Routines
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39086: Clear Entity
Used by the routines at CreatePickup, CreateSpawnedEntity and UpdateSaucerEntity.
Sets all of the bytes of an entity to zero, using the stack.
Input
IX The entity
ClearEntity 39086 PUSH IX Copy the address of the entity into HL (using the stack).
39088 POP HL
39089 LD DE,38 DE is 38 the size of an entity.
39092 ADD HL,DE Point HL at the end of the entity.
39093 LD (39120),SP Save the stack pointer in the operand of the instruction at 39119.
39097 LD SP,HL Point the stack at the end of the entity.
39098 LD E,0 DE is 0.
39100 PUSH DE Write 0 to the 38 bytes of the entity, 2 bytes at a time.
39101 PUSH DE
39102 PUSH DE
39103 PUSH DE
39104 PUSH DE
39105 PUSH DE
39106 PUSH DE
39107 PUSH DE
39108 PUSH DE
39109 PUSH DE
39110 PUSH DE
39111 PUSH DE
39112 PUSH DE
39113 PUSH DE
39114 PUSH DE
39115 PUSH DE
39116 PUSH DE
39117 PUSH DE
39118 PUSH DE
39119 LD SP,0 Restore the stack pointer.
39122 RET Return.
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