hence/henceforth/templates/default.asm
2023-03-24 21:13:40 +01:00

119 lines
2.5 KiB
NASM

{%- macro escape_name(name) -%}
{% if name.starts_with('"') %}{{ name }}{% else %}"{{ name }}"{% endif %}
{%- endmacro -%}
.include "$lib/core.asm"
.include "$lib/std.asm"
.include "$lib/main.asm"
.define MEM_LOOP_I, CORE_MEM_MEM
.define MEM_LOOP_J, (MEM_LOOP_I + 1)
.define MEM_CALL_STACK_LEN, 16
.define MEM_CALL_STACK_PTR, (MEM_LOOP_J + 1)
.define MEM_CALL_STACK_END, (MEM_CALL_STACK_PTR + MEM_CALL_STACK_LEN)
.define MEM_ALLOC_PTR, MEM_CALL_STACK_END
.std_rset CORE_REG_A, MEM_CALL_STACK_PTR
.std_set MEM_CALL_STACK_PTR
.std_rset CORE_REG_A, (MEM_ALLOC_PTR + 1)
.std_set MEM_ALLOC_PTR
.jump_main
call_stack_jump:
.std_get MEM_CALL_STACK_PTR
tlr CORE_REG_A
.std_rset CORE_REG_B, 1
.std_alu CORE_ALU_ADD
tlr CORE_REG_A
tlr CORE_REG_B
.std_set MEM_CALL_STACK_PTR
tsr CORE_REG_D
tlr CORE_REG_A
tsr CORE_REG_B
set
tsr CORE_REG_C
tlr CORE_REG_PC
return_call_stack_jump:
.std_get MEM_CALL_STACK_PTR
tlr CORE_REG_A
tlr CORE_REG_C
.std_rset CORE_REG_B, 1
.std_alu CORE_ALU_SUB
tlr CORE_REG_A
.std_set MEM_CALL_STACK_PTR
tsr CORE_REG_C
get
tlr CORE_REG_PC
.macro stack_transfer_alu
.std_ld
tlr CORE_REG_B
.std_ld
tlr CORE_REG_A
.endmacro
.macro call_stack_jump, call_stack_jump_arg_0_label, call_stack_jump_arg_1_offset
.std_rset CORE_REG_C, call_stack_jump_arg_0_label
.std_rset CORE_REG_D, (call_stack_jump_arg_1_offset + 7)
ts call_stack_jump
tlr CORE_REG_PC
.endmacro
.macro return_call_stack_jump
.std_jump return_call_stack_jump
.endmacro
; data
; strings
{%- for s in strings %}
{% let bytes = s.data.as_bytes() -%}
data_strings_{{ s.id }}:
{% let name = snailquote::escape(s.data) -%}
; original : {% call escape_name(name) %}
; size : {{ bytes.len() }}
{%- for byte in bytes %}
.bytes {{ "0x{:02x}"|format(byte) }}
{%- endfor %}
data_strings_end_{{ s.id }}:
{% endfor %}
; conditions
{%- for c in conditions %}
; condition: {{ c.id }}
conditions_if_{{ c.id }}:
{%- for ins in c.data.0 %}
{{ ins.to_code() }}
{%- endfor %}
conditions_else_{{ c.id }}:
{%- for ins in c.data.0 %}
{{ ins.to_code() }}
{%- endfor %}
{% endfor %}
; words
{%- for w in words %}
words_{{ w.id }}:
{% let name = snailquote::escape(w.data.0) -%}
; name : {% call escape_name(name) %}
{%- for node in w.data.1 %}
{{ node.to_code() }}
{%- endfor %}
.return_call_stack_jump
{% endfor %}
; main
.def_main
ts NULL ; reset tmp
{% for node in main %}
{{ node.to_code() }}
{%- endfor %}
.std_stop