cleanups and add more comments

[cc65] / libsrc / supervision / crt0.s

diff --git a/libsrc/supervision/crt0.s b/libsrc/supervision/crt0.s
index bb82de3ee08a29e06a02d7e81fb2515de676c1e7..11d23927706499fa7d382b9631535dcd61368319 100644 (file)
--- a/libsrc/supervision/crt0.s
+++ b/libsrc/supervision/crt0.s
@@ -5,17 +5,17 @@
         .export         _exit
         .export         __STARTUP__ : absolute = 1      ; Mark as startup
 
-       .import         _main
+        .import         _main
         .import         initlib, donelib, copydata
         .import         zerobss
-       .import         __RAM_START__, __RAM_SIZE__     ; Linker generated
-       .import         __STACKSIZE__                   ; Linker generated
+        .import         __RAM_START__, __RAM_SIZE__     ; Linker generated
+        .import         __STACKSIZE__                   ; Linker generated
 
-       .include "zeropage.inc"
-       .include "supervision.inc"
+        .include "zeropage.inc"
+        .include "supervision.inc"
 
-       .export _sv_irq_timer_counter, _sv_irq_dma_counter
-       .export _sv_nmi_counter
+        .export _sv_irq_timer_counter, _sv_irq_dma_counter
+        .export _sv_nmi_counter
 
 .bss
 
@@ -26,41 +26,41 @@ _sv_nmi_counter:        .byte 0
 .code
 
 reset:
-       jsr     zerobss
+        jsr     zerobss
 
-       ; initialize data
-       jsr     copydata
+        ; initialize data
+        jsr     copydata
 
-       lda     #>(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
-               sta     sp+1            ; Set argument stack ptr
-               stz     sp              ; #<(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
-       jsr     initlib
-       jsr     _main
-_exit: jsr     donelib
-exit:   jmp            exit
+        lda     #>(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
+        sta     sp+1            ; Set argument stack ptr
+        stz     sp              ; #<(__RAM_START__ + __RAM_SIZE__ + __STACKSIZE__)
+        jsr     initlib
+        jsr     _main
+_exit:  jsr     donelib
+exit:   jmp     exit
 
 
 .proc   irq
-       pha
-       lda     sv_irq_source
-       and     #SV_IRQ_REQUEST_TIMER
-       beq     not_timer
-       lda     sv_timer_quit
-       inc     _sv_irq_timer_counter
+        pha
+        lda     sv_irq_source
+        and     #SV_IRQ_REQUEST_TIMER
+        beq     not_timer
+        lda     sv_timer_quit
+        inc     _sv_irq_timer_counter
 not_timer:
-       lda     sv_irq_source
-       and     #SV_IRQ_REQUEST_DMA
-       beq     not_dma
-       lda     sv_dma_quit
-       inc     _sv_irq_dma_counter
+        lda     sv_irq_source
+        and     #SV_IRQ_REQUEST_DMA
+        beq     not_dma
+        lda     sv_dma_quit
+        inc     _sv_irq_dma_counter
 not_dma:
-       pla
-       rti
+        pla
+        rti
 .endproc
 
 .proc   nmi
-       inc     _sv_nmi_counter
-       rti
+        inc     _sv_nmi_counter
+        rti
 .endproc
 
 ; removing this segment gives only a warning