fox32+fox32rom: Change the IO port base to 0x80000000

mouse.asm

@@ -8,7 +8,7 @@
 ; r0: X coordinate
 ; r1: Y coordinate
 get_mouse_position:
-    in r0, 0x0200001F             ; overlay 31: position
+    in r0, 0x8000001F             ; overlay 31: position
     mov r1, r0
     and r0, 0x0000FFFF            ; r0: overlay X position
     sra r1, 16                    ; r1: overlay Y position
@@ -21,7 +21,7 @@ get_mouse_position:
 ; outputs:
 ; r0: button state
 get_mouse_button:
-    in r0, 0x02000400             ; mouse button states
+    in r0, 0x80000400             ; mouse button states
 
     ret
 
@@ -35,15 +35,15 @@ mouse_update:
     push r4
     push r5
 
-    mov r0, 0x0200001F            ; overlay 31: position
-    in r2, 0x02000401             ; mouse position
+    mov r0, 0x8000001F            ; overlay 31: position
+    in r2, 0x80000401             ; mouse position
     out r0, r2
 
     movz.16 r0, r2                ; r0: X position
     mov r1, r2
     sra r1, 16                    ; r1: Y position
 
-    mov r2, 0x02000400            ; mouse button states
+    mov r2, 0x80000400            ; mouse button states
     in r3, r2
 
     ; check click bit
@@ -64,7 +64,7 @@ mouse_update:
 
     ; if a submenu is open, don't push a click event
     ; this is hacky as fuck
-    in r3, 0x0200031D             ; overlay 29: enable status
+    in r3, 0x8000031D             ; overlay 29: enable status
     cmp r3, 0
     ifnz jmp mouse_update_end
 

overlay.asm

@@ -13,8 +13,8 @@ fill_overlay:
     push r31
 
     mov r2, r1
-    or r2, 0x02000100        ; bitwise or the overlay number with the command to get the overlay size
-    or r1, 0x02000200        ; bitwise or the overlay number with the command to get the framebuffer pointer
+    or r2, 0x80000100        ; bitwise or the overlay number with the command to get the overlay size
+    or r1, 0x80000200        ; bitwise or the overlay number with the command to get the framebuffer pointer
     in r1, r1                ; r1: overlay framebuffer poiner
     in r2, r2
     mov r3, r2
@@ -55,14 +55,14 @@ draw_filled_rectangle_to_overlay:
 
     ; calculate pointer to the framebuffer
     mov r6, r5               ; r6: overlay number
-    or r6, 0x02000100        ; bitwise or the overlay number with the command to get the overlay size
+    or r6, 0x80000100        ; bitwise or the overlay number with the command to get the overlay size
     in r7, r6
     and r7, 0x0000FFFF       ; mask off the height, we only need the width
     mul r7, 4                ; r7: overlay width in bytes (width * 4)
     mul r1, r7               ; y * width * 4
     mul r0, 4                ; x * 4
     add r0, r1               ; y * width * 4 + (x * 4)
-    or r5, 0x02000200        ; bitwise or the overlay number with the command to get the framebuffer pointer
+    or r5, 0x80000200        ; bitwise or the overlay number with the command to get the framebuffer pointer
     in r5, r5
     add r0, r5               ; r0: pointer to framebuffer
 
@@ -126,7 +126,7 @@ draw_font_tile_to_overlay:
 
     ; calculate pointer to the framebuffer
     mov r7, r5               ; r7: overlay number
-    or r7, 0x02000100        ; bitwise or the overlay number with the command to get the overlay size
+    or r7, 0x80000100        ; bitwise or the overlay number with the command to get the overlay size
     in r6, r7
     and r6, 0x0000FFFF       ; mask off the height, we only need the width
     mul r6, 4                ; 4 bytes per pixel
@@ -134,7 +134,7 @@ draw_font_tile_to_overlay:
     mul r2, r7               ; y * width * 4
     mul r1, 4                ; x * 4
     add r1, r2               ; y * width * 4 + (x * 4)
-    or r5, 0x02000200        ; bitwise or the overlay number with the command to get the framebuffer pointer
+    or r5, 0x80000200        ; bitwise or the overlay number with the command to get the framebuffer pointer
     in r6, r5
     add r1, r6               ; r1: pointer to framebuffer
 
@@ -233,14 +233,14 @@ check_if_overlay_covers_position:
     push r7
 
     mov r3, r2
-    or r3, 0x02000000        ; bitwise or the overlay number with the command to get the overlay position
+    or r3, 0x80000000        ; bitwise or the overlay number with the command to get the overlay position
     in r4, r3
     mov r5, r4
     and r4, 0x0000FFFF       ; r4: X position
     sra r5, 16               ; r5: Y position
 
     mov r3, r2
-    or r3, 0x02000100        ; bitwise or the overlay number with the command to get the overlay size
+    or r3, 0x80000100        ; bitwise or the overlay number with the command to get the overlay size
     in r6, r3
     mov r7, r6
     and r6, 0x0000FFFF       ; r6: width
@@ -313,7 +313,7 @@ check_if_enabled_overlay_covers_position:
     push r4
 
     mov r3, r2
-    or r3, 0x02000300        ; bitwise or the overlay number with the command to get the overlay enable status
+    or r3, 0x80000300        ; bitwise or the overlay number with the command to get the overlay enable status
     in r4, r3
 
     cmp r4, 0
@@ -343,7 +343,7 @@ make_coordinates_relative_to_overlay:
     push r2
     push r3
 
-    or r2, 0x02000000        ; bitwise or the overlay number with the command to get the overlay position
+    or r2, 0x80000000        ; bitwise or the overlay number with the command to get the overlay position
     in r2, r2
     mov r3, r2
     and r2, 0x0000FFFF       ; r2: overlay X position

rom.asm

@@ -14,7 +14,7 @@ entry:
 
     ; disable all overlays
     mov r31, 0x1F
-    mov r0, 0x02000300
+    mov r0, 0x80000300
 disable_all_overlays_loop:
     out r0, 0
     inc r0
@@ -32,17 +32,17 @@ cursor_overlay_loop:
 
 cursor_enable:
     ; set properties of overlay 31
-    mov r0, 0x0200011F ; overlay 31: size
+    mov r0, 0x8000011F ; overlay 31: size
     mov.16 r1, [overlay_31_height]
     sla r1, 16
     mov.16 r1, [overlay_31_width]
     out r0, r1
-    mov r0, 0x0200021F ; overlay 31: framebuffer pointer
+    mov r0, 0x8000021F ; overlay 31: framebuffer pointer
     mov r1, [overlay_31_framebuffer_ptr]
     out r0, r1
 
     ; enable overlay 31 (cursor)
-    mov r0, 0x0200031F
+    mov r0, 0x8000031F
     out r0, 1
 
     mov r0, background_color
@@ -50,22 +50,22 @@ cursor_enable:
 
 menu_bar_enable:
     ; set properties of overlay 30
-    mov r0, 0x0200001E ; overlay 30: position
+    mov r0, 0x8000001E ; overlay 30: position
     mov.16 r1, [overlay_30_position_y]
     sla r1, 16
     mov.16 r1, [overlay_30_position_x]
     out r0, r1
-    mov r0, 0x0200011E ; overlay 30: size
+    mov r0, 0x8000011E ; overlay 30: size
     mov.16 r1, [overlay_30_height]
     sla r1, 16
     mov.16 r1, [overlay_30_width]
     out r0, r1
-    mov r0, 0x0200021E ; overlay 30: framebuffer pointer
+    mov r0, 0x8000021E ; overlay 30: framebuffer pointer
     mov r1, [overlay_30_framebuffer_ptr]
     out r0, r1
 
     ; enable overlay 30 (menu bar)
-    mov r0, 0x0200031E
+    mov r0, 0x8000031E
     out r0, 1
 
     call clear_menu_bar

submenu.asm

@@ -69,20 +69,20 @@ draw_submenu_items_calculate_x_skip:
     ; set properties of overlay 29
     mov.16 [overlay_29_position_y], 16
     mov [overlay_29_framebuffer_ptr], overlay_29_framebuffer
-    mov r0, 0x0200001D ; overlay 29: position
+    mov r0, 0x8000001D ; overlay 29: position
     mov.16 r1, [overlay_29_position_y]
     sla r1, 16
     mov.16 r1, [overlay_29_position_x]
     out r0, r1
-    mov r0, 0x0200011D ; overlay 29: size
+    mov r0, 0x8000011D ; overlay 29: size
     mov.16 r1, [overlay_29_height]
     sla r1, 16
     mov.16 r1, [overlay_29_width]
     out r0, r1
-    mov r0, 0x0200021D ; overlay 29: framebuffer pointer
+    mov r0, 0x8000021D ; overlay 29: framebuffer pointer
     mov r1, [overlay_29_framebuffer_ptr]
     out r0, r1
-    mov r0, 0x0200031D
+    mov r0, 0x8000031D
     out r0, 1
 
     ; draw empty submenu
@@ -159,7 +159,7 @@ close_submenu:
     push r1
 
     ; disable overlay 29
-    mov r1, 0x0200031D
+    mov r1, 0x8000031D
     out r1, 0
 
     mov r1, 0xFFFFFFFF