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cc65/libsrc/cbm/exehdr.s
uz 62e39780bc Added a module that contains a small basic stub (SYS header) that starts
machine language code following it. Using this header, machine language
programs linked to this stub can be started using RUN.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4861 b7a2c559-68d2-44c3-8de9-860c34a00d81
2010-11-14 11:50:38 +00:00

28 lines
790 B
ArmAsm

;
; Ullrich von Bassewitz, 2010-11-14
;
; This module supplies a small BASIC stub program that jumps to the machine
; language code that follows it using SYS.
;
; The following symbol is used by linker config to force the module
; to get included into the output file
.export __EXEHDR__: absolute = 1
.segment "EXEHDR"
.addr Next
.word .version ; Line number
.byte $9E ; SYS token
.byte <(((Start / 1000) .mod 10) + '0')
.byte <(((Start / 100) .mod 10) + '0')
.byte <(((Start / 10) .mod 10) + '0')
.byte <(((Start / 1) .mod 10) + '0')
.byte $00 ; End of BASIC line
Next: .word 0 ; BASIC end marker
Start: