e

RGPC1/assemblyone.txt

@@ -8,6 +8,8 @@ R Indicates the value stored in A/B is a register
 
 Opcodes:
 
+    NUL = 00000000 Nothing but faster
+
     ALU = 1XXXXY--
         If Y is 1 invert output
         ADD = -1000Y-- Add A to B output to ACC
@@ -19,7 +21,6 @@ Opcodes:
     MOV = 010000-- Move A to B
 
     JMP = 011000-- Jump to A ignore B(?)
-    A    = 00100000
     JNZ = 000100-- Jump if A is not zero to B
     JGZ = 010100-- Jump if A is greater than zero to B
     JLZ = 001100-- Jump if A is less than zero to B
@@ -34,8 +35,8 @@ Opcodes:
 
 Registers:
 
-    RAM = 1XXXXXXX R/W
-        -0000000 | -1111111
+    RAM = 1XXXXXCC R/W    8bit wide 96 bytes total 32 instructions
+        -00000-- | -11111--
 
     ACC  = 01000000 R     8bit
     A    = 00100000 R/W   8bit
@@ -47,13 +48,13 @@ Registers:
         FULL = 00000001 R   8bit
         DBGO = 00000010 W Debug output  8bit
         DBGI = 00000011 R Debug input   8bit
-        PGCR = 00000100 R/W Program Counter 7bit
+        PGCR = 00000100 R/W Program Counter 5bit
 
 Example program (Human readable + binary):
                 OPCODE   A        B
-    MOV 1 A     01000001;00000001;00100000
-    MOV 1 B     01000001;00000001;01100000
-    MOV -100 C  01000001;11100100;00010000
+    MOV 1 A     01000001;10000000;00100000
+    MOV 1 B     01000001;10000000;01100000
+    MOV -100 C  01000001;00100111;00010000
     MOV A DBGO  01000011;00100000;00000010
 lop:            00101000;00000000;00000000
     ADD A B     11000011;00100000;01100000
@@ -61,5 +62,13 @@ lop:            00101000;00000000;00000000
     MOV ACC A   01000011;01000000;00100000
     MOV A DBG0  01000011;00100000;00000010
     ADD A C     11000011;00100000;00010000
-    JLZ ACC lop 00110010;01000000;00000101
+    JLZ ACC lop 00110010;01000000;10100000
     HLT         00000100;00000000;00000000
+
+Control bus:
+    1  2  3  4  5  6  7  8  9  10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
+    C  R  R  R  R  R  R  R  R  R  P  P  A  A  B  B  C  C  Z  F  D  D  X  X
+    L  A  A  A  A  A  A  A  A  A  G  G  R  W  R  W  R  W  E  U  B  B
+    O  M  M  M  M  M  M  M  M  M  C  C                    R  L  G  G
+    C  L  L  L  L  L  C  C  R  W  R  W                    O  L  O  I
+    K                                                     R  R  W  R