Ophis/doc/samplecode.sgm
2012-06-08 23:41:16 -07:00

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<appendix>
<title>Example Programs</title>
<para>
This Appendix collects all the programs referred to in the course
of this manual.
</para>
<section id="tutor1-src">
<title id="tutor1-fname"><filename>tutor1.oph</filename></title>
<programlisting>
.word $0801
.org $0801
.word next, 10 ; Next line and current line number
.byte $9e," 2064",0 ; SYS 2064
next: .word 0 ; End of program
.advance 2064
ldx #0
loop: lda hello, x
beq done
jsr $ffd2
inx
bne loop
done: rts
hello: .byte "HELLO, WORLD!", 0
</programlisting>
</section>
<section id="tutor2-src">
<title id="tutor2-fname"><filename>tutor2.oph</filename></title>
<programlisting>
.word $0801
.org $0801
.scope
.word _next, 10 ; Next line and current line number
.byte $9e," 2064",0 ; SYS 2064
_next: .word 0 ; End of program
.scend
.advance 2064
.alias chrout $ffd2
ldx #0
* lda hello, x
beq +
jsr chrout
inx
bne -
* rts
hello: .byte "HELLO, WORLD!", 0
</programlisting>
</section>
<section id="c64-1-src">
<title id="c64-1-fname"><filename>c64-1.oph</filename></title>
<programlisting>
.word $0801
.org $0801
.scope
.word _next, 10 ; Next line and current line number
.byte $9e," 2064",0 ; SYS 2064
_next: .word 0 ; End of program
.scend
.advance 2064
.require "kernal.oph"
</programlisting>
</section>
<section id="kernal-src">
<title id="kernal-fname"><filename>kernal.oph</filename></title>
<programlisting>
; KERNAL routine aliases (C64)
.alias acptr $ffa5
.alias chkin $ffc6
.alias chkout $ffc9
.alias chrin $ffcf
.alias chrout $ffd2
.alias ciout $ffa8
.alias cint $ff81
.alias clall $ffe7
.alias close $ffc3
.alias clrchn $ffcc
.alias getin $ffe4
.alias iobase $fff3
.alias ioinit $ff84
.alias listen $ffb1
.alias load $ffd5
.alias membot $ff9c
.alias memtop $ff99
.alias open $ffc0
.alias plot $fff0
.alias ramtas $ff87
.alias rdtim $ffde
.alias readst $ffb7
.alias restor $ff8a
.alias save $ffd8
.alias scnkey $ff9f
.alias screen $ffed
.alias second $ff93
.alias setlfs $ffba
.alias setmsg $ff90
.alias setnam $ffbd
.alias settim $ffdb
.alias settmo $ffa2
.alias stop $ffe1
.alias talk $ffb4
.alias tksa $ff96
.alias udtim $ffea
.alias unlsn $ffae
.alias untlk $ffab
.alias vector $ff8d
; Character codes for the colors.
.alias color'0 144
.alias color'1 5
.alias color'2 28
.alias color'3 159
.alias color'4 156
.alias color'5 30
.alias color'6 31
.alias color'7 158
.alias color'8 129
.alias color'9 149
.alias color'10 150
.alias color'11 151
.alias color'12 152
.alias color'13 153
.alias color'14 154
.alias color'15 155
; ...and reverse video
.alias reverse'on 18
.alias reverse'off 146
; ...and character set
.alias upper'case 142
.alias lower'case 14
</programlisting>
</section>
<section id="tutor3-src">
<title id="tutor3-fname"><filename>tutor3.oph</filename></title>
<programlisting>
.include "c64-1.oph"
.macro print
ldx #0
_loop: lda _1, x
beq _done
jsr chrout
inx
bne _loop
_done:
.macend
.macro greet
`print hello1
`print _1
`print hello2
.macend
lda #147
jsr chrout
`greet target1
`greet target2
`greet target3
`greet target4
`greet target5
`greet target6
`greet target7
`greet target8
`greet target9
`greet target10
rts
hello1: .byte "HELLO, ",0
hello2: .byte "!", 13, 0
target1: .byte "PROGRAMMER", 0
target2: .byte "ROOM", 0
target3: .byte "BUILDING", 0
target4: .byte "NEIGHBORHOOD", 0
target5: .byte "CITY", 0
target6: .byte "NATION", 0
target7: .byte "WORLD", 0
target8: .byte "SOLAR SYSTEM", 0
target9: .byte "GALAXY", 0
target10: .byte "UNIVERSE", 0
</programlisting>
</section>
<section id="tutor4a-src">
<title id="tutor4a-fname"><filename>tutor4a.oph</filename></title>
<programlisting>
.include "c64-1.oph"
.macro print
ldx #0
_loop: lda _1, x
beq _done
jsr chrout
inx
bne _loop
_done:
.macend
.macro greet
lda #30
jsr delay
`print hello1
`print _1
`print hello2
.macend
lda #147
jsr chrout
`greet target1
`greet target2
`greet target3
`greet target4
`greet target5
`greet target6
`greet target7
`greet target8
`greet target9
`greet target10
rts
hello1: .byte "HELLO, ",0
hello2: .byte "!", 13, 0
target1: .byte "PROGRAMMER", 0
target2: .byte "ROOM", 0
target3: .byte "BUILDING", 0
target4: .byte "NEIGHBORHOOD", 0
target5: .byte "CITY", 0
target6: .byte "NATION", 0
target7: .byte "WORLD", 0
target8: .byte "SOLAR SYSTEM", 0
target9: .byte "GALAXY", 0
target10: .byte "UNIVERSE", 0
; DELAY routine. Executes 2,560*(A) NOP statements.
delay: tax
ldy #00
* nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
iny
bne -
dex
bne -
rts
</programlisting>
</section>
<section id="tutor4b-src">
<title id="tutor4b-fname"><filename>tutor4b.oph</filename></title>
<programlisting>
.include "c64-1.oph"
.macro print
ldx #0
_loop: lda _1, x
beq _done
jsr chrout
inx
bne _loop
_done:
.macend
.macro greet
lda #30
jsr delay
`print hello1
`print _1
`print hello2
.macend
lda #147
jsr chrout
lda #lower'case
jsr chrout
`greet target1
`greet target2
`greet target3
`greet target4
`greet target5
`greet target6
`greet target7
`greet target8
`greet target9
`greet target10
rts
hello1: .byte "Hello, ",0
hello2: .byte "!", 13, 0
target1: .byte "programmer", 0
target2: .byte "room", 0
target3: .byte "building", 0
target4: .byte "neighborhood", 0
target5: .byte "city", 0
target6: .byte "nation", 0
target7: .byte "world", 0
target8: .byte "Solar System", 0
target9: .byte "Galaxy", 0
target10: .byte "Universe", 0
; DELAY routine. Executes 2,560*(A) NOP statements.
delay: tax
ldy #00
* nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
iny
bne -
dex
bne -
rts
</programlisting>
</section>
<section id="tutor4c-src">
<title id="tutor4c-fname"><filename>tutor4c.oph</filename></title>
<programlisting>
.include "c64-1.oph"
.macro print
ldx #0
_loop: lda _1, x
beq _done
jsr chrout
inx
bne _loop
_done:
.macend
.macro greet
lda #30
jsr delay
`print hello1
`print _1
`print hello2
.macend
lda #147
jsr chrout
lda #lower'case
jsr chrout
`greet target1
`greet target2
`greet target3
`greet target4
`greet target5
`greet target6
`greet target7
`greet target8
`greet target9
`greet target10
rts
.charmap 'A, "abcdefghijklmnopqrstuvwxyz"
.charmap 'a, "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
hello1: .byte "Hello, ",0
hello2: .byte "!", 13, 0
target1: .byte "programmer", 0
target2: .byte "room", 0
target3: .byte "building", 0
target4: .byte "neighborhood", 0
target5: .byte "city", 0
target6: .byte "nation", 0
target7: .byte "world", 0
target8: .byte "Solar System", 0
target9: .byte "Galaxy", 0
target10: .byte "Universe", 0
; DELAY routine. Executes 2,560*(A) NOP statements.
delay: tax
ldy #00
* nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
iny
bne -
dex
bne -
rts
</programlisting>
</section>
<section id="tutor5-src">
<title id="tutor5-fname"><filename>tutor5.oph</filename></title>
<programlisting>
.include "c64-1.oph"
.data
.org $C000
.text
.macro print
ldx #0
_loop: lda _1, x
beq _done
jsr chrout
inx
bne _loop
_done:
.macend
.macro greet
lda #30
jsr delay
`print hello1
`print _1
`print hello2
.macend
lda #147
jsr chrout
`greet target1
`greet target2
`greet target3
`greet target4
`greet target5
`greet target6
`greet target7
`greet target8
`greet target9
`greet target10
rts
hello1: .byte "HELLO, ",0
hello2: .byte "!", 13, 0
target1: .byte "PROGRAMMER", 0
target2: .byte "ROOM", 0
target3: .byte "BUILDING", 0
target4: .byte "NEIGHBORHOOD", 0
target5: .byte "CITY", 0
target6: .byte "NATION", 0
target7: .byte "WORLD", 0
target8: .byte "SOLAR SYSTEM", 0
target9: .byte "GALAXY", 0
target10: .byte "UNIVERSE", 0
; DELAY routine. Takes values from the Accumulator and pauses
; for that many jiffies (1/60th of a second).
.scope
.data
.space _tmp 1
.space _target 1
.text
delay: sta _tmp ; save argument (rdtim destroys it)
jsr rdtim
clc
adc _tmp ; add current time to get target
sta _target
* jsr rdtim
cmp _target
bmi - ; Buzz until target reached
rts
.scend
.checkpc $A000
.data
.checkpc $D000
</programlisting>
</section>
<section id="tutor6-src">
<title id="tutor6-fname"><filename>tutor6.oph</filename></title>
<programlisting>
.include "c64-1.oph"
.data
.org $C000
.space cache 2
.text
.macro print
lda #<_1
ldx #>_1
jsr printstr
.macend
.macro greet
lda #30
jsr delay
`print hello1
`print _1
`print hello2
.macend
; Save the zero page locations that PRINTSTR uses.
lda $10
sta cache
lda $11
sta cache+1
lda #147
jsr chrout
`greet target1
`greet target2
`greet target3
`greet target4
`greet target5
`greet target6
`greet target7
`greet target8
`greet target9
`greet target10
; Restore the zero page values printstr uses.
lda cache
sta $10
lda cache+1
sta $11
rts
hello1: .byte "HELLO, ",0
hello2: .byte "!", 13, 0
target1: .byte "PROGRAMMER", 0
target2: .byte "ROOM", 0
target3: .byte "BUILDING", 0
target4: .byte "NEIGHBORHOOD", 0
target5: .byte "CITY", 0
target6: .byte "NATION", 0
target7: .byte "WORLD", 0
target8: .byte "SOLAR SYSTEM", 0
target9: .byte "GALAXY", 0
target10: .byte "UNIVERSE", 0
; DELAY routine. Takes values from the Accumulator and pauses
; for that many jiffies (1/60th of a second).
.scope
.data
.space _tmp 1
.space _target 1
.text
delay: sta _tmp ; save argument (rdtim destroys it)
jsr rdtim
clc
adc _tmp ; add current time to get target
sta _target
* jsr rdtim
cmp _target
bmi - ; Buzz until target reached
rts
.scend
; PRINTSTR routine. Accumulator stores the low byte of the address,
; X register stores the high byte. Destroys the values of $10 and
; $11.
.scope
printstr:
sta $10
stx $11
ldy #$00
_lp: lda ($10),y
beq _done
jsr chrout
iny
bne _lp
_done: rts
.scend
.checkpc $A000
.data
.checkpc $D000
</programlisting>
</section>
<section id="c64-2-src">
<title id="c64-2-fname"><filename>c64-2.oph</filename></title>
<programlisting>
.word $0801
.org $0801
.scope
.word _next, 10 ; Next line and current line number
.byte $9e," 2064",0 ; SYS 2064
_next: .word 0 ; End of program
.scend
.advance $0810
.require "kernal.oph"
.data zp
.org $0002
.text
.scope
; Cache BASIC's zero page at top of available RAM.
ldx #$7E
* lda $01, x
sta $CF81, x
dex
bne -
jsr _main
; Restore BASIC's zero page and return control.
ldx #$7E
* lda $CF81, x
sta $01, x
dex
bne -
rts
_main:
; Program follows...
.scend
</programlisting>
</section>
<section id="tutor7-src">
<title id="tutor7-fname"><filename>tutor7.oph</filename></title>
<programlisting>
.include "c64-2.oph"
.data
.org $C000
.text
.macro print
lda #<_1
ldx #>_1
jsr printstr
.macend
.macro greet
lda #30
jsr delay
`print hello1
`print _1
`print hello2
.macend
lda #147
jsr chrout
`greet target1
`greet target2
`greet target3
`greet target4
`greet target5
`greet target6
`greet target7
`greet target8
`greet target9
`greet target10
rts
hello1: .byte "HELLO, ",0
hello2: .byte "!", 13, 0
target1: .byte "PROGRAMMER", 0
target2: .byte "ROOM", 0
target3: .byte "BUILDING", 0
target4: .byte "NEIGHBORHOOD", 0
target5: .byte "CITY", 0
target6: .byte "NATION", 0
target7: .byte "WORLD", 0
target8: .byte "SOLAR SYSTEM", 0
target9: .byte "GALAXY", 0
target10: .byte "UNIVERSE", 0
; DELAY routine. Takes values from the Accumulator and pauses
; for that many jiffies (1/60th of a second).
.scope
.data
.space _tmp 1
.space _target 1
.text
delay: sta _tmp ; save argument (rdtim destroys it)
jsr rdtim
clc
adc _tmp ; add current time to get target
sta _target
* jsr rdtim
cmp _target
bmi - ; Buzz until target reached
rts
.scend
; PRINTSTR routine. Accumulator stores the low byte of the address,
; X register stores the high byte. Destroys the values of $10 and
; $11.
.scope
.data zp
.space _ptr 2
.text
printstr:
sta _ptr
stx _ptr+1
ldy #$00
_lp: lda (_ptr),y
beq _done
jsr chrout
iny
bne _lp
_done: rts
.scend
.checkpc $A000
.data
.checkpc $D000
.data zp
.checkpc $80
</programlisting>
</section>
</appendix>