Merge branch 'res-0-prerendered' into res-2-prerendered

(cherry picked from commit f0b43f7b7c)

build.ts

@@ -15,9 +15,6 @@ const mapPath = "assets/map.ppm";
 const spritesPath = {
   "sprite_empty": "assets/sprites/empty.ppm",
   "sprite_unimplemented": "assets/sprites/placeholder.ppm",
-  "sprite_wall_end": "assets/sprites/wall_end.ppm",
-  "sprite_wall_straight": "assets/sprites/wall_straight.ppm",
-  "sprite_wall_corner": "assets/sprites/wall_corner.ppm",
   "sprite_robot_up": "assets/sprites/robot_up.ppm",
   "sprite_robot_right": "assets/sprites/robot_right.ppm",
   "sprite_robot_down": "assets/sprites/robot_down.ppm",
@@ -27,6 +24,7 @@ const spritesPath = {
   "sprite_ghost_down": "assets/sprites/ghost_down.ppm",
   "sprite_ghost_left": "assets/sprites/ghost_left.ppm",
   "sprite_coin": "assets/sprites/coin.ppm",
+  "screen": "assets/screen.ppm",
 };
 
 /**

src/consts/map.asm

@@ -1,4 +1,3 @@
-; map size 16x12 (or 15x11 with margins)
 pub const map.width = 15
 pub const map.height = 11
 pub const map.size = 165 ; 11*15

src/consts/scene.asm

@@ -1,8 +1,9 @@
 ; given:
-; - 16x12 tiles map
+; -> 256x192 pixels screen
-; - 5x5   pixels tile
+; -> 15x11   tiles map
+; => 17x17   pixels tile
 
 pub const scene.margin_top = 2
 pub const scene.margin_bottom = 3
-pub const scene.margin_left = 2
+pub const scene.margin_left = 0
-pub const scene.margin_right = 3
+pub const scene.margin_right = 1

src/consts/screen.asm

@@ -20,7 +20,7 @@ pub const screen.mode_index = 0
 pub const screen.mode_value = 2
 pub const screen.offset_index = 1
 pub const screen.resolution_index = 2
-pub const screen.resolution_value = 0
+pub const screen.resolution_value = 2
 
-pub const screen.width = 80
+pub const screen.width = 256
-pub const screen.height = 60
+pub const screen.height = 192

src/consts/sprites.asm

@@ -1,29 +1,21 @@
-pub const sprites.width = 5
+pub const sprites.width = 17
-pub const sprites.height = 5 ; unused as sprite are all square
+pub const sprites.height = 17 ; unused as sprite are all square
-pub const sprites.size = 25 ; height x width
+pub const sprites.size = 289 ; height x width
-
-pub const sprites.rotation_0 = 0
-pub const sprites.rotation_90 = 1
-pub const sprites.rotation_180 = 2
-pub const sprites.rotation_270 = 3
 
 pub const sprites.empty = 0 ; must stay 0 (some code avoid addition when it knows the tile is empty)
 pub const sprites.unimplemented = 1
-pub const sprites.wall_end = 2
-pub const sprites.wall_straight = 3
-pub const sprites.wall_corner = 4
 
-pub const sprites.robot = 5
+pub const sprites.robot = 2
-pub const sprites.robot_up = 5
+pub const sprites.robot_up = 2
-pub const sprites.robot_right = 6
+pub const sprites.robot_right = 3
-pub const sprites.robot_down = 7
+pub const sprites.robot_down = 4
-pub const sprites.robot_left = 8
+pub const sprites.robot_left = 5
 
-pub const sprites.ghost = 9
+pub const sprites.ghost = 6
-pub const sprites.ghost_up = 9
+pub const sprites.ghost_up = 6
-pub const sprites.ghost_right = 10
+pub const sprites.ghost_right = 7
-pub const sprites.ghost_down = 11
+pub const sprites.ghost_down = 8
-pub const sprites.ghost_left = 12
+pub const sprites.ghost_left = 9
 
-pub const sprites.coin = 13
+pub const sprites.coin = 10
-pub const sprites.max = 13 ; for lookup table
+pub const sprites.max = 10 ; for lookup table

src/init.asm

@@ -0,0 +1,52 @@
+;
+;   Jump table initialisation
+;
+; r1: sprite id
+; r2: pointer address
+; r3: pointer value
+
+; sprite_empty
+add r1, zr, sprites.empty
+lsl r2, r1, arch.instruction_increment_shift
+add r2, r2, ptr.textures_addresses
+add r3, zr, sprite_empty
+store_32 [r2], r3
+; sprite_unimplemented
+add r1, zr, sprites.unimplemented
+lsl r2, r1, arch.instruction_increment_shift
+add r2, r2, ptr.textures_addresses
+add r3, zr, sprite_unimplemented
+store_32 [r2], r3
+; sprite_robot
+add r1, zr, sprites.robot
+lsl r2, r1, arch.instruction_increment_shift
+add r2, r2, ptr.textures_addresses
+add r3, zr, sprite_robot
+store_32 [r2], r3
+; sprite_ghost
+add r1, zr, sprites.ghost
+lsl r2, r1, arch.instruction_increment_shift
+add r2, r2, ptr.textures_addresses
+add r3, zr, sprite_ghost
+store_32 [r2], r3
+; sprite_coin
+add r1, zr, sprites.coin
+lsl r2, r1, arch.instruction_increment_shift
+add r2, r2, ptr.textures_addresses
+add r3, zr, sprite_coin
+store_32 [r2], r3
+
+;
+;   Screen initialization
+;
+
+; r1 = screen parameter value
+mov r1, screen.mode_index
+screen r1, screen.mode_value
+
+mov r1, screen.offset_index
+add r2, zr, screen
+screen r1, r2
+
+mov r1, screen.resolution_index
+screen r1, screen.resolution_value

src/lib/drawing.asm

@@ -1,46 +1,3 @@
-/* Draw the whole map (fill the screen memory with the values of the sprites based on the map)
-
-	Locals:
-		r1: x map coord
-		r2: y map coord
-		r3: sprite rotation
-		r4: sprite id
-		r12: rotation (returned by `sprite and rotation`)
-		r13: sprite (returned by `get_sprite_id_and_rotation`)
-*/
-pub drawing.draw_whole_map:
-    push r1
-    push r2
-    push r3
-    push r4
-    push r12
-    push r13
-
-    mov r1, 0
-    mov r2, 0
-
-    draw_whole_map_loop:
-        call sprite_rotation.get_sprite_id_and_rotation
-        mov r3, r12
-        mov r4, r13
-        call drawing.draw_sprite_at_map_coord
-        add r1, r1, 1
-        cmp r1, map.width
-        jne draw_whole_map_loop
-        mov r1, 0
-        add r2, r2, 1
-        cmp r2, map.height
-        jne draw_whole_map_loop
-
-    pop r13
-    pop r12
-    pop r4
-    pop r3
-    pop r2
-    pop r1
-
-    ret
-
 /*	Draw the tile corresponding to the given coordinate with it's map content
 
 	Inputs:
@@ -83,7 +40,6 @@ pub drawing.clear_tile:
 
 	mov r1, r13
 	load_32 r2, [r9]
-	mov r3, sprites.rotation_0
 	call draw_sprite
 
 	pop r13
@@ -118,7 +74,7 @@ get_tile_address:
 		cmp r3, sprites.height
 		jne get_tile_address_offset_per_row_loop
 
-	add r13, zr, ptr.screen
+	add r13, zr, screen
 
 	mov r3, 0
 	get_tile_address_margin_top_loop:
@@ -186,8 +142,7 @@ get_sprite_address:
 	Inputs:
 		r1: map x coord
 		r2: map y coord
-		r3: sprite rotation
+		r3: sprite id
-		r4: sprite id
 
 	Locals:
 		r1: screen address
@@ -198,42 +153,36 @@ pub drawing.draw_sprite_at_map_coord:
 	push r1
 	push r2
 	push r3
-	push r4
 	push r13
 
 	call get_tile_address
-	mov r1, r13
+	push r13
-	push r1
 	
-	mov r1, r4
+	mov r1, r3
 	call get_sprite_address
-	mov r2, r13
-	pop r1
 
+	mov r2, r13
+	pop r13
+	mov r1, r13
 	call draw_sprite
 
 	pop r13
-	pop r4
 	pop r3
 	pop r2
 	pop r1
 	ret
 
-/* Draw given sprite (by address) at given screen position (by address) with given rotation
+/* Draw given sprite (by address) at given screen position (by address)
-
 	Inputs:
 		r1: screen address
 		r2: sprite address
-		r3: rotation
 
 	Locals:
 		r1: current screen pixel address
-		r4: x
+		r2: current sprite pixel address
-		r5: y
+		r3: x
-		r6: current sprite pixel address
+		r4: color
-		r7: color
+		r5: sprite last pixel address + 1
-		r8: x increment
-		r9: y increment
 */
 draw_sprite:
 	push r1
@@ -241,67 +190,25 @@ draw_sprite:
 	push r3
 	push r4
 	push r5
-	push r6
-	push r7
-	push r8
-	push r9
 	
-	mov r6, r2
+	add r5, r2, sprites.size
 
-	; rotation
+	mov r3, 0
-	draw_sprite_cmp_rotation_0:
-		cmp r3, sprites.rotation_0
-		jne draw_sprite_cmp_rotation_90
-		mov r8, 1
-		mov r9, 0
-		jmp draw_sprite_loop_init
-	draw_sprite_cmp_rotation_90:
-		cmp r3, sprites.rotation_90
-		jne draw_sprite_cmp_rotation_180
-		add r6, r6, sprites.size
-		sub r6, r6, sprites.width
-		sub r8, zr, sprites.width
-		mov r9, sprites.size
-		add r9, r9, 1
-		jmp draw_sprite_loop_init
-	draw_sprite_cmp_rotation_180:
-		cmp r3, sprites.rotation_180
-		jne draw_sprite_cmp_rotation_270
-		add r6, r6, sprites.size
-		sub r6, r6, 1
-		sub r8, zr, 1
-		mov r9, 0
-		jmp draw_sprite_loop_init
-	draw_sprite_cmp_rotation_270:
-		add r6, r6, sprites.width
-		sub r6, r6, 1
-		mov r8, sprites.width
-		sub r9, zr, sprites.size
-		sub r9, r9, 1
-	
-	draw_sprite_loop_init:
-	mov r4, 0
-	mov r5, 0
 	draw_sprite_loop:
-		load_8 r7, [r6]
+		load_8 r4, [r2]
-		store_8 [r1], r7
+		store_8 [r1], r4
-		add r4, r4, 1
+
 		add r1, r1, 1
-		add r6, r6, r8
+		add r2, r2, 1
-		cmp r4, sprites.width
+		add r3, r3, 1
+		cmp r3, sprites.width
 		jne draw_sprite_loop
-		mov r4, 0
+		mov r3, 0
-		add r6, r6, r9
 		add r1, r1, screen.width
 		sub r1, r1, sprites.width
-		add r5, r5, 1
+		cmp r5, r2
-		cmp r5, sprites.width
 		jne draw_sprite_loop
 		
-	pop r9
-	pop r8
-	pop r7
-	pop r6
 	pop r5
 	pop r4
 	pop r3

src/lib/sprite_rotation.asm

@@ -1,167 +0,0 @@
-/* Return the sprite id and rotation for the given map coordinates
-
-    Inputs:
-        r1: x map coord
-        r2: y map coord
-
-    Outputs:
-        r12: sprite rotation
-        r13: sprite id
-
-    Locals:
-        r3: tile id
-        r4: map offset
-        r5: counter
-        r6: left tile id
-        r7: up tile id
-        r8: right tile id
-        r9: down tile id
-*/
-pub sprite_rotation.get_sprite_id_and_rotation:
-    push r1
-    push r2
-    push r3
-    push r4
-    push r5
-    push r6
-    push r7
-    push r8
-    push r9
-
-    add r4, r1, map
-    mov r5, 0
-    get_sprite_id_and_rotation_map_row_loop:
-        cmp r5, r2
-        je get_sprite_id_and_rotation_map_row_loop_end
-        add r4, r4, map.width
-        add r5, r5, 1
-        jmp get_sprite_id_and_rotation_map_row_loop
-    get_sprite_id_and_rotation_map_row_loop_end:
-
-    mov r12, sprites.rotation_0 ; default rotation
-
-    load_8 r3, [r4]
-    lsl r3, r3, 3 ; 2*instruction_size = *8 = <<3
-    add r3, r3, get_sprite_id_and_rotation_jump_table
-    jmp r3
-
-    get_sprite_id_and_rotation_jump_table:
-    ; tile_empty
-    mov r13, sprites.empty
-    jmp get_sprite_id_and_rotation_return
-    ; tiles_wall
-    jmp get_sprite_id_and_rotation_wall
-    nop
-    ; tile_coin
-    mov r13, sprites.coin
-    jmp get_sprite_id_and_rotation_return
-
-    get_sprite_id_and_rotation_wall:
-    mov r6, 0
-    mov r7, 0
-    mov r8, 0
-    mov r9, 0
-    
-    get_sprite_id_and_rotation_cmp_left:
-        cmp r1, 0
-        je get_sprite_id_and_rotation_cmp_up
-        sub r4, r4, 1
-        load_8 r6, [r4]
-        add r4, r4, 1
-    get_sprite_id_and_rotation_cmp_up:
-        cmp r2, 0
-        je get_sprite_id_and_rotation_cmp_right
-        sub r4, r4, map.width
-        load_8 r7, [r4]
-        add r4, r4, map.width
-    get_sprite_id_and_rotation_cmp_right:
-        cmp r1, map.max_x
-        je get_sprite_id_and_rotation_cmp_down
-        add r4, r4, 1
-        load_8 r8, [r4]
-        sub r4, r4, 1
-    get_sprite_id_and_rotation_cmp_down:
-        cmp r2, map.max_y
-        je get_sprite_id_and_rotation_check_connections
-        add r4, r4, map.width
-        load_8 r9, [r4]
-        sub r4, r4, map.width
-
-    get_sprite_id_and_rotation_check_connections:
-    get_sprite_id_and_rotation_straight_0:
-        cmp r7, map.tiles.wall
-        jne get_sprite_id_and_rotation_straight_90
-        cmp r9, map.tiles.wall
-        jne get_sprite_id_and_rotation_straight_90
-        mov r12, sprites.rotation_0
-        mov r13, sprites.wall_straight
-        jmp get_sprite_id_and_rotation_return
-    get_sprite_id_and_rotation_straight_90:
-        cmp r6, map.tiles.wall
-        jne get_sprite_id_and_rotation_corner_0
-        cmp r8, map.tiles.wall
-        jne get_sprite_id_and_rotation_corner_0
-        mov r12, sprites.rotation_90
-        mov r13, sprites.wall_straight
-        jmp get_sprite_id_and_rotation_return
-
-    get_sprite_id_and_rotation_corner_0:
-        cmp r6, map.tiles.wall
-        jne get_sprite_id_and_rotation_corner_180
-        cmp r9, map.tiles.wall
-        jne get_sprite_id_and_rotation_corner_90
-        mov r12,sprites.rotation_0
-        mov r13, sprites.wall_corner
-        jmp get_sprite_id_and_rotation_return
-    get_sprite_id_and_rotation_corner_90:
-        cmp r7, map.tiles.wall
-        jne get_sprite_id_and_rotation_end_90
-        mov r12,sprites.rotation_90
-        mov r13, sprites.wall_corner
-        jmp get_sprite_id_and_rotation_return
-    get_sprite_id_and_rotation_corner_180:
-        cmp r8, map.tiles.wall
-        jne get_sprite_id_and_rotation_end_0
-        cmp r7, map.tiles.wall
-        jne get_sprite_id_and_rotation_corner_270
-        mov r12,sprites.rotation_180
-        mov r13, sprites.wall_corner
-        jmp get_sprite_id_and_rotation_return
-    get_sprite_id_and_rotation_corner_270:
-        cmp r9, map.tiles.wall
-        jne get_sprite_id_and_rotation_end_270
-        mov r12,sprites.rotation_270
-        mov r13, sprites.wall_corner
-        jmp get_sprite_id_and_rotation_return
-
-    get_sprite_id_and_rotation_end_0:
-        cmp r9, map.tiles.wall
-        jne get_sprite_id_and_rotation_end_180
-        mov r12,sprites.rotation_0
-        mov r13, sprites.wall_end
-        jmp get_sprite_id_and_rotation_return
-    get_sprite_id_and_rotation_end_90:
-        mov r12,sprites.rotation_90
-        mov r13, sprites.wall_end
-        jmp get_sprite_id_and_rotation_return
-    get_sprite_id_and_rotation_end_180:
-        mov r12,sprites.rotation_180
-        mov r13, sprites.wall_end
-        jmp get_sprite_id_and_rotation_return
-    get_sprite_id_and_rotation_end_270:
-        mov r12,sprites.rotation_270
-        mov r13, sprites.wall_end
-        ;jmp get_sprite_id_and_rotation_return
-
-    get_sprite_id_and_rotation_return:
-    pop r9
-    pop r8
-    pop r7
-    pop r6
-    pop r5
-    pop r4
-    pop r3
-    pop r2
-    pop r1
-
-    ret

src/main.asm

@@ -9,8 +9,6 @@ include consts/sprites
 include sections/init_sprite_lookup_table
 include sections/init_screen
 
-call drawing.draw_whole_map
-
 include sections/init_robot_state
 include sections/init_ghost_state
 include sections/init_timers
@@ -47,13 +45,9 @@ jmp game_loop
 include lib/u64
 include lib/game
 include lib/drawing
-include lib/sprite_rotation
 
 include dist/empty
 include dist/placeholder
-include dist/wall_end
-include dist/wall_straight
-include dist/wall_corner
 include dist/robot_up
 include dist/robot_right
 include dist/robot_down
@@ -67,3 +61,5 @@ include dist/coin
 include dist/map
 
 include reserved_space
+
+include dist/screen

src/reserved_space.asm

@@ -2,9 +2,6 @@
 pub ptr.textures_addresses:
 U32 0 ; empty
 U32 0 ; placeholder
-U32 0 ; wall_end
-U32 0 ; wall_straight
-U32 0 ; wall_corner
 U32 0 ; robot up
 U32 0 ; robot right
 U32 0 ; robot down
@@ -40,5 +37,3 @@ U8 0 ; x coord
 U8 0 ; y coord
 U8 0 ; direction
 U8 0 ; [padding]
-
-pub ptr.screen:

src/sections/init_ghost_state.asm

@@ -12,6 +12,5 @@ store_8 [r6], r2
 add r6, r6, 1
 store_8 [r6], r5
 
-mov r3, sprites.rotation_0
+mov r3, sprites.ghost_down
-mov r4, sprites.ghost_down
 call drawing.draw_sprite_at_map_coord

src/sections/init_robot_state.asm

@@ -12,6 +12,5 @@ store_8 [r6], r2
 add r6, r6, 1
 store_8 [r6], r5
 
-mov r3, sprites.rotation_0
+mov r3, sprites.robot_down
-mov r4, sprites.robot_down
 call drawing.draw_sprite_at_map_coord

src/sections/init_screen.asm

@@ -3,7 +3,7 @@ mov r1, screen.mode_index
 screen r1, screen.mode_value
 
 mov r1, screen.offset_index
-add r2, zr, ptr.screen
+add r2, zr, screen
 screen r1, r2
 
 mov r1, screen.resolution_index

src/sections/init_sprite_lookup_table.asm

@@ -17,24 +17,6 @@ lsl r2, r1, arch.instruction_increment_shift
 add r2, r2, ptr.textures_addresses
 add r3, zr, sprite_unimplemented
 store_32 [r2], r3
-; sprite_wall_end
-add r1, zr, sprites.wall_end
-lsl r2, r1, arch.instruction_increment_shift
-add r2, r2, ptr.textures_addresses
-add r3, zr, sprite_wall_end
-store_32 [r2], r3
-; sprite_wall_straight
-add r1, zr, sprites.wall_straight
-lsl r2, r1, arch.instruction_increment_shift
-add r2, r2, ptr.textures_addresses
-add r3, zr, sprite_wall_straight
-store_32 [r2], r3
-; sprite_wall_corner
-add r1, zr, sprites.wall_corner
-lsl r2, r1, arch.instruction_increment_shift
-add r2, r2, ptr.textures_addresses
-add r3, zr, sprite_wall_corner
-store_32 [r2], r3
 
 ; sprite_robot_up
 add r1, zr, sprites.robot_up

src/sections/timer_ghost.asm

@@ -27,8 +27,8 @@ store_32 [r9], r6
 
 /*  Movement
     r1, r2: x, y
-    r3: rotation
+    r3: sprite id
-    r4: direction / sprite id
+    r4: direction
     r5, r6: increments x, y
     r7, r8: [RESERVED]
     r9: pointer
@@ -74,8 +74,7 @@ add r9, r9, 1
 store_8 [r9], r2
 
 ; draw ghost on new position
-mov r3, sprites.rotation_0
+add r3, r4, sprites.ghost
-add r4, r4, sprites.ghost
 call drawing.draw_sprite_at_map_coord
 
 /*

src/sections/timer_robot.asm

@@ -27,8 +27,8 @@ store_32 [r9], r6
 
 /*  Movement
     r1, r2: x, y
-    r3: rotation
+    r3: sprite id
-    r4: direction / sprite id
+    r4: direction
     r5, r6: increments x, y
     r7, r8: [RESERVED]
     r9: pointer
@@ -92,8 +92,7 @@ store_8 [r9], r2
 
 pub timer_robot.draw:
 ; draw robot on new position
-mov r3, sprites.rotation_0
+add r3, r4, sprites.robot
-add r4, r4, sprites.robot
 call drawing.draw_sprite_at_map_coord
 
 pub timer_robot.end:

visuals.md

@@ -23,4 +23,4 @@ Resolution ID | Tile size (in pixels) | Comment
 -- | -- | --
 `0` | `5x5` | with a reminder of 5 pixels en width and 5 pixels in height.
 `1` | `10x10` | with a reminder of 10w and 10h
-`2` | `17x17` | no reminder
+`2` | `17x17` | with a reminder of 1w and 5h