hence/examples/testforth.asm

157 lines
3.6 KiB
NASM

.include "$lib/core.asm"
.include "$lib/std.asm"
;.include "$lib/main.asm"
.define_eval prev, OFFSET
ts 0xffff
tlr CORE_REG_PC
.define_eval diff, (OFFSET - prev)
.define_eval MAIN_JUMPER, (CORE_MEM_PRG_END - diff)
.org prev
.delete prev, diff
.define_eval MAIN_JUMPER, (CORE_MEM_PRG_END - 3 - 1)
.define_eval MEM_LOOP_DEPTH, CORE_MEM_MEM
.define_eval MEM_LOOP_I, (MEM_LOOP_DEPTH + 1)
.define_eval MEM_LOOP_J, (MEM_LOOP_I + 1)
.define_eval MEM_CALL_STACK_LEN, 16
.define_eval MEM_CALL_STACK_PTR, (MEM_LOOP_J + 1)
.define_eval MEM_CALL_STACK_END, (MEM_CALL_STACK_PTR + MEM_CALL_STACK_LEN)
.define_eval MEM_ALLOC_PTR, (MEM_CALL_STACK_END + 1)
.macro stack_transfer_alu
.std_ld
tlr CORE_REG_B
.std_ld
tlr CORE_REG_A
.endmacro
.std_rset CORE_REG_A, MEM_CALL_STACK_PTR
.std_set MEM_CALL_STACK_PTR
.std_rset CORE_REG_A, MEM_ALLOC_PTR
.std_set MEM_ALLOC_PTR
.std_jump MAIN_JUMPER
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 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 call_stack_jump_cond_if, call_stack_jump_cond_if_arg_0_if_label, call_stack_jump_cond_if_arg_1_offset
.std_ld
tlr CORE_REG_A
.std_rset CORE_REG_C, call_stack_jump_cond_if_arg_0_if_label
.std_rset CORE_REG_D, (call_stack_jump_cond_if_arg_1_offset + 7)
ts call_stack_jump
tlrc CORE_REG_PC
.endmacro
.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
.std_ld
tlr CORE_REG_A
.std_rset CORE_REG_C, call_stack_jump_cond_if_else_arg_0_if_label
.define_eval call_stack_jump_cond_if_else_local_end_offset, (call_stack_jump_cond_if_else_arg_2_offset + 11)
.debug call_stack_jump_cond_if_else_local_end_offset
.std_rset CORE_REG_D, call_stack_jump_cond_if_else_local_end_offset
ts call_stack_jump
tlrc CORE_REG_PC
.std_rset CORE_REG_C, call_stack_jump_cond_if_else_arg_1_else_label
.std_rset CORE_REG_D, (call_stack_jump_cond_if_else_arg_2_offset + 11)
ts call_stack_jump
tlr CORE_REG_PC
.debug call_stack_jump_cond_if_else_local_end_offset
.delete call_stack_jump_cond_if_else_local_end_offset
.endmacro
.macro return_call_stack_jump
.std_jump return_call_stack_jump
.endmacro
; data
; strings
; conditions
; condition: 0
conditions_if_0:
push 42
.std_ld
tlr CORE_REG_A
.std_set CORE_MEM_OUT
.std_rset CORE_REG_A, '\n'
.std_set CORE_MEM_CHR
.return_call_stack_jump
conditions_else_0:
push 42
.std_ld
tlr CORE_REG_A
.std_set CORE_MEM_OUT
.std_rset CORE_REG_A, '\n'
.std_set CORE_MEM_CHR
.return_call_stack_jump
; words
words_0:
; name : "test"
push 40
push 2
.stack_transfer_alu
.std_alu CORE_ALU_ADD
tls
.return_call_stack_jump
; main
main:
.org MAIN_JUMPER
ts main
tlr CORE_REG_PC
.org main
push 0
.call_stack_jump_cond_if_else conditions_if_0, conditions_else_0, OFFSET
.call_stack_jump words_0, OFFSET
dbg
.call_stack_jump words_0, OFFSET
dbg
.std_stop