48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#include "impl_macros.h"
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#define mathOperatorImpl(OPERATOR){\
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u8 dst_register_i = 0, src_register_i = 0;\
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readRegisterVar(dst_register_i);\
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readRegisterVar(src_register_i);\
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u8 value_size = 0;\
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readValueSizeVar(value_size);\
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\
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switch(value_size){\
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case 1: \
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vm->registers[dst_register_i].u8v0 OPERATOR##= vm->registers[src_register_i].u8v0;\
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break;\
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case 2: \
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vm->registers[dst_register_i].u16v0 OPERATOR##= vm->registers[src_register_i].u16v0;\
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break;\
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case 4: \
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vm->registers[dst_register_i].u32v OPERATOR##= vm->registers[src_register_i].u32v;\
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break;\
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}\
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return sizeof(dst_register_i) + sizeof(src_register_i) + sizeof(value_size);\
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}
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/// ADD [dst_register] [src_register]
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i32 ADD_impl(VM* vm, size_t pos){
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mathOperatorImpl(+);
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}
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/// SUB [dst_register] [src_register]
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i32 SUB_impl(VM* vm, size_t pos){
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mathOperatorImpl(-);
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}
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/// MUL [dst_register] [src_register]
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i32 MUL_impl(VM* vm, size_t pos){
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mathOperatorImpl(*)
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}
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/// DIV [dst_register] [src_register]
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i32 DIV_impl(VM* vm, size_t pos){
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mathOperatorImpl(/)
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}
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/// MOD [dst_register] [src_register]
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i32 MOD_impl(VM* vm, size_t pos){
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mathOperatorImpl(%)
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}
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