;SystemPatch definitions

DMACONR EQU $2
INTENA EQU $9A
CIAA_PORTREG_A EQU $BFE001
CIAB_PRA    EQU $BFD000
CIAA_PRA    EQU $BFE001
intena EQU $9A
dmaconr EQU $2
_custom equ $DFF000
intreq equ $9C
dmacon EQU $96
intenar EQU $1C
intreqr EQU $1E
EXT_0010 EQU 12345678
EXT_0011 EQU 12345678
EXT_0012 EQU 12345678
NULL EQU 0
AFB_68060 EQU 7
_LVOWriteChunkyPixels EQU -$420


    ; This is non-masked rp stack usage ( used 99.9999% of the time)

HData       = 0    ;.w
Lines       = 2    ;.w
FLWmask     = 4    ;.l
LLWmask     = 8    ;.l
NLWblit     = 12   ;.w
SMask       = 14   ;.w
EndBit      = 16   ;.w
BWidth      = 18   ;.w

; Local info on dest bitmap

DBPR        = 20   ; BytesPerRow
DP0point    = 24   ; these are all adjusted to point
DP1point    = 28   ; to the 1st lw in the blit
DP2point    = 32   ; which may not be the same
DP3point    = 36   ; lw the blit starts in
DP4point    = 40   ;
DP5point    = 44   ;
DP6point    = 48   ;
DP7point    = 52   ;

stacked     = 56






; Masking BM on stack
; BM_Planes
SP0point    = 0
SP1point    = 4
SP2point    = 8
SP3point    = 12
SP4point    = 16
SP5point    = 20
SP6point    = 24
SP7point    = 28

; Stack planes, 32 pixels
SP0     = 32
SP1     = 36
SP2     = 40
SP3     = 44
SP4     = 48
SP5     = 52
SP6     = 56
SP7     = 60

mHData       = 64   ;.w
mLines       = 66   ;.w
mFLWmask     = 68   ;.l
mLLWmask     = 72   ;.l
mNLWblit     = 76   ;.w
mSMask       = 78   ;.w
mEndBit      = 80   ;.w
mBWidth      = 82   ;.w

; Local info on dest bitmap

mDBPR        = 84   ; BytesPerRow
mDP0point    = 88   ; these are all adjusted to point
mDP1point    = 92   ; to the 1st lw in the blit
mDP2point    = 96   ; which may not be the same
mDP3point    = 100  ; lw the blit starts in
mDP4point    = 104  ;
mDP5point    = 108  ;
mDP6point    = 112  ;
mDP7point    = 116  ;

mstacked     = 120


; ** BitMap struct **
BytesPerRow EQU 0   ; UWORD
Rows        EQU 2   ; UWORD
Flags       EQU 4   ; UBYTE
Depth       EQU 5   ; UBYTE
Pad     EQU 6   ; UWORD
Planes      EQU 8   ; PLANEPTRs [8]

;BMF_INTERLEAVED EQU 8

; ** p2c struct **

bmap        EQU 0   ; struct BitMap *
startX      EQU 4   ; UWORD
startY      EQU 6   ; UWORD
width       EQU 8   ; UWORD
height      EQU 10  ; UWORD
chunkybuffer    EQU 12  ; UBYTE *

; **

buffer      EQU 0
lastplaneptr    EQU 32
Width       EQU 36
Height      EQU 38
Modulo      EQU 40
leftpix     EQU 42
rightpix    EQU 44
insidebyte  EQU 46
depth       EQU 48
sizeof_buffer   EQU 52