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asm-to-prg.py

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+filename = "try_to_fix_me.asm"
+
+
+#
+#  Change the filename here to the path of your asm file
+#  then copy the output to 'main.py' and replace the 'program' variable 
+#  with the list, then run the 'main.py' file with python 3.11+
+#
+#  there are 2 example programs, one that demonstrates bitmap mode
+#  and one that demonstrates text mode, with typing useing the bios 
+#  interupts.
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+
 import re
 from termcolor import colored
 
-filename = "main.asm"
 
 with open(filename,"r") as f:
     lines = f.readlines()

example.asm

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+; 0x00 -> print register a as char
+; 0x01 -> print register a as int
+;
+; 0xFF -> Halt
+; 0xFE -> Error Interupt
+; 0xF6 -> put keycode of currently pressed key in A register
+;         and but a value (bool)(0 or 1) into b register to
+;         indicate whether it is the first time this key has been 
+;         pressed.
+;
+;
+; 0x70 -> Init graphics, 
+;         (A) mode
+;         (B) X resolution
+;         (C) Y Resulution
+; 0x71 -> Set Pixel, (bitmap mode)
+;         (A) Color (0x000000 to 0xFFFFFF)
+;         (B) x position
+;         (C) y position
+; 0x72 -> Set Char, (Text Mode)
+;         (A) Character Code
+;         (B) Cursor Position 
+;         (C) Color (0x000000 to 0xFFFFFF)
+;
+;
+;  ! ALLL FILESYSTEM DRIVE NUMBER ARE LOCAL FILES !
+;  drive( drive number (0 to 9)).bin
+;  "drive8.bin"
+;
+;  drive number  -> ( 0 to 9 )
+;  sector number -> ( 0 to 15 )
+;  byte offset   -> ( 0 to 254 )
+
+;
+; 0x80 -> read byte from disk
+;         (A) drive number
+;         (B) sector number 
+;         (C) byte offset
+;         moves output to A register
+; 0x81 -> write byte from disk
+;         (A) drive number
+;         (B) sector number 
+;         (C) byte offset
+;         (D) byte to write
+
+
+
+main:
+    ldw a, 0xFF     ;  load 255 to A register, Unused
+    str a, 0xFF      ;  will cause an error because its writing to program memory
+                    ;  You will have to make the address bigger than the program
+    int 0x00        ;  interupt to print a register to terminal as a char (debug)
+    
+    ldw a, 0        ; will be the graphics mode
+    str a, 0xF0     ; copy A register to memory address   
+    
+    ldw a, 800      ; screen width
+    str a, 0xF1     ; copy A register to memory address     
+    
+    ldw a, 600      ; screen height
+    str a, 0xF2     ; copy A register to memory address
+    jsr init_graphics_mode
+    
+    
+    
+init_graphics_mode:
+    push a
+    push b
+    push c
+    
+    ldr a, 0xF0 ; copy data from memory address to register 'A'
+    ldr b, 0xF1 ; copy data from memory address to register 'B'
+    ldr c, 0xF2 ; copy data from memory address to register 'C'
+    
+    int 0x70    ; all interupts in 0x70 - 0x7F are for graphics, 
+                ; only 0x70 to 0x72 are implemented
+                
+    pop c
+    pop b
+    pop a
+    
+    ret

try_to_fix_me.asm

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+; 0x00 -> print register a as char
+; 0x01 -> print register a as int
+;
+; 0xFF -> Halt
+; 0xFE -> Error Interupt
+; 0xF6 -> put keycode of currently pressed key in A register
+;         and but a value (bool)(0 or 1) into b register to
+;         indicate whether it is the first time this key has been 
+;         pressed.
+;
+;
+; 0x70 -> Init graphics, 
+;         (A) mode
+;         (B) X resolution
+;         (C) Y Resulution
+; 0x71 -> Set Pixel, (bitmap mode)
+;         (A) Color (0x000000 to 0xFFFFFF)
+;         (B) x position
+;         (C) y position
+; 0x72 -> Set Char, (Text Mode)
+;         (A) Character Code
+;         (B) Cursor Position 
+;         (C) Color (0x000000 to 0xFFFFFF)
+;
+;
+;  ! ALLL FILESYSTEM DRIVE NUMBER ARE LOCAL FILES !
+;  drive( drive number (0 to 9)).bin
+;  "drive8.bin"
+;
+;  drive number  -> ( 0 to 9 )
+;  sector number -> ( 0 to 15 )
+;  byte offset   -> ( 0 to 254 )
+
+;
+; 0x80 -> read byte from disk
+;         (A) drive number
+;         (B) sector number 
+;         (C) byte offset
+;         moves output to A register
+; 0x81 -> write byte from disk
+;         (A) drive number
+;         (B) sector number 
+;         (C) byte offset
+;         (D) byte to write
+
+
+
+main:
+    ldw a, 0xFF     ;  load 255 to A register, Unused
+    str a, 0x0F      ;  will cause an error because its writing to program memory
+                    ;  You will have to make the address bigger than the program
+    int 0x00        ;  interupt to print a register to terminal as a char (debug)
+    
+    ldw a, 0        ; will be the graphics mode
+    str a, 0xF0     ; copy A register to memory address   
+    
+    ldw a, 800      ; screen width
+    str a, 0xF1     ; copy A register to memory address     
+    
+    ldw a, 600      ; screen height
+    str a, 0xF2     ; copy A register to memory address
+    jsr _init_graphics_mode
+    
+    
+    
+init_graphics_mode:
+    push a
+    push b
+    push c
+    
+    ldw g, 0xFF ; This is never used
+    
+    ldr a, 0xF0 ; copy data from memory address to register 'A'
+    ldr b, 0xF1 ; copy data from memory address to register 'B'
+    ldr c, 0xF2 ; copy data from memory address to register 'C'
+    
+    int 0x70    ; all interupts in 0x70 - 0x7F are for graphics, 
+                ; only 0x70 to 0x72 are implemented
+                
+    pop b
+    pop a
+    
+    ret