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@@ -163,6 +163,7 @@ F436: 85 27                   STA GBASH        ; 0  pppfghcd  pppfghcd eabab000
 
 C code:
 
+```c
    y = ((address & 0x18) << 3) | ((address & 0x1c00) >> 10) | ((address & 0x380) >> 4);
 
 int HGR_address_to_y( int address ) { 
@@ -170,6 +171,7 @@ int HGR_address_to_y( int address ) {
          | ((address >>  4) & 0x38) // cde 
          | ((address >> 10) & 0x07);// fgh 
 }
+```
 
 # TEXT
 
@@ -185,7 +187,7 @@ Given:
         0000 abcd ---- ----   / 2
         0000 00cd ---- ----   & 3
     +   0000 01cd ---- ----   | 4
-```
+
         ---- ---- 000a bcde   INPUT: Y
         ---- ---- 000a b000   & 0x18
         ---- ---- e00a b000   = temp
@@ -195,7 +197,7 @@ Given:
     +   ---- --00 eaba b000   | temp
 
     =   0000 01cd eaba b000   Address
-```
+
 
 ```assembly
 FBC1: 48        577  BASCALC  PHA              ;CALC BASE ADR IN BASL,H