more multiplication/division work

2020-02-29 12:16:54 +01:00
1 parent d762c49312
commit b346cc85c5
@@ -0,0 +1,29 @@
+// #LAYOUT# STD *       #TAKE
+// #LAYOUT# *   BASIC_0 #TAKE
+// #LAYOUT# *   *       #IGNORE
+
+//
+// Math package - helper routines for RESHO manipulation
+//
+
+
+muldiv_RESHO_set_0:
+
+	lda #$00
+	sta RESHO+0
+	sta RESHO+1
+	sta RESHO+2
+	sta RESHO+3
+	sta RESHO+4
+
+	rts
+
+muldiv_RESHO_01_add_A:
+
+	clc
+	adc RESHO+0
+	sta RESHO+0
+	bcc !+
+	inc RESHO+1
+!:
+	rts