Update
This commit is contained in:
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7d96943862
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GPG key ID:
12EFFCAEA9E620BF
6 changed files with 182 additions and 97 deletions
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@ -1,6 +1,6 @@
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# hence
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Virtual CPU with Assembler and Emulator.
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Virtual CPU with Assembler and Emulator and Forth compiler included.
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## Architecture
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@ -13,11 +13,12 @@
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.define_eval prev, OFFSET
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.bytes CORE_U16_MAX, CORE_U16_MAX
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.bytes CORE_U16_MAX
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.define_eval JUMP_TABLE_CONDITIONS_SIZE, (OFFSET - prev)
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.org prev
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.delete prev
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.define_eval JUMP_TABLE_WORDS_SIZE, (0 * 2)
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.define_eval JUMP_TABLE_WORDS_SIZE, (1 * 2)
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.define_eval JUMP_TABLE_PTR, (MAIN_JUMPER - JUMP_TABLE_CONDITIONS_SIZE - JUMP_TABLE_WORDS_SIZE)
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.debug JUMP_TABLE_CONDITIONS_SIZE, JUMP_TABLE_WORDS_SIZE, (JUMP_TABLE_CONDITIONS_SIZE + JUMP_TABLE_WORDS_SIZE / 2), JUMP_TABLE_PTR
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@ -29,6 +30,8 @@
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.define_eval counter, (counter + 2)
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.define_eval jump_table_conditions_else_0, (JUMP_TABLE_PTR + counter)
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.define_eval counter, (counter + 2)
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.define_eval jump_table_conditions_if_1, (JUMP_TABLE_PTR + counter)
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.define_eval counter, (counter + 2)
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.delete counter
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.define_eval MEM_JUMP_TABLE_LEN, (JUMP_TABLE_CONDITIONS_SIZE + JUMP_TABLE_WORDS_SIZE / 2)
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@ -52,23 +55,40 @@
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tlr CORE_REG_A
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.endmacro
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; setup jump table
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; condition 0
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.std_get jump_table_conditions_if_0
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.macro jump_table_pull_ptr, jump_table_pull_ptr_arg_0_ptr
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.std_get jump_table_pull_ptr_arg_0_ptr
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tls
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.std_get (jump_table_conditions_if_0 + 1)
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.std_get (jump_table_pull_ptr_arg_0_ptr + 1)
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tls
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dbg
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pop
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pop
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.endmacro
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; setup jump table
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; conditions
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; condition 0
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; if
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.jump_table_pull_ptr jump_table_conditions_if_0
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; else
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.jump_table_pull_ptr jump_table_conditions_else_0
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; condition 1
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; if
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.jump_table_pull_ptr jump_table_conditions_if_1
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.macro self_ref, self_ref_arg_0_ptr
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.std_rset CORE_REG_A, self_ref_arg_0_ptr
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.std_set self_ref_arg_0_ptr
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.endmacro
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; reference MEM_CALL_STACK_PTR to itself
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.std_rset CORE_REG_A, MEM_CALL_STACK_PTR
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.std_set MEM_CALL_STACK_PTR
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.self_ref MEM_CALL_STACK_PTR
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; reference MEM_ALLOC_PTR to itself
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.std_rset CORE_REG_A, MEM_ALLOC_PTR
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.std_set MEM_ALLOC_PTR
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.self_ref MEM_ALLOC_PTR
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.delete_macro self_ref
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.std_jump MAIN_JUMPER
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@ -101,50 +121,20 @@ return_call_stack_jump:
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get
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tlr CORE_REG_PC
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.define_eval prev, OFFSET
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.std_rset CORE_REG_C, CORE_U16_MAX
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.std_rset CORE_REG_D, CORE_U16_MAX
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ts call_stack_jump
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tlr CORE_REG_PC
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.define_eval CALL_STACK_JUMP_SIZE, (OFFSET - prev)
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.org prev
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.delete prev
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.macro call_stack_jump, call_stack_jump_arg_0_label
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.define_eval prev, OFFSET
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.define offset_till_end, (OFFSET - prev * -1 + CALL_STACK_JUMP_COND_IF_ELSE_SIZE)
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.std_rset CORE_REG_C, call_stack_jump_arg_0_label
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.std_rset CORE_REG_D, (OFFSET + offset_till_end)
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.std_rset CORE_REG_D, (OFFSET + 7)
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ts call_stack_jump
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tlr CORE_REG_PC
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.delete prev, offset_till_end
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.endmacro
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.define_eval prev, OFFSET
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.std_ld
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tlr CORE_REG_A
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.std_rset CORE_REG_C, CORE_U16_MAX
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.std_rset CORE_REG_D, CORE_U16_MAX
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ts call_stack_jump
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tlrc CORE_REG_PC
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.define_eval CALL_STACK_JUMP_COND_IF_SIZE, (OFFSET - prev)
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.org prev
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.delete prev
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.macro call_stack_jump_cond_if, call_stack_jump_cond_if_arg_0_if_label
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.define_eval prev, OFFSET
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.define offset_till_end, (OFFSET - prev * -1 + CALL_STACK_JUMP_COND_IF_ELSE_SIZE)
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.std_ld
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tlr CORE_REG_A
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.std_rset CORE_REG_C, call_stack_jump_cond_if_arg_0_if_label
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.std_rset CORE_REG_D, (OFFSET + offset_till_end)
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.std_rset CORE_REG_D, (OFFSET + 7)
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ts call_stack_jump
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tlrc CORE_REG_PC
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.delete prev, offset_till_end
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.endmacro
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.define_eval prev, OFFSET
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@ -188,6 +178,21 @@ return_call_stack_jump:
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; data
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; strings
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data_strings_0:
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.bytes 0x48
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.bytes 0x65
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.bytes 0x6c
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.bytes 0x6c
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.bytes 0x6f
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.bytes 0x20
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.bytes 0x77
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.bytes 0x6f
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.bytes 0x72
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.bytes 0x6c
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.bytes 0x64
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.bytes 0x21
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data_strings_end_0:
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; conditions
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; condition: 0
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@ -205,8 +210,42 @@ return_call_stack_jump:
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.std_set CORE_MEM_OUT
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.return_call_stack_jump
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; condition: 1
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conditions_if_1:
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push 32
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.std_ld
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tlr CORE_REG_A
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.std_set CORE_MEM_OUT
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.std_rset CORE_REG_A, '\n'
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.std_set CORE_MEM_CHR
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.return_call_stack_jump
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; words
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words_0:
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push 40
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push 2
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.stack_transfer_alu
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.std_alu CORE_ALU_ADD
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tls
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.return_call_stack_jump
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; static jump table
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.define_eval prev, OFFSET
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; conditions
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; condition: 0
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.org jump_table_conditions_if_0
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.bytes conditions_if_0
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.org jump_table_conditions_else_0
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.bytes conditions_else_0
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; condition: 1
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.org jump_table_conditions_if_1
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.bytes conditions_if_1
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.org prev
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.delete prev
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; main
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main:
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@ -224,4 +263,46 @@ main:
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.call_stack_jump_cond_if_else conditions_if_0, conditions_else_0
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.std_rset CORE_REG_A, '\n'
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.std_set CORE_MEM_CHR
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push 1
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dbg
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.call_stack_jump_cond_if conditions_if_1
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.call_stack_jump words_0
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dbg
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.call_stack_jump words_0
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dbg
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.std_rset CORE_REG_A, ' '
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.std_set CORE_MEM_CHR
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.std_rset CORE_REG_B, data_strings_0
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loop_strings_0:
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tsr CORE_REG_B
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get
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tlr CORE_REG_A
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.std_set CORE_MEM_CHR
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.std_rset CORE_REG_A, 1
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.std_alu CORE_ALU_ADD
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tlr CORE_REG_B
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.std_rset CORE_REG_A, data_strings_end_0
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.std_alu CORE_ALU_GT
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tlr CORE_REG_A
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.std_cond_jump loop_strings_0
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.std_rset CORE_REG_A, '\n'
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.std_set CORE_MEM_CHR
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.std_rset CORE_REG_A, ' '
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.std_set CORE_MEM_CHR
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set
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.std_rset CORE_REG_B, data_strings_0
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loop_strings_0:
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tsr CORE_REG_B
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get
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tlr CORE_REG_A
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.std_set CORE_MEM_CHR
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.std_rset CORE_REG_A, 1
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.std_alu CORE_ALU_ADD
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tlr CORE_REG_B
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.std_rset CORE_REG_A, data_strings_end_0
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.std_alu CORE_ALU_GT
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tlr CORE_REG_A
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.std_cond_jump loop_strings_0
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.std_rset CORE_REG_A, '\n'
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.std_set CORE_MEM_CHR
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.std_stop
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@ -5,4 +5,6 @@
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: borg debug ;
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42 42 = debug if 69 . else 420 . then cr
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1 debug if 32 . cr else then
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test debug test debug space ." Hello world!" cr space space ." Hello world!" cr
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@ -131,6 +131,21 @@ impl Assembler {
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Ok(None)
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}
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"debug_program" => {
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let start = args[0].resolve_number(self)?;
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let end = args[1].resolve_number(self)?;
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println!(
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"=== Hexdump [0x{:0>4x}..0x{:0>4x}] ===\n{}\n================================",
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start,
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end,
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rhexdump::hexdump_offset(
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&self.program[start as usize..end as usize],
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start as u32,
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)
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);
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Ok(None)
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}
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"define" => {
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let name = match &args[0] {
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arg::Arg::Variable(x) | arg::Arg::String(x) => x,
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@ -292,7 +292,7 @@ impl Emulator {
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0x0c => {
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self.set_memory(self.tmp, self.reg_a)?;
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}
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_ => bail!("Invalid opcode: 0x{:0>4x}", self.reg_opc),
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_ => bail!("Invalid opcode: 0x{:0>2x}", self.reg_opc),
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}
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Ok(())
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@ -1,7 +1,3 @@
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{%- macro escape_name(name) -%}
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{% if name.starts_with('"') %}{{ name }}{% else %}"{{ name }}"{% endif %}
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{%- endmacro -%}
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; Generated by Henceforth {{ env!("CARGO_PKG_VERSION") }} ({{ env!("CARGO_PKG_REPOSITORY") }})
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.include "$lib/core.asm"
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@ -62,26 +58,41 @@
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tlr CORE_REG_A
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.endmacro
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; setup jump table
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; conditions
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{%- for c in conditions %}
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; condition {{ c.id }}
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.std_get jump_table_conditions_if_{{ c.id }}
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.macro jump_table_pull_ptr, jump_table_pull_ptr_arg_0_ptr
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.std_get jump_table_pull_ptr_arg_0_ptr
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tls
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.std_get (jump_table_conditions_if_{{ c.id }} + 1)
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.std_get (jump_table_pull_ptr_arg_0_ptr + 1)
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tls
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dbg
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pop
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pop
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.endmacro
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; setup jump table
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; conditions
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{%- for c in conditions %}
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; condition {{ c.id }}
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; if
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.jump_table_pull_ptr jump_table_conditions_if_{{ c.id }}
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{%- if !c.data.1.is_empty() %}
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; else
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.jump_table_pull_ptr jump_table_conditions_else_{{ c.id }}
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{%- endif %}
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{%- endfor %}
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.macro self_ref, self_ref_arg_0_ptr
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.std_rset CORE_REG_A, self_ref_arg_0_ptr
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.std_set self_ref_arg_0_ptr
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.endmacro
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; reference MEM_CALL_STACK_PTR to itself
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.std_rset CORE_REG_A, MEM_CALL_STACK_PTR
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.std_set MEM_CALL_STACK_PTR
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.self_ref MEM_CALL_STACK_PTR
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; reference MEM_ALLOC_PTR to itself
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.std_rset CORE_REG_A, MEM_ALLOC_PTR
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.std_set MEM_ALLOC_PTR
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.self_ref MEM_ALLOC_PTR
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.delete_macro self_ref
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.std_jump MAIN_JUMPER
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@ -114,50 +125,20 @@ return_call_stack_jump:
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get
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tlr CORE_REG_PC
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.define_eval prev, OFFSET
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.std_rset CORE_REG_C, CORE_U16_MAX
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.std_rset CORE_REG_D, CORE_U16_MAX
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ts call_stack_jump
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tlr CORE_REG_PC
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.define_eval CALL_STACK_JUMP_SIZE, (OFFSET - prev)
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.org prev
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.delete prev
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.macro call_stack_jump, call_stack_jump_arg_0_label
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.define_eval prev, OFFSET
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.define offset_till_end, (OFFSET - prev * -1 + CALL_STACK_JUMP_COND_IF_ELSE_SIZE)
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.std_rset CORE_REG_C, call_stack_jump_arg_0_label
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.std_rset CORE_REG_D, (OFFSET + offset_till_end)
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.std_rset CORE_REG_D, (OFFSET + 7)
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ts call_stack_jump
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tlr CORE_REG_PC
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.delete prev, offset_till_end
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.endmacro
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.define_eval prev, OFFSET
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.std_ld
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tlr CORE_REG_A
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.std_rset CORE_REG_C, CORE_U16_MAX
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.std_rset CORE_REG_D, CORE_U16_MAX
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ts call_stack_jump
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tlrc CORE_REG_PC
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.define_eval CALL_STACK_JUMP_COND_IF_SIZE, (OFFSET - prev)
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.org prev
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.delete prev
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.macro call_stack_jump_cond_if, call_stack_jump_cond_if_arg_0_if_label
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.define_eval prev, OFFSET
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.define offset_till_end, (OFFSET - prev * -1 + CALL_STACK_JUMP_COND_IF_ELSE_SIZE)
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.std_ld
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tlr CORE_REG_A
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.std_rset CORE_REG_C, call_stack_jump_cond_if_arg_0_if_label
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.std_rset CORE_REG_D, (OFFSET + offset_till_end)
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.std_rset CORE_REG_D, (OFFSET + 7)
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ts call_stack_jump
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tlrc CORE_REG_PC
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.delete prev, offset_till_end
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.endmacro
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.define_eval prev, OFFSET
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@ -204,9 +185,6 @@ return_call_stack_jump:
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{%- for s in strings %}
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{% let bytes = s.data.as_bytes() -%}
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data_strings_{{ s.id }}:
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{% let name = snailquote::escape(s.data) -%}
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; original : {% call escape_name(name) %}
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; size : {{ bytes.len() }}
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{%- for byte in bytes %}
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.bytes {{ "0x{:02x}"|format(byte) }}
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{%- endfor %}
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@ -221,28 +199,37 @@ return_call_stack_jump:
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{{ ins }}
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{%- endfor %}
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.return_call_stack_jump
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{%- if !c.data.1.is_empty() %}
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conditions_else_{{ c.id }}:
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{%- for ins in c.data.1 %}
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{{ ins }}
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{%- endfor %}
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.return_call_stack_jump
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{%- endif %}
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{% endfor %}
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; words
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{%- for w in words %}
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words_{{ w.id }}:
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{% let name = snailquote::escape(w.data.0) -%}
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; name : {% call escape_name(name) %}
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{%- for node in w.data.1 %}
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{{ node }}
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{%- endfor %}
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.return_call_stack_jump
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{% endfor %}
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; static jump table
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.define_eval prev, OFFSET
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.org JUMP_TABLE_PTR
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; conditions
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{%- for c in conditions %}
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; condition: {{ c.id }}
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.org jump_table_conditions_if_{{ c.id }}
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.bytes conditions_if_{{ c.id }}
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{%- if !c.data.1.is_empty() %}
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.org jump_table_conditions_else_{{ c.id }}
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.bytes conditions_else_{{ c.id }}
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{%- endif %}
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{% endfor %}
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.org prev
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.delete prev
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