Fixed input bugs.

Input from stdin now works as expected in the emulator. New program to demo input from the command line.
2024-11-01 16:41:25 -04:00
parent 67eea181b8
commit c512f07305
3 changed files with 63 additions and 12 deletions
@@ -0,0 +1,55 @@
+; This program asks the user for input, then prints whatever they input back to the console again.
+; It stores the input string in a buffer in the Data Memory.
+
+#Include Libraries/print.asm
+
+#Program
+
+start:
+  SETD Message0     ; Set the Data Pointer to the explanation message.
+  CALL printString  ; Print it out.
+  CALL lineFeed
+  SETD Buffer       ; Set the Data Pointer to the start of the buffer.
+  INIB 0x0A         ; Load the value of a linefeed into B.
+ inputLoop:
+  INA 0x00          ; Poll the command line.
+  CCF
+  SUB
+  BRQ inputEnd      ; If we encountered a linefeed, the string is over, proceed to processing.
+  STA               ; Store A into the buffer.
+  INCD              ; Increment to the next spot in the buffer.
+  BRI inputLoop     ; Loop again to grab more string.
+ inputEnd:
+  INIA 0x00         ; Set A to 0.
+  STA               ; Store it in the buffer.
+  SETD Buffer       ; Set the Data Pointer to the start of the buffer again.
+  CALL printString  ; Print it out.
+  CALL lineFeed
+  HALT              ; End the program.
+
+#Data
+
+; A 256 character buffer for the input string.
+; There will need to be some kind of way to define large arrays better than this...
+Buffer:
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+
+Message0:
+  "Input Test: Will echo anything you put in."
+
+