wip-hugo/routines/line/line.inc

@@ -1,12 +1,15 @@
 ;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
+
+;;Not values but register position in memory
+        ;; F4 - EB
+        X_end = $EF
+        Y_end = $F0
+        dx = $F3
+        dy = $F1
+        dy_2 = $F1          ; 16-bit value (uses F2)
+        dx_2 = $F3          ; 16-bit value (uses F4)
+        V = $ED             ; 16-bit value (uses EE)
+        D = $EB             ; 16-bit value (uses EC)
+        ;; These come from pixel.inc
+        ;; Takes up FF - F5
         .include "../pixel/pixel.inc"
-        ;; public args
-        X_end = ARGVEC + 2
-        Y_end = ARGVEC + 3
-        ;; private args
-        dx = $E0
-        dy = $E2
-        dy_2 = dy          ; 16-bit value (uses E1)
-        dx_2 = dx          ; 16-bit value (uses E3)
-        V = $E4             ; 16-bit value (uses E5)
-        D = $E6             ; 16-bit value (uses E7)

wip-hugo/routines/line/line_test.s

@@ -3,7 +3,7 @@
 ;; Program for testing of line-drawing. It draws a bunch of lines
 ;;Start line-timer-here
         .include "line.inc"
-        .include "../memory/mem.inc"
+
         Y_pos_ = $0D
         X_pos_ = $0E
         Y_end_ = $10
@@ -48,7 +48,9 @@ end__:
         jmp @loop
 end:
         ;;Long lines
-        ;;Lets clear bitmap
+        ;;Lets cleer bitmap
+        B_start = $FC ;16-bit value (uses FD)
+        B_end = $FE   ;16-bit value (uses FF)
         VIC_bank = $4000
         VIC_bank_end = VIC_bank + $3FFF
         ;;Paint the bitmap black. More bitmap: https://www.c64-wiki.com/wiki/53272, https://www.c64-wiki.com/wiki/Screen_RAM#Moving_of_screen_RAM

wip-hugo/routines/memory/mem.inc

@@ -1,6 +1,6 @@
 ;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
 
-        ;;Public args
-        A_start = $D0      ; 16-bit value (uses D1)
-        B_start = $D2      ; 16-bit value (uses D3)
-        B_end = $D4        ; 16-bit value (uses D5)
+;;In use of in memcpy and memset
+        A_start = $FA      ; 16-bit value (uses FB)
+        B_start = $FC      ; 16-bit value (uses FD)
+        B_end = $FE        ; 16-bit value (uses FF)

wip-hugo/routines/pixel/pixel.inc

@@ -1,9 +1,6 @@
-;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
-      ;; public args
-       Y_pos = ARGVEC + 0
-       X_pos = ARGVEC + 1
-       ;; Private args
-       byte_to_paint = $E8
-       btp_mem_pos = $E9  ; 16-bit value (uses EA), byte to paint memory position
-       C = $EB            ; 16-bit value (uses EC)
-       B = $ED            ; 16-bit value (uses EE)
+        Y_pos = $FB
+        X_pos = $FC        ; 16-bit value (uses FD)
+        byte_to_paint = $FE
+        btp_mem_pos = $F9  ; 16-bit value (uses FA), byte to paint memory position
+        C = $F7            ; 16-bit value (uses F8)
+        B = $F5            ; 16-bit value (uses F6)

wip-hugo/routines/pixel/pixel_draw.s

@@ -36,7 +36,7 @@ end__:
 	AND X_pos
 	STA btp_mem_pos
 
-	LDA #$00
+	LDA X_pos + 1
 	STA btp_mem_pos + 1
 
 	;;The y_pos adds offset because chunk offsets + inside chunk offset.