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flag_struct.txt
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flag_struct.txt
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;用来存放flag的结构
; 初始化结构
; numalias Address, 100
; numalias Length, 5
; >>> flags_init Address, Length
; $Address = "00000" & %Address = 5
@def flags_init %1, %2
mov %%1, %2
mov $%1, ""
for %2 = %2 to 1 step -1
add $%1, "0"
next
return
; 设置某个位置的flag
; 注意,flag的位置从1到Length, 并只能将该位置的值设置为0~9中的数值
; >>> flags_set Address, 3, 2
; $Address = "00200"
@def flags_set %1, %2, %3
if %3 > 9 mov %3, 9:skip 2
if %3 < 0 mov %3, 0
mid $1, $%1, %2, %%1-%2
mid $%1, $%1, 0, %2-1
itoa $2, %3
add $%1, $2
add $%1, $1
return
; 取得某个位置的flag
; numalias Value, 1
; >>> flags_get %Value, Address, 3
; %Value = 2
@def flags_get i%3, %1, %2
mid $1, $%1, %2-1, 1
atoi %%3, $1
return
; 将某个位置的flag的值增加一定的值
; 最后一个参数是增加的值,用负数即可表示减少
; 注意,最终值仍然被限定在0~9之间
; >>> flags_change Address, 3, 4
; $Address = "00600"
@def flags_change %1, %2, %3
mid $1, $%1, %2, %%1-%2
mid $2, $%1, %2-1, 1
mid $%1, $%1, 0, %2-1
atoi %2, $2
add %3, %2
if %3 > 9 mov %3, 9:skip 2
if %3 < 0 mov %3, 0
itoa $2, %3
add $%1, $2
add $%1, $1
return