2018-09-14 13:10:41 +00:00
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2018-08-29 01:41:51 +00:00
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; Minimal header file for use with Astrocade C programs
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2019-06-02 02:09:45 +00:00
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.area _CODE
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2018-09-14 13:10:41 +00:00
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2019-06-02 02:09:45 +00:00
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jp Start ; jump to main()
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Start:
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ld hl,#0x4fce ; stack start
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ld sp,hl ; setup stack pointer
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; clear BIOS RAM
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ld bc,#0x4fff-0x4fce
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xor a ; A = 0
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ld (hl),a ; set initial zero
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push hl
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pop de
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inc de ; DE = HL + 1
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ldir ; clear RAM
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; initialize INITIALIZED segment
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2019-05-29 01:05:19 +00:00
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ld BC, #l__INITIALIZER
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2019-06-02 14:53:39 +00:00
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ld a,c
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or b
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2019-06-02 02:09:45 +00:00
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jp z,.nomeminit
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2019-05-29 01:05:19 +00:00
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ld A, B
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ld DE, #s__INITIALIZED
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ld HL, #s__INITIALIZER
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ldir
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2019-06-02 02:09:45 +00:00
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.nomeminit:
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; jump to main C function
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2018-09-14 13:10:41 +00:00
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jp _main
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