Big player

plat.s

@@ -335,7 +335,7 @@ level:
 .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+.byte 0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0
 .byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 .byte 0,0,0,0,0,0,0,0,1,0,1,0,1,0,0,0
 .byte 0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0
@@ -362,8 +362,10 @@ example_palette:
 .segment "ZEROPAGE"
 buttons:    .res 1
 
-vel_x: .res 1
+player_pos_x:   .res 1
-vel_y: .res 1
+player_pos_y:   .res 1
+player_vel_x:   .res 1
+player_vel_y:   .res 1
 
 cursor_x: .res 1
 cursor_y: .res 1
@@ -411,10 +413,32 @@ main:
 
 @draw:
     jsr update_background
+    jsr draw_player
 	jsr ppu_update
 
 	jmp @loop
 
+draw_player:
+    lda player_pos_y
+    sec
+    sbc #1
+    sta oam + (4 * 2) + 0
+    sta oam + (4 * 3) + 0
+    sec
+    sbc #8
+    sta oam + (4 * 0) + 0
+    sta oam + (4 * 1) + 0
+
+    lda player_pos_x
+    sta oam + (4 * 1) + 3
+    sta oam + (4 * 3) + 3
+    sec
+    sbc #8
+    sta oam + (4 * 0) + 3
+    sta oam + (4 * 2) + 3
+
+    rts
+
 init_objects:
     lda #0
     sta var_n
@@ -425,8 +449,8 @@ init_objects:
         adc #8
         sta var_n
 
-        sta oam+0, X ; Set Y position
+        sta player_pos_y, X ; Set Y position
-        sta oam+3, X ; Set X position
+        sta player_pos_x, X ; Set X position
 
         txa
         lsr
@@ -441,8 +465,8 @@ init_objects:
         bne :-
 
     lda #0
-    sta vel_x
+    sta player_vel_x
-    sta vel_y
+    sta player_vel_y
 
     rts
 
@@ -458,7 +482,7 @@ movement:
     beq :+
         ldx #1
         lda #3
-        sta vel_x
+        sta player_vel_x
     :
 
     jsr btn_left
@@ -466,7 +490,7 @@ movement:
     beq :+
         ldx #1
         lda #253
-        sta vel_x
+        sta player_vel_x
     :
 
     cpx #1
@@ -477,20 +501,20 @@ movement:
         bne @end
 
         lda #0
-        cmp vel_x
+        cmp player_vel_x
-        beq @end ; If vel_x = 0, skip decay
+        beq @end ; If player_vel_x = 0, skip decay
 
-        ; If vel_x > 0, decrement
+        ; If player_vel_x > 0, decrement
         bpl :+
-            ldx vel_x
+            ldx player_vel_x
             dex
-            stx vel_x
+            stx player_vel_x
             jmp @end
         :
-        ; Else if vel_x < 0, increment
+        ; Else if player_vel_x < 0, increment
-        ldx vel_x
+        ldx player_vel_x
         inx
-        stx vel_x
+        stx player_vel_x
     @end:
 
     ; Jump
@@ -503,7 +527,7 @@ movement:
 
     ; Jump newly pressed this frame
     lda #250
-    sta vel_y
+    sta player_vel_y
 
     @fail_jump:
     
@@ -516,42 +540,42 @@ movement:
     and #1
     cmp #0
     bne :+
-        lda vel_y
+        lda player_vel_y
         clc
         adc #1    ; Add 2 to velocity
-        sta vel_y
+        sta player_vel_y
     :
 
     ; Apply Y velocity
-    lda oam+0
+    lda player_pos_y
     clc
-    adc vel_y
+    adc player_vel_y
-    sta oam+0
+    sta player_pos_y
 
     ; Keep grounded
     cmp #200
     bcc :+
         lda #0
-        sta vel_y
+        sta player_vel_y
         lda #200
-        sta oam+0
+        sta player_pos_y
     :
 
     ; Bonk
     lda #8
-    cmp oam+0
+    cmp player_pos_y
     bcc :+
         lda #0
-        sta vel_y
+        sta player_vel_y
         lda #8
-        sta oam+0
+        sta player_pos_y
     :
 
     ; Apply X velocity
-    lda oam+3
+    lda player_pos_x
     clc
-    adc vel_x
+    adc player_vel_x
-    sta oam+3
+    sta player_pos_x
 
 
     rts