NEW
  AUTO 3,1
*--------------------------------------
CB.InitCacheA	sta CB.Cache+S.CB.CMD
*--------------------------------------
CB.ClearCache	ldx #S.CB-1

.1				stz CB.Cache,x
				dex
				bne .1

				rts
*--------------------------------------
CB.GetInCache	>STYA .1+1

				ldx #S.CB-1

.1				lda $ffff,x				SELF MODIFIED
				sta CB.Cache,x
				dex
				bpl .1

				rts
*--------------------------------------
CB.GetBuf		clc

				ldx hCBBuf
				bne .9

				>LDYAI 512
				>SYSCALL2 GetMem
				bcs .9

				stx hCBBuf
				>STYA ZPCBPtr
				>STYA ZPCBBufPtr

.9				rts
*--------------------------------------
CB.Cache2CBBuf
				lda CB.Cache
				lsr
				tax
				ldy CB.CmdLen-1,x

				ldx #0

.1				lda CB.Cache,x
				sta (ZPCBBufPtr)
				inc ZPCBBufPtr
				bne .2

				inc ZPCBBufPtr+1

.2				inx
				dey
				bpl .1

				rts
*--------------------------------------
CB.FlushBufToYA	ldx hCBBuf
				beq .8

				pha
				phy

				bit PTR.bVisible
				bpl .1

				jsr PTR.Hide.I

.1				lda #0
				sta (ZPCBBufPtr)

				ply
				pla

				jsr OBJ.GetInCache

.2				lda (ZPCBPtr)
				beq .7

				>LDYA ZPCBPtr
				jsr	CB.GetInCache		A = CB.CMD

				cmp #S.CB.CMD.DRAWTEXT2
				bne .4

				lda #S.CB.CMD.DRAWTEXT+S.CB.CMD.OSD
				sta CB.Cache+S.CB.CMD
				jsr CB.GFXWrite
				bcs .9

				jsr CLIP.CB.Cache
				bcs .3

				jsr CB.GFXWrite

.3				lda CB.Cache+S.CB.SrcPtr
				>SYSCALL2 FreeStkObj
				bra .5

.4				jsr CLIP.CB.Cache
				bcs .5

				jsr CB.GFXWrite

.5				lda (ZPCBPtr)			Get Cmd
				lsr
				tax
				lda CB.CmdLen-1,x
				sec						+1
				adc ZPCBPtr
				sta ZPCBPtr
				bcc .2

				inc ZPCBPtr+1
				bra .2

.7				lda hCBBuf
				stz hCBBuf
				>SYSCALL2 FreeMem

				bit PTR.bVisible
				bpl .8

				jmp PTR.Show.I

.8				clc
.9				rts
*--------------------------------------
CB.GFXWrite		>PUSHB WND.Screen+S.OBJ.hPARENT
				>PUSHBI IOCTL.WRITE
				>PUSHW L.CB.Cache
				>SYSCALL2 IOCTL
				rts
*--------------------------------------


*--------------------------------------
MAN
SAVE usr/src/lib/libgui.s.cb
LOAD usr/src/lib/libgui.s
ASM