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cc65/libsrc/lynx/irq.s

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Moved IRQ hooking / unhooking from startup code to constructor / destructor to avoid linking in the hooking / unhooking code (and callirq) for the majority of cc65 prorams not linking in interruptors. git-svn-id: svn://svn.cc65.org/cc65/trunk@5985 b7a2c559-68d2-44c3-8de9-860c34a00d81
2013-02-12 22:39:38 +00:00
;
; IRQ handling (Lynx version)
;
Removed (pretty inconsistently used) tab chars from source code base.
2013-05-09 11:56:54 +00:00
.export initirq, doneirq
.import callirq
Moved IRQ hooking / unhooking from startup code to constructor / destructor to avoid linking in the hooking / unhooking code (and callirq) for the majority of cc65 prorams not linking in interruptors. git-svn-id: svn://svn.cc65.org/cc65/trunk@5985 b7a2c559-68d2-44c3-8de9-860c34a00d81
2013-02-12 22:39:38 +00:00
Removed (pretty inconsistently used) tab chars from source code base.
2013-05-09 11:56:54 +00:00
.include "lynx.inc"
Moved IRQ hooking / unhooking from startup code to constructor / destructor to avoid linking in the hooking / unhooking code (and callirq) for the majority of cc65 prorams not linking in interruptors. git-svn-id: svn://svn.cc65.org/cc65/trunk@5985 b7a2c559-68d2-44c3-8de9-860c34a00d81
2013-02-12 22:39:38 +00:00
; ------------------------------------------------------------------------
Removed (pretty inconsistently used) tab chars from source code base.
2013-05-09 11:56:54 +00:00
.segment "INIT"
Moved IRQ hooking / unhooking from startup code to constructor / destructor to avoid linking in the hooking / unhooking code (and callirq) for the majority of cc65 prorams not linking in interruptors. git-svn-id: svn://svn.cc65.org/cc65/trunk@5985 b7a2c559-68d2-44c3-8de9-860c34a00d81
2013-02-12 22:39:38 +00:00
initirq:
Removed (pretty inconsistently used) tab chars from source code base.
2013-05-09 11:56:54 +00:00
lda #<IRQStub
ldx #>IRQStub
sei
sta INTVECTL
stx INTVECTH
cli
rts
Moved IRQ hooking / unhooking from startup code to constructor / destructor to avoid linking in the hooking / unhooking code (and callirq) for the majority of cc65 prorams not linking in interruptors. git-svn-id: svn://svn.cc65.org/cc65/trunk@5985 b7a2c559-68d2-44c3-8de9-860c34a00d81
2013-02-12 22:39:38 +00:00
; ------------------------------------------------------------------------
.code
doneirq:
Removed (pretty inconsistently used) tab chars from source code base.
2013-05-09 11:56:54 +00:00
; as Lynx is a console there is not much point in releasing the IRQ
rts
Moved IRQ hooking / unhooking from startup code to constructor / destructor to avoid linking in the hooking / unhooking code (and callirq) for the majority of cc65 prorams not linking in interruptors. git-svn-id: svn://svn.cc65.org/cc65/trunk@5985 b7a2c559-68d2-44c3-8de9-860c34a00d81
2013-02-12 22:39:38 +00:00
; ------------------------------------------------------------------------
Removed (pretty inconsistently used) tab chars from source code base.
2013-05-09 11:56:54 +00:00
.segment "LOWCODE"
Moved IRQ hooking / unhooking from startup code to constructor / destructor to avoid linking in the hooking / unhooking code (and callirq) for the majority of cc65 prorams not linking in interruptors. git-svn-id: svn://svn.cc65.org/cc65/trunk@5985 b7a2c559-68d2-44c3-8de9-860c34a00d81
2013-02-12 22:39:38 +00:00
IRQStub:
Removed (pretty inconsistently used) tab chars from source code base.
2013-05-09 11:56:54 +00:00
phy
phx
pha
cld
jsr callirq
lda INTSET
sta INTRST
pla
plx
ply
rti
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