| Name | Stack effect | Operation | Operation after a b ? |
Operation after a 0? |
ASM |
|---|---|---|---|---|---|
if |
( -- ) |
if zero flag = 0 | if a != b | if a | beq ... |
=if |
( -- ) |
if zero flag = 1 | if a == b | if !a | bne ... |
+if |
( -- ) |
if negative flag = 0 | if (i16)a - (i16)b >= 0 | if (i16)a >= 0 | bmi ... |
-if |
( -- ) |
if negative flag = 1 | if (i16)a - (i16)b < 0 | if (i16)a < 0 | bpl ... |
vif |
( -- ) |
if overflow flag = 0 | n/a | n/a | bvs ... |
^if |
( -- ) |
if overflow flag = 1 | n/a | n/a | bvc ... |
<if |
( -- ) |
if carry flag = 0 | if (u16)a < (u16)b | if false | bcs ... |
>if |
( -- ) |
if carry flag = 1 | if (u16)a >= (u16)b | if true | bcc ... |
| Name | Stack effect | Operation | ASM |
|---|---|---|---|
? |
( a b -- a b ) |
Compares a and b, setting processor flags | |
0? |
( a -- a ) |
Compares a and 0, setting processor flags | cmp #0 |