diff options
Diffstat (limited to 'misc/pascal/insn32/doc/insn32.txt')
| -rw-r--r-- | misc/pascal/insn32/doc/insn32.txt | 238 |
1 files changed, 119 insertions, 119 deletions
diff --git a/misc/pascal/insn32/doc/insn32.txt b/misc/pascal/insn32/doc/insn32.txt index ff1416ca5..3bb7bc700 100644 --- a/misc/pascal/insn32/doc/insn32.txt +++ b/misc/pascal/insn32/doc/insn32.txt @@ -1,119 +1,119 @@ -32-bit op-code bit definitions
-
-Machine model:
-
- SPB 32-bit Pascal stack base address
- SP 32-bit Pascal stack pointer
- LSP 32-bit Level stack pointer
- CSB 32-bit Character stack base address
- CSP 32-bit Character stack pointer
- DS 32-bit Data size register (for multiple reg transfers)
- PC 32-bit Program Counter
- CC Condition code register
- --- Volatile general purpose registers
- --- Static general purpose registers
-
-Condition codes: Z(ero), N(egative)
-
- +=====+=====+
- | Z | N |
- +=====+=====+=====+
- | EQ | 1 | - |
- | NEQ | 0 | - |
- | LT | - | 1 |
- | GTE | - | 0 |
- | GT | 0 | 0 |
- | LTE | 1 | 1 |
- +=====+=====+=====+
-
-Opcode Encoding Summary:
-
- 0rxx xxxx 1rxxx xxxx
-xr00 0000 NOP LD uoffs4
-xr00 0001 NEG LDH uoffs3
-xr00 0010 ABS LDB uoffs
-xr00 0011 INC LDM uoffs4
-xr00 0100 DEC ST uoffs4
-xr00 0101 NOT STH uoffs2
-xr00 0110 ADD STB uoffs
-xr00 0111 SUB STM uoffs4
-xr00 1000 MUL LDX uoffs4
-xr00 1001 DIV LDXH uoffs2
-xr00 1010 MOD LDXB uoffs
-xr00 1011 SLL LDXM uoffs4
-xr00 1100 SRL STX uoffs4
-xr00 1101 SRA STXH uoffs2
-xr00 1110 OR STXB uoffs
-xr00 1111 AND STXM uoffs
-
-xr01 0000 EQUZ JEQUZ ilbl
-xr01 0001 NEQZ JNEQZ ilbl
-xr01 0010 LTZ JLTZ ilbl
-xr01 0011 GTEZ JGTEZ ilbl
-xr01 0100 GTZ JGTZ ilbl
-xr01 0101 LTEZ JLTEZ ilbl
-xr01 0110 --- JMP ilbl
-xr01 0111 --- PUSH nn
-xr01 1000 EQU JEQU ilbl
-xr01 1001 NEQ JNEQ ilbl
-xr01 1010 LT JLT ilbl
-xr01 1011 GTE JGTE ilbl
-xr01 1100 GT JGT ilbl
-xr01 1101 LTE JLTE ilbl
-xr01 1110 --- ---
-xr01 1111 BIT INDS nn
-
-xr10 0000 LDI LDS offs4
-xr10 0001 LDIH LDSH offs3
-xr10 0010 LDIB LDSB offs
-xr10 0011 LDIM LDSM offs4
-xr10 0100 STI STS offs4
-xr10 0101 STIH STSH offs2
-xr10 0110 STIB STSB offs
-xr10 0111 STIM STSM offs4
-xr10 1000 DUP LDSX offs4
-xr10 1001 --- LDSXH offs2
-xr10 1010 PUSHS LDSXB offs
-xr10 1011 POPS LDSXM offs4
-xr10 1100 --- STSX offs4
-xr10 1101 --- STSXH offs2
-xr10 1110 --- STSXB offs
-xr10 1111 RET STSXM offs
-
-xr11 0000 --- LA uoffs
-xr11 0001 --- LAS offs
-xr11 0010 --- LAC dlbl
-xr11 0011 --- ---
-xr11 0100 --- LAX uoffs
-xr11 0101 --- LASX offs
-xr11 0110 --- SLSP level
-xr11 0111 --- SDC uu
-xr11 1000 --- ---
-xr11 1001 --- PCAL ilbl
-xr11 1010 --- SYSIO fn,sop
-xr11 1011 --- LIB lop
-xr11 1100 --- FLOAT fop
-xr11 1101 --- *LABEL ilbl
-xr11 1110 --- *INCLUDE fn
-xr11 1111 END *LINE lineno
-
-KEY:
- r = Reserved bit (must be zero)
- fn = 8-bit file number
- lvl = 8-bit static nexting level
- sop = 17-bit sysio operation
- lineno = 17-bit line number
- nn = 32-bit constant value (signed)
- uu = 32-bit constant value (unsigned)
- fop = 32-bit floating point operation
- lop = 32-bit library call identifier
- ilbl = 32-bit Instruction space label number
- dlbl = 32-stack data label
- offs4 = 32-bit word offset with respect to LSP (signed)
- offs2 = 32-bit halfword offset with respect to LSP (signed)
- offs = 32-bit byte offset with respect to LSP (signed)
- uoffs4 = 32-bit word offset with respect to SPB (unsigned)
- uoffs2 = 32-bit halfword offset with respect to SPB (unsigned)
- uoffs = 32-bit byte offset with respect to SPB (unsigned)
- c = string follows psuedo-operation
- = Indicates pseudo-operations (these are removed
+32-bit op-code bit definitions + +Machine model: + + SPB 32-bit Pascal stack base address + SP 32-bit Pascal stack pointer + LSP 32-bit Level stack pointer + CSB 32-bit Character stack base address + CSP 32-bit Character stack pointer + DS 32-bit Data size register (for multiple reg transfers) + PC 32-bit Program Counter + CC Condition code register + --- Volatile general purpose registers + --- Static general purpose registers + +Condition codes: Z(ero), N(egative) + + +=====+=====+ + | Z | N | + +=====+=====+=====+ + | EQ | 1 | - | + | NEQ | 0 | - | + | LT | - | 1 | + | GTE | - | 0 | + | GT | 0 | 0 | + | LTE | 1 | 1 | + +=====+=====+=====+ + +Opcode Encoding Summary: + + 0rxx xxxx 1rxxx xxxx +xr00 0000 NOP LD uoffs4 +xr00 0001 NEG LDH uoffs3 +xr00 0010 ABS LDB uoffs +xr00 0011 INC LDM uoffs4 +xr00 0100 DEC ST uoffs4 +xr00 0101 NOT STH uoffs2 +xr00 0110 ADD STB uoffs +xr00 0111 SUB STM uoffs4 +xr00 1000 MUL LDX uoffs4 +xr00 1001 DIV LDXH uoffs2 +xr00 1010 MOD LDXB uoffs +xr00 1011 SLL LDXM uoffs4 +xr00 1100 SRL STX uoffs4 +xr00 1101 SRA STXH uoffs2 +xr00 1110 OR STXB uoffs +xr00 1111 AND STXM uoffs + +xr01 0000 EQUZ JEQUZ ilbl +xr01 0001 NEQZ JNEQZ ilbl +xr01 0010 LTZ JLTZ ilbl +xr01 0011 GTEZ JGTEZ ilbl +xr01 0100 GTZ JGTZ ilbl +xr01 0101 LTEZ JLTEZ ilbl +xr01 0110 --- JMP ilbl +xr01 0111 --- PUSH nn +xr01 1000 EQU JEQU ilbl +xr01 1001 NEQ JNEQ ilbl +xr01 1010 LT JLT ilbl +xr01 1011 GTE JGTE ilbl +xr01 1100 GT JGT ilbl +xr01 1101 LTE JLTE ilbl +xr01 1110 --- --- +xr01 1111 BIT INDS nn + +xr10 0000 LDI LDS offs4 +xr10 0001 LDIH LDSH offs3 +xr10 0010 LDIB LDSB offs +xr10 0011 LDIM LDSM offs4 +xr10 0100 STI STS offs4 +xr10 0101 STIH STSH offs2 +xr10 0110 STIB STSB offs +xr10 0111 STIM STSM offs4 +xr10 1000 DUP LDSX offs4 +xr10 1001 --- LDSXH offs2 +xr10 1010 PUSHS LDSXB offs +xr10 1011 POPS LDSXM offs4 +xr10 1100 --- STSX offs4 +xr10 1101 --- STSXH offs2 +xr10 1110 --- STSXB offs +xr10 1111 RET STSXM offs + +xr11 0000 --- LA uoffs +xr11 0001 --- LAS offs +xr11 0010 --- LAC dlbl +xr11 0011 --- --- +xr11 0100 --- LAX uoffs +xr11 0101 --- LASX offs +xr11 0110 --- SLSP level +xr11 0111 --- SDC uu +xr11 1000 --- --- +xr11 1001 --- PCAL ilbl +xr11 1010 --- SYSIO fn,sop +xr11 1011 --- LIB lop +xr11 1100 --- FLOAT fop +xr11 1101 --- *LABEL ilbl +xr11 1110 --- *INCLUDE fn +xr11 1111 END *LINE lineno + +KEY: + r = Reserved bit (must be zero) + fn = 8-bit file number + lvl = 8-bit static nexting level + sop = 17-bit sysio operation + lineno = 17-bit line number + nn = 32-bit constant value (signed) + uu = 32-bit constant value (unsigned) + fop = 32-bit floating point operation + lop = 32-bit library call identifier + ilbl = 32-bit Instruction space label number + dlbl = 32-stack data label + offs4 = 32-bit word offset with respect to LSP (signed) + offs2 = 32-bit halfword offset with respect to LSP (signed) + offs = 32-bit byte offset with respect to LSP (signed) + uoffs4 = 32-bit word offset with respect to SPB (unsigned) + uoffs2 = 32-bit halfword offset with respect to SPB (unsigned) + uoffs = 32-bit byte offset with respect to SPB (unsigned) + c = string follows pseudo-operation + = Indicates pseudo-operations (these are removed |