Data commit

Task/Queue-Usage/6502-Assembly/queue-usage-1.6502

@@ -0,0 +1,34 @@
+queuePointerStart equ #$FD
+queuePointerMinus1 equ #$FC     ;make this equal whatever "queuePointerStart" is, minus 1.
+pushQueue:
+STA 0,x
+DEX
+RTS
+
+popQueue:
+STX temp
+LDX #queuePointerStart
+LDA 0,x ;get the item that's first in line
+PHA
+    LDX #queuePointerMinus1
+loop_popQueue:
+    LDA 0,X
+    STA 1,X
+    DEX
+    CPX temp
+    BNE loop_popQueue
+    LDX temp
+    INX
+PLA ;return the item that just left the queue
+RTS
+
+isQueueEmpty:
+LDA #1
+CPX #queuePointerStart
+BEQ yes  ;return 1
+
+SEC
+SBC #1   ;return 0
+
+yes:
+RTS

Task/Queue-Usage/6502-Assembly/queue-usage-2.6502

@@ -0,0 +1,16 @@
+define temp $00
+define queueEmpty $FD
+define queueAlmostEmpty $FC
+
+LDX #queueEmpty  ;set up software queue
+
+LDA #$40
+jsr pushQueue
+
+LDA #$80
+jsr pushQueue
+
+LDA #$C0
+jsr pushQueue
+
+brk

Task/Queue-Usage/6502-Assembly/queue-usage-3.6502

@@ -0,0 +1,18 @@
+define temp $00
+define queueEmpty $FD
+define queueAlmostEmpty $FC
+
+LDX #queueEmpty  ;set up software queue
+
+LDA #$40
+jsr pushQueue
+
+LDA #$80
+jsr pushQueue
+
+LDA #$C0
+jsr pushQueue
+
+jsr popQueue
+
+brk

Task/Queue-Usage/6502-Assembly/queue-usage-4.6502

@@ -0,0 +1,22 @@
+define temp $00
+define queueEmpty $FD
+define queueAlmostEmpty $FC
+
+
+LDX #queueEmpty  ;set up software queue
+
+LDA #$40
+jsr pushQueue
+
+LDA #$80
+jsr pushQueue
+
+LDA #$C0
+jsr pushQueue
+
+jsr popQueue
+
+lda #$ff
+jsr pushQueue
+
+brk