178 lines
4.1 KiB
NASM
178 lines
4.1 KiB
NASM
{%- 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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.include "$lib/core.asm"
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.include "$lib/std.asm"
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;.include "$lib/main.asm"
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.define_eval prev, OFFSET
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ts CORE_U16_MAX
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tlr CORE_REG_PC
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.define_eval diff, (OFFSET - prev)
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.define_eval MAIN_JUMPER, (CORE_MEM_PRG_END - diff)
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.org prev
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.delete prev, diff
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.define_eval MAIN_JUMPER, (CORE_MEM_PRG_END - 3 - 1)
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.define_eval MEM_LOOP_DEPTH, CORE_MEM_MEM
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.define_eval MEM_LOOP_I, (MEM_LOOP_DEPTH + 1)
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.define_eval MEM_LOOP_J, (MEM_LOOP_I + 1)
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.define_eval MEM_CALL_STACK_LEN, 16
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.define_eval MEM_CALL_STACK_PTR, (MEM_LOOP_J + 1)
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.define_eval MEM_CALL_STACK_END, (MEM_CALL_STACK_PTR + MEM_CALL_STACK_LEN)
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.define_eval MEM_ALLOC_PTR, (MEM_CALL_STACK_END + 1)
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.macro stack_transfer_alu
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.std_ld
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tlr CORE_REG_B
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.std_ld
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tlr CORE_REG_A
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.endmacro
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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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.std_rset CORE_REG_A, MEM_ALLOC_PTR
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.std_set MEM_ALLOC_PTR
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.std_jump MAIN_JUMPER
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call_stack_jump:
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.std_get MEM_CALL_STACK_PTR
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tlr CORE_REG_A
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.std_rset CORE_REG_B, 1
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.std_alu CORE_ALU_ADD
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tlr CORE_REG_A
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tlr CORE_REG_B
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.std_set MEM_CALL_STACK_PTR
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tsr CORE_REG_D
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tlr CORE_REG_A
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tsr CORE_REG_B
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set
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tsr CORE_REG_C
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tlr CORE_REG_PC
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return_call_stack_jump:
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.std_get MEM_CALL_STACK_PTR
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tlr CORE_REG_A
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tlr CORE_REG_C
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.std_rset CORE_REG_B, 1
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.std_alu CORE_ALU_SUB
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tlr CORE_REG_A
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.std_set MEM_CALL_STACK_PTR
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tsr CORE_REG_C
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get
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tlr CORE_REG_PC
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.macro call_stack_jump, call_stack_jump_arg_0_label, call_stack_jump_arg_1_offset
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.std_rset CORE_REG_C, call_stack_jump_arg_0_label
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.std_rset CORE_REG_D, (call_stack_jump_arg_1_offset + 7)
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ts call_stack_jump
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tlr CORE_REG_PC
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.endmacro
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.macro call_stack_jump_cond_if, call_stack_jump_cond_if_arg_0_if_label, call_stack_jump_cond_if_arg_1_offset
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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, (call_stack_jump_cond_if_arg_1_offset + 7)
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ts call_stack_jump
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tlrc CORE_REG_PC
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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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.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_COND_IF_ELSE_SIZE, (OFFSET - prev)
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.delete prev
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.macro call_stack_jump_cond_if_else, call_stack_jump_cond_if_else_arg_0_if_label, call_stack_jump_cond_if_else_arg_1_else_label, call_stack_jump_cond_if_else_arg_2_offset
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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, call_stack_jump_cond_if_else_arg_0_if_label
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.std_rset CORE_REG_D, (call_stack_jump_cond_if_else_arg_2_offset)
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ts call_stack_jump
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tlrc CORE_REG_PC
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.std_rset CORE_REG_C, call_stack_jump_cond_if_else_arg_1_else_label
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.std_rset CORE_REG_D, (call_stack_jump_cond_if_else_arg_2_offset + 11)
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ts call_stack_jump
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tlr CORE_REG_PC
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.delete prev
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.endmacro
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.macro return_call_stack_jump
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.std_jump return_call_stack_jump
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.endmacro
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; data
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; strings
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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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data_strings_end_{{ s.id }}:
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{% endfor %}
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; conditions
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{%- for c in conditions %}
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; condition: {{ c.id }}
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conditions_if_{{ c.id }}:
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{%- for ins in c.data.0 %}
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{{ ins }}
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{%- endfor %}
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.return_call_stack_jump
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conditions_else_{{ c.id }}:
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{%- for ins in c.data.0 %}
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{{ ins }}
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{%- endfor %}
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.return_call_stack_jump
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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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; main
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main:
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.org MAIN_JUMPER
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ts main
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tlr CORE_REG_PC
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.org main
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{%- for node in main %}
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{{ node }}
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{%- endfor %}
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.std_stop
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