assembler - Change label for program counter from `*addr` to `*`

assembler.js

@@ -20,7 +20,7 @@ exports.assemble = (str, debug = false) => {
 }
 
 // Configure pseudo-ops:
-const POINTER_TO_CURRENT_ADDR_PSEUDO_OPERAND = '*addr';
+const POINTER_TO_CURRENT_ADDR_PSEUDO_OPERAND = '*';
 const CONSTANT_PREFIX = '#';
 const LABEL_PREFIX = '@';
 

notes/2023-08-21--dev-notes.md

@@ -3,7 +3,7 @@
 ## Goals for today
 
 - graphic design
-  - [ ] graphics: 80 col card template
+  - [x] graphics: 80 col card template
   - see below
 - printing
   - [ ] print: paper tape template
@@ -19,7 +19,7 @@
 
 ### 2023-08-18 cardiograph loose thoughts
 
-- use binary encodes punch cards for cardiog progs in machine code
+- use binary encoded punch cards for cardiog progs in machine code
 - try making a microbit based emulator
     - (microbit + hex keypad)
         - (machine code monitor like VIP…)

readme.md

@@ -119,8 +119,8 @@ A 0 B F    Z X C V
     
     ADD #foo        ; use a constant as an operand
 
-    LDA *ADDR       ; `*ADDR` is a magic value referencing the memory address
-                    ; that the current line will store at after assembly
+    LDA *           ; `*` is a special label referencing the memory address
+                    ; where the current line will be stored after assembly
 
 - Hexadecimal numbers are preceded by a `$`
 - Whitespace is ignored

test-programs/referencing-program-counter-during-assembly.asm

@@ -1,9 +1,9 @@
 ;; Test referencing address of line being assembled
 
 NOP ; Push the const below to a later address
-#initAddr *ADDR
+#initAddr *
 
-LDA *ADDR
+LDA *
 STO $25
 FHP 0   ; hop if carry set
  JMP @setCarry