask: 0F // Params: 2 | AddrMask1: 1E AddrMask2: FF | TypeMask: 0F
// Operation: // Operation:
void JUR(); void JUR();
// [Memory] 0x044 — PUSH: Push to stack // [Memory] 0x044 — PUSH: Push to stack
@@ -593,7 +593,7 @@ namespace spider {
// [Floating Point] 0x050 — FLI: Float Load Immediate // [Floating Point] 0x050 — FLI: Float Load Immediate
// Params: 1 | AddrMask1: FF AddrMask2: 00 | TypeMask: 0C // Params: 1 | AddrMask1: FF AddrMask2: 00 | TypeMask: 0C
// Operation: // Operation:
void FLI(); void FLI();
// [Floating Point] 0x051 — FNEG: Float negate // [Floating Point] 0x051 — FNEG: Float negate
@@ -808,74 +808,78 @@ namespace spider {
// [Matrix] 0x080 — MADD: Matrix Addition // [Matrix] 0x080 — MADD: Matrix Addition
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void MADD(); void MADD();
// [Matrix] 0x081 — MSUB: Matrix Subtraction // [Matrix] 0x081 — MSUB: Matrix Subtraction
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void MSUB(); void MSUB();
// [Matrix] 0x082 — MMUL: Matrix Multiply // [Matrix] 0x082 — MMUL: Matrix Multiply
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void MMUL(); void MMUL();
// [Matrix] 0x083 — MINV: Matrix Inverse // [Matrix] 0x083 — MINV: Matrix Inverse
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void MINV(); void MINV();
// [Matrix] 0x084 — MTRA: Matrix Transpose // [Matrix] 0x084 — MTRA: Matrix Transpose
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void MTRA(); void MTRA();
// [Matrix] 0x085 — MDET: Matrix Determinant // [Matrix] 0x085 — MDET: Matrix Determinant
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void MDET(); void MDET();
// [Quaternion] 0x086 — QMKA: Quaternion Make from Angles // [Quaternion] 0x086 — QMKA: Quaternion Make from Angles
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void QMKA(); void QMKA();
// [Quaternion] 0x087 — QMUL: Quaternion Multiply // [Quaternion] 0x087 — QMUL: Quaternion Multiply
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void QMUL(); void QMUL();
// [SIMD] 0x08A — XADD: SIMD Addition // [SIMD] 0x08A — XADD: SIMD Addition
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void XADD(); void XADD();
// [SIMD] 0x08B — XSUB: SIMD Subtract // [SIMD] 0x08B — XSUB: SIMD Subtract
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void XSUB(); void XSUB();
// [SIMD] 0x08C — XAMA: SIMD Alternate Multiply-Add // [SIMD] 0x08C — XAMA: SIMD Alternate Multiply-Add
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void XAMA(); void XAMA();
// [SIMD] 0x08D — XMUL: SIMD Multiply // [SIMD] 0x08D — XMUL: SIMD Multiply
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void XMUL(); void XMUL();
// [SIMD] 0x08E — XDIV: SIMD Divide // [SIMD] 0x08E — XDIV: SIMD Divide
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void XDIV(); void XDIV();
// [Easter Eggs] 0x0F0 — UPY: Will place "YUPI" in memory // [Easter Eggs] 0x0F0 — UPY: Will place "YUPI" in memory
// Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00 // Params: 0 | AddrMask1: 00 AddrMask2: 00 | TypeMask: 00
// Operation: // Operation:
void UPY(); void UPY();
//[Easter Egg] 0x0F1 - LLGS: Injects the custom 8x4 ASCII spider logo
// into RAM [0x80-0x9F] and signs Register RA with the "LLGS" hex literal.
void LLGS();
// </pygen-target> // // </pygen-target> //
}; };

View File

@@ -276,7 +276,7 @@ CPU::Fn CPU::instrMap[] = {
nullptr, // 0x0EE nullptr, // 0x0EE
nullptr, // 0x0EF nullptr, // 0x0EF
&CPU::UPY, // 0x0F0 — Will place "YUPI" in memory &CPU::UPY, // 0x0F0 — Will place "YUPI" in memory
nullptr, // 0x0F1 &CPU::LLGS, // 0x0F1 — Spider ASCII art (LLGS easter egg)
nullptr, // 0x0F2 nullptr, // 0x0F2
nullptr, // 0x0F3 nullptr, // 0x0F3
nullptr, // 0x0F4 nullptr, // 0x0F4
@@ -737,6 +737,8 @@ void CPU::executeSwLk() {
// ── Easter Eggs ───────────────────────────────── // ── Easter Eggs ─────────────────────────────────
case 0x0F0: UPY(); break; case 0x0F0: UPY(); break;
case 0x0F1: LLGS(); break;
default: default:
break; break;

View File

@@ -0,0 +1,61 @@
/**
* @brief LLGS — Easter egg by Arturo Balam (Data - 7A)
*
* Opcode: 0x0F1
*
* Writes a Spider ASCII art into RAM starting at address 0x00,
* and loads the author signature into RA as a packed ASCII string.
* This version matches the custom mechanical spider design
* and is formatted to fit an 8-byte RAM viewer width.
*
* RAM layout after LLGS executes (8 characters per row, 4 rows total):
* 0x00: "// _ \\" (Row 1)
* 0x08: "\\( )// " (Row 2)
* 0x10: " //()\\ " (Row 3)
* 0x18: " \\ // " (Row 4)
*
* RA after execution: 0x4C4C475300000000ULL ("LLGS" in ASCII, zero-padded)
* (L=0x4C, L=0x4C, G=0x47, S=0x53)
*/
#include <spider/runtime/cpu/CPU.hpp>
#include <spider/runtime/memory/RAM.hpp>
namespace spider {
void CPU::LLGS() {
// -- Write Spider ASCII art into RAM ---------------------------------
// Padded with exact spaces to ensure it never wraps in an 8-byte viewer
// Row 0: "// _ \\ "
_ram->at(0x00) = '/'; _ram->at(0x01) = '/';
_ram->at(0x02) = ' '; _ram->at(0x03) = '_';
_ram->at(0x04) = ' '; _ram->at(0x05) = '\\';
_ram->at(0x06) = '\\'; _ram->at(0x07) = ' ';
// Row 1: "\\( )// "
_ram->at(0x08) = '\\'; _ram->at(0x09) = '\\';
_ram->at(0x0A) = '('; _ram->at(0x0B) = ' ';
_ram->at(0x0C) = ')'; _ram->at(0x0D) = '/';
_ram->at(0x0E) = '/'; _ram->at(0x0F) = ' ';
// Row 2: " //()\\ "
_ram->at(0x10) = ' '; _ram->at(0x11) = '/';
_ram->at(0x12) = '/'; _ram->at(0x13) = '(';
_ram->at(0x14) = ')'; _ram->at(0x15) = '\\';
_ram->at(0x16) = '\\'; _ram->at(0x17) = ' ';
// Row 3: " \\ // "
_ram->at(0x18) = ' '; _ram->at(0x19) = '\\';
_ram->at(0x1A) = '\\'; _ram->at(0x1B) = ' ';
_ram->at(0x1C) = ' '; _ram->at(0x1D) = '/';
_ram->at(0x1E) = '/'; _ram->at(0x1F) = ' ';
// -- Load mnemonic into RA ------------------------
// "LLGS" packed as ASCII bytes into RA
RA._u64 = 0x4C4C475300000000ULL;
}
} // namespace spider