mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-12-23 18:31:08 +00:00
136 lines
2.7 KiB
ArmAsm
136 lines
2.7 KiB
ArmAsm
.area _HOME
|
|
.area _CODE
|
|
.area _INITIALIZER
|
|
.area _DATA
|
|
.area _INITIALIZED
|
|
.area _BSEG
|
|
.area _BSS
|
|
.area _HEAP
|
|
;--------------------------------------------------------
|
|
; File Created by SDCC : free open source ANSI-C Compiler
|
|
; Version 3.6.5 # (UNIX)
|
|
;--------------------------------------------------------
|
|
.module minimal
|
|
.optsdcc -mz80
|
|
|
|
;--------------------------------------------------------
|
|
; Public variables in this module
|
|
;--------------------------------------------------------
|
|
.globl _start
|
|
.globl _tileram
|
|
.globl _cellram
|
|
.globl _main
|
|
;--------------------------------------------------------
|
|
; special function registers
|
|
;--------------------------------------------------------
|
|
_palette = 0x0040
|
|
;--------------------------------------------------------
|
|
; ram data
|
|
;--------------------------------------------------------
|
|
.area _DATA
|
|
_cellram = 0xe000
|
|
_tileram = 0xe800
|
|
;--------------------------------------------------------
|
|
; ram data
|
|
;--------------------------------------------------------
|
|
.area _INITIALIZED
|
|
;--------------------------------------------------------
|
|
; absolute external ram data
|
|
;--------------------------------------------------------
|
|
.area _DABS (ABS)
|
|
;--------------------------------------------------------
|
|
; global & static initialisations
|
|
;--------------------------------------------------------
|
|
.area _HOME
|
|
.area _GSINIT
|
|
.area _GSFINAL
|
|
.area _GSINIT
|
|
;--------------------------------------------------------
|
|
; Home
|
|
;--------------------------------------------------------
|
|
.area _HOME
|
|
.area _HOME
|
|
;--------------------------------------------------------
|
|
; code
|
|
;--------------------------------------------------------
|
|
.area _CODE
|
|
;<stdin>:15:
|
|
; ---------------------------------
|
|
; Function start
|
|
; ---------------------------------
|
|
_start::
|
|
;<stdin>:19:
|
|
LD SP,#0xE800 ; set up stack pointer
|
|
DI ; disable interrupts
|
|
;<stdin>:20:
|
|
jp _main
|
|
;<stdin>:23:
|
|
; ---------------------------------
|
|
; Function main
|
|
; ---------------------------------
|
|
_main::
|
|
;<stdin>:26:
|
|
ld a,#0x01
|
|
out (_palette),a
|
|
;<stdin>:27:
|
|
ld hl,#_tileram
|
|
ld (hl), #0xfe
|
|
ld e, l
|
|
ld d, h
|
|
inc de
|
|
ld bc, #0x07ff
|
|
ldir
|
|
;<stdin>:28:
|
|
ld hl,#_cellram
|
|
ld (hl), #0x00
|
|
ld e, l
|
|
ld d, h
|
|
inc de
|
|
ld bc, #0x07ff
|
|
ldir
|
|
;<stdin>:29:
|
|
ld c,#0x00
|
|
;<stdin>:30:
|
|
00112$:
|
|
ld a,c
|
|
rlca
|
|
rlca
|
|
rlca
|
|
and a,#0xf8
|
|
ld e,a
|
|
ld d,#0x00
|
|
00106$:
|
|
;<stdin>:31:
|
|
ld l,d
|
|
ld h,#0x00
|
|
add hl, hl
|
|
add hl, hl
|
|
add hl, hl
|
|
add hl, hl
|
|
add hl, hl
|
|
ld a,#<(_cellram)
|
|
add a, l
|
|
ld l,a
|
|
ld a,#>(_cellram)
|
|
adc a, h
|
|
ld h,a
|
|
ld b,#0x00
|
|
add hl, bc
|
|
ld (hl),e
|
|
;<stdin>:30:
|
|
inc d
|
|
ld a,d
|
|
sub a, #0x20
|
|
jr C,00106$
|
|
;<stdin>:29:
|
|
inc c
|
|
ld a,c
|
|
sub a, #0x20
|
|
jr C,00112$
|
|
;<stdin>:34:
|
|
00104$:
|
|
jr 00104$
|
|
.area _CODE
|
|
.area _INITIALIZER
|
|
.area _CABS (ABS)
|