Refined the encoding some more.

2022-08-26 19:00:37 +00:00
parent eb5e2c506e
commit e4a191a17e
3 changed files with 25 additions and 52 deletions
@@ -1,45 +1,16 @@
-.org 0x100
-.db msg "Hello, world!", 0
-.db more_stuff "AAAA", 0
+;.org 0x100
+;.db msg "Hello, world!", 0
+;.db more_stuff "AAAA", 0
+copy r7, 45
+cmp r8, 45

-copy r1, more_stuff ;//B0 = 10110000
-copy more_stuff, 45
-loop:
-    cmp r1, 0
-    jz loop
-    add r1, 1
-mov r1, 5   ; move the immediate value 5 into r1
-add r1,5   ; add 5 into r1
-int 21      ; maybe that will call some string drawing BIOS-like routine
-ret
-; form  YYYY YYXX - Y opcode, X modifier
-; nop:  0000 0000
-; copy: 0000 01XX
-; add:  0000 10XX - | Perhaps running these will clear any overflow
-; addc: 0000 11XX - | or under flow flags if no errors occur.
-; sub:  0001 00XX - | jz should clear the zero flag.
-; subb: 0001 01XX - |
-; call: 0001 1100 - Always call [imm16]
-; jmp:  0010 0000 - Always jmp [imm16] (No short jumps)
-; jz:   0010 0100 - Always jz [imm16] (no short jumps)
-; cmp:  0010 11XX
-; push: 0011 11XX -| pop / push imm16/imm8 | reg
-; pop:  0100 00XX -|
-
-; 
-; imm8 imm16 reg
-; mov reg, imm16|reg
-; add reg, imm16|reg
-; int imm16
-; db [label] 'String data here' (Null byte is added implicatly by the assemblier)
-; 
-; enum Type {
-;   Op,
-;   Reg,
-;   Imm16,
-;   Imm8
-; }
-; struct Token {
-;   enum Type type;
-;   char *value;
-; }
+;copy r1, 45 ;//B0 = 10110000
+;copy 2, 45
+;loop:
+;    cmp r1, 0
+;    jz loop
+;    add r1, 1
+;mov r1, 5   ; move the immediate value 5 into r1
+;add r1,5   ; add 5 into r1
+;int 21      ; maybe that will call some string drawing BIOS-like routine
+;ret