minor changes

Author: DEntis-T

README.md

@@ -159,7 +159,7 @@ NewASM features many instructions, around 70 of them. Here is a list:
 8. [Union-related instructions](docs/instructions/union.md)
 9. [Switch block instructions](docs/instructions/switch.md)
 10. [I/O port-related instructions](docs/instructions/ioports.md)
-
+11. [Calculated calls and returns](docs/instructions/calc.md)
 
 ***
 #### Language concepts

changelog/build29.md

@@ -24,6 +24,7 @@ Welcome to **`NewASM`**: an interpreted low-level programming language which com
 .start
     mov rax, *rax ; this will get removed immediatelly
 ```
++ Added instructions for calculated calls and returns, mimicking how real functions that C/C++ compiler generates.
 
 ## Fixed issues
 

docs/instructions/calc.md

@@ -0,0 +1,18 @@
+## Calculated calls and returns
+
+> [!WARNING]
+> This feature was added in build 29.
+
+```asm
+.start
+    jmp main
+:label
+    mov tlr, "Hello from func"
+    call std::ios::writeln
+    retc
+:main
+    callc label
+    mov tlr, "Hello from proc"
+    call std::ios::writeln
+    ret 0
+```

src/runtime/common/opcodes.h

@@ -83,8 +83,14 @@ namespace newasm
             {71, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::mod__)},
             {72, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::loop)},
             {73, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::movx)},
+            {74, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::callc)},
+            {75, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::retc)},
+            {76, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::xcgh)},
+            {77, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::retf)},
+            {78, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::await__)},
 
-            {100, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::__say)}
+            {99, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::__say)},
+            {100, newasm::core::lang_inf::instruction_set.at(newasm::core::lang_inf::Link___)}
         };
     }
 }

src/runtime/lang_inf.cpp

@@ -109,41 +109,34 @@ namespace newasm
             const int await__ = 50;//
             const int retf = 51;//
             const int vmov = 52;//
-
             const int switch__ = 53;//
             const int case__ = 54;//
             const int default__ = 55;//
-
             const int in__ = 56;//
             const int out__ = 57;//
-
             const int cast__ = 58;//
             const int async__ = 59;//
-
             const int lea = 60;//
             const int thread__ = 61;//
-
             const int send = 62;//
             const int recv = 63;//
-
             const int del = 64;//
             const int movaddr = 65;//
-
             const int jz = 66;//
             const int jnz = 67;//
 
             const int movasx = 68;//
             const int movas = 69;//
-
             const int sel = 70;//
             const int align = 71;//
-            
             const int merge = 72;//
             const int evt = 73;//
 
             const int mod__ = 74;//
             const int loop = 75;//
             const int movx = 76;//
+            const int callc = 77;//
+            const int retc = 78;//
 
             /// @brief //////
             const int Link___ = 99;
@@ -241,6 +234,8 @@ namespace newasm
                 {loop, "loop"},
 
                 {movx, "movx"},
+                {callc, "callc"},
+                {retc, "retc"},
 
                 {__say, "__say"},
                 {Link___, "link"}