/usr/share/z88dk/lib/z88_crt0.asm is in z88dk-data 1.8.ds1-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | ; Small C startup module for Running Compiled C from BBC BASIC
; ZCC for z88 converted by Dominic Morris <djm@jb.man.ac.uk>
; Written August 1998
; Updated for small C+ continuously through September
; Changes by DG implemented 28/9/98
; GFX Stuff added 30/9/98
; 19/10/98 Atexit stuff added
; 27/11/98 Atexit stuff rejigged to allow 32 levels of atexit
;
; 29/2/99 Added the include for zcc_opt so we now if float package
; required or not..
;
; 14/3/99 Renamed the printf vars to smc_pf*
;
; 1/4/99 Changing to allow application startup
;
; - - - - - - - -
;
; $Id: z88_crt0.asm,v 1.6 2007/06/27 20:49:28 dom Exp $
;
; - - - - - - - -
MODULE z88_crt0
;-------
; Include zcc_opt.def to find out information about us
;-------
INCLUDE "zcc_opt.def"
;-------
; Some general scope declarations
;-------
XREF _main ;main() is always external to crt0 code
XDEF cleanup ;jp'd to by exit()
XDEF l_dcal ;jp(hl)
XDEF coords ;Current graphics xy coords
XDEF base_graphics ;Address of graphics map
XDEF gfx_bank ;Bank for this
XDEF _std_seed ;Integer rand() seed
XDEF exitsp ;Pointer to atexit() stack
XDEF exitcount ;Number of atexit() functions registered
XDEF __sgoioblk ;std* control block
XDEF processcmd ;Processing <> commands
XDEF heaplast ;Near malloc heap variables
XDEF heapblocks ;
XDEF _cpfar2near ;Conversion of far to near data
XDEF _vfprintf ;jp to printf() core routine
XDEF snd_asave ;sound
XDEF snd_tick ;sound
;-------
; Select which particular startup we want
;-------
IF DEFINED_startup
; User specified startup type, so do as they wish then drop out otherwise
; Use -startup=1 for basic } (For sake of completeness only - don't
; -startup=2 for app } use them!)
; -startup=3 for code snippets
IF (startup=1)
INCLUDE "#bas_crt0.asm"
ENDIF
IF (startup=2)
INCLUDE "#app_crt0.asm"
ENDIF
IF (startup=3)
INCLUDE "#rel_crt0.asm"
ENDIF
IF (startup=4)
INCLUDE "#dev_crt0.asm"
ENDIF
IF (startup=5)
INCLUDE "#z88s_crt0.asm"
ENDIF
ELSE
ELSE
IF NEED_appstartup
INCLUDE "#app_crt0.asm"
ELSE
INCLUDE "#bas_crt0.asm"
ENDIF
ENDIF
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