****************
* global register equates
                UNREG JSR_DUMMY,SP,JSR_DUMMY.a,SP.a
IRQ_RTS         reg 30
SP              reg 29
JSR_DUMMY       reg 28

status          reg 27          
screen1_ptr     reg 26
YADD            REG 25
screen_ptr      REG 24
pattern_ptr     REG 23
FLAG            REG 22
BORDER          REg 21
JOYPAD          REG 20
UPDATE          REG 19
X_Flag          reg 18
Y_Flag          reg 17
last_sec        reg 16


blitter         REG 14
PauseFlag       REG 13

****************
IRQ_SP.a        REG 31
IRQ_RTS.a       REG 30
IRQ_FLAGADR.a   REG 29
IRQ_FLAG.a      REG 28

_50Hz.a         REG 26

sec.a           REG 25
LinesToGo.a     REG 24
ScreenPtr.a     REG 23
DropInit0.a     REG 22
StonePtr2.a     REG 21
ms.a            REG 20
High.a          REG 19
Points.a        REG 18
LastLevel.a     REG 17
Lines.a         REG 16

blitter.a       REG 14
Cursor.a        REG 13

IRQdummy1.a     REG 11
IRQdummy.a      REG 10
StonePtr.a      REG  9
Level.a         REG  8
DropInit.a      REG  7
DropCounter.a   REG  6
y_pos.a         REG  5
x_pos.a         REG  4

IRQdummy2.a     REG  2
IRQdummy3.a     REG  1
