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;;          GNU GENERAL PUBLIC LICENSE                          ;;
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;;          GNU GENERAL PUBLIC LICENSE                          ;;
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;;             Version 2, June 1991                             ;;
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;;             Version 2, June 1991                             ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 2300 $
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$Revision: 2305 $
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; The Queues implemented by these macros form a ring-buffer.
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; The Queues implemented by these macros form a ring-buffer.
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; The data to these queue's always looks like this:
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; The data to these queue's always looks like this:
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; How these slots look like is up to you to chose, normally they should have at least a pointer to where the real data is.
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; How these slots look like is up to you to chose, normally they should have at least a pointer to where the real data is.
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; (you can see some examples below)
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; (you can see some examples below)
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- 
 
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struct	queue
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struct	queue
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	.size		dd ?	; number of queued packets in this queue
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	size	       dd ?    ; number of queued packets in this queue
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	.w_ptr		dd ?	; current writing pointer in queue
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	w_ptr	       dd ?    ; current writing pointer in queue
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	.r_ptr		dd ?	; current reading pointer
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	r_ptr	       dd ?    ; current reading pointer
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	.data:
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ends
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ends
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	mov	edi, [ptr + queue.w_ptr]	; Current write pointer (FIFO!)
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	mov	edi, [ptr + queue.w_ptr]	; Current write pointer (FIFO!)
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	mov	ecx, entry_size/4		; Write the queue entry
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	mov	ecx, entry_size/4		; Write the queue entry
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	rep	movsd				;
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	rep	movsd				;
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	lea	ecx, [size*entry_size+ptr+queue.data]
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	lea	ecx, [size*entry_size+ptr+sizeof.queue]
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	cmp	edi, ecx			; entry size
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	cmp	edi, ecx			; entry size
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	mov	esi, [ptr + queue.r_ptr]
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	mov	esi, [ptr + queue.r_ptr]
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	push	esi
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	push	esi
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	add	esi, entry_size
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	add	esi, entry_size
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	lea	ecx, [size*entry_size+ptr+queue.data]
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	lea	ecx, [size*entry_size+ptr+sizeof.queue]
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	cmp	esi, ecx			; entry size
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	cmp	esi, ecx			; entry size
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}
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}
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macro init_queue ptr {
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macro init_queue ptr {
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	mov	[ptr + queue.size] , 0
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	mov	[ptr + queue.size] , 0
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	lea	edi, [ptr + queue.data]
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	lea	edi, [ptr + sizeof.queue]
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	mov	[ptr + queue.w_ptr], edi
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	mov	[ptr + queue.w_ptr], edi
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	mov	[ptr + queue.r_ptr], edi
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	mov	[ptr + queue.r_ptr], edi