216 lines
6.1 KiB
Plaintext
216 lines
6.1 KiB
Plaintext
|
|
{-----------------------------------------------------------------------+
|
|
| |
|
|
| Application menu |
|
|
| |
|
|
+-----------------------------------------------------------------------}
|
|
gcl0x
|
|
|
|
{ Fall into Easter Egg if [Start] is pressed for >4 seconds }
|
|
\buttonState; {Fetch buttonState and resetTimer in one go}
|
|
[if>0 {If resetTimer positive}
|
|
16& [if=0 {And [Start] pressed}
|
|
\Egg _sysArgs0= 88!!]] {Start program. SYS_Exec_88 still in sysFn}
|
|
|
|
{ Print ASCII character (32..127) on screen in 5x8 pixels }
|
|
[def
|
|
{Map ASCII code to offset in font table}
|
|
Char 82- [if<0 50+ i= \font32up
|
|
else i= \font82up] fontData= {Select low or high page}
|
|
i 2<< i+ {Multiply by 5}
|
|
fontData+ fontData= {Add to page address to reach bitmap data for Char}
|
|
|
|
{Draw 5 vertical slices: 5 using font data}
|
|
32 \sysArgs0. {Blue}
|
|
Color \sysArgs1.
|
|
Pos \sysArgs4:
|
|
6+ Pos=
|
|
\SYS_VDrawBits_134 \sysFn:
|
|
$fb i= [do
|
|
fontData 0? <fontData++ \sysArgs2. 134!!
|
|
<\sysArgs4++
|
|
<i++ i if<>0loop]
|
|
ret
|
|
] PrintChar=
|
|
|
|
{ PrintText }
|
|
[def
|
|
push
|
|
Text=
|
|
[do
|
|
Text, if<>0 Char= <Text++ {while((Char=*Text++)!=0)...}
|
|
9^ [if=0 Pos 18+ Pos= loop] {Horizontal tab}
|
|
3^ [if=0 Newline! loop] {Newline 9^10=3}
|
|
PrintChar! {Regular character}
|
|
loop]
|
|
pop ret
|
|
] PrintText=
|
|
|
|
{ Print 26 dashes }
|
|
[def
|
|
push
|
|
$2d {'-'} Char=
|
|
26 [do j= PrintChar! j 1- if>0loop]
|
|
Newline!
|
|
pop ret
|
|
] PrintDivider=
|
|
|
|
[def
|
|
push
|
|
MenuItem 6- [if<0 $200b else $f059] Pos=
|
|
MenuItem [do j= $800 Pos+ Pos= j 1- if>=0loop]
|
|
130 {'->'} Char= PrintChar!
|
|
pop ret
|
|
] PrintArrow=
|
|
|
|
{-----------------------------------------------------------------------+
|
|
|}>_vLR++ ret{ RAM page 3 |
|
|
+-----------------------------------------------------------------------}
|
|
*=$0300
|
|
|
|
{ Operate menu }
|
|
[def
|
|
push
|
|
[do
|
|
\frameCount, Color= PrintArrow! {Flashing cursor effect}
|
|
|
|
{ Handle each stroke of Up/Down and A controller buttons }
|
|
|
|
\buttonState, $fe^ [if=0 {buttonRight}
|
|
WipeOutArrow!
|
|
MenuItem 5- [if<=0 11+ MenuItem=]
|
|
$ef \buttonState.]
|
|
|
|
\buttonState, $fd^ [if=0 {buttonLeft}
|
|
WipeOutArrow!
|
|
MenuItem 6- [if>=0 MenuItem=]
|
|
$ef \buttonState.]
|
|
|
|
\buttonState, $fb^ [if=0 {buttonDown}
|
|
WipeOutArrow!
|
|
MenuItem 5- [if<>0 6- if<>0 <MenuItem++]
|
|
$ef \buttonState.]
|
|
|
|
\buttonState, $f7^ [if=0 {buttonUp}
|
|
WipeOutArrow!
|
|
MenuItem [if<>0 6- if<>0 MenuItem 1- MenuItem=]
|
|
$ef \buttonState.]
|
|
|
|
{buttonA, or any ASCII key from keyboard, 'A' included...}
|
|
\buttonState, 128& if<>0loop
|
|
|
|
42 {Gray} Color= PrintArrow!
|
|
|
|
[def
|
|
##\Snake
|
|
##\Racer
|
|
##\Mandelbrot
|
|
##\Pictures
|
|
##\Credits
|
|
##\Loader
|
|
|
|
##\Tetronis
|
|
##\Bricks
|
|
##\TicTac
|
|
##\TinyBASIC
|
|
##\MSBASIC
|
|
##\Apple1
|
|
]
|
|
MenuItem+ MenuItem+ deek Program=
|
|
]
|
|
pop ret
|
|
] SelectMenu=
|
|
|
|
{-----------------------------------------------------------------------+
|
|
|}>_vLR++ ret{ RAM page 4 |
|
|
+-----------------------------------------------------------------------}
|
|
*=$0400
|
|
|
|
{Newline}
|
|
[def
|
|
>Pos, 8+ >Pos.
|
|
2 <Pos.
|
|
ret
|
|
] Newline=
|
|
|
|
[def
|
|
#9 `Snake #9 ``` #9 `Tetronis #10
|
|
#9 `Racer #9 ``` #9 `Bricks #10
|
|
#9 `Mandelbrot #9 `TicTacToe #10
|
|
#9 `Pictures ``` #9 `BASIC #10
|
|
#9 `Credits #9 #9 `MS`BASIC #10
|
|
#9 `Loader #9 `` #9 `Apple-1 #10 #0
|
|
] MainMenu=
|
|
|
|
[def
|
|
`Use` #91 `Arrows #93 ``to`select #10
|
|
`Press` #91 `A #93 ``to`start`program #10
|
|
#10
|
|
`Hold` #91 `Start #93 ``for`reset #0
|
|
] HelpText=
|
|
|
|
{-----------------------------------------------------------------------+
|
|
|}>_vLR++ ret{ RAM page 5 |
|
|
+-----------------------------------------------------------------------}
|
|
*=$0500
|
|
|
|
[def
|
|
push
|
|
Pos 12- Pos=
|
|
$20 {space} Char= PrintChar! PrintChar!
|
|
pop ret
|
|
] WipeOutArrow=
|
|
|
|
[def {PrintMenu}
|
|
push
|
|
42 {Gray} Color= PrintDivider!
|
|
15 {Yellow} Color= MainMenu PrintText!
|
|
42 {Gray} Color= PrintDivider!
|
|
HelpText PrintText!
|
|
pop ret
|
|
] PrintMenu=
|
|
|
|
\channelMask_v4, 3|
|
|
\channelMask_v4. {Enable all 4 sound channels}
|
|
90 \soundTimer. {Play sound for 1.5 seconds}
|
|
$2002 Pos=
|
|
|
|
PrintMenu!
|
|
0 MenuItem= {Point at first item (Snake)}
|
|
SelectMenu! {Let user navigate and select}
|
|
|
|
{ Wipe out everything but the selected and bottom line }
|
|
\screenMemory _sysArgs4= {Start of screen memory}
|
|
$8801 i= {Offset to next stripe}
|
|
$ff80 j= {Mask for keeping the selected item}
|
|
Pos 48+ j& q= {Box of current cursor}
|
|
\SYS_VDrawBits_134 _sysFn= {SYS function}
|
|
32 \sysArgs0. \sysArgs1. {Colors}
|
|
[do
|
|
_sysArgs4
|
|
[do
|
|
48+ j& q^ [if<>0 {Don't clear selected item}
|
|
>p, $78^ if<>0 {Also don't clear the bottom row}
|
|
134!!] {Clears 8 pixels vertically}
|
|
$800
|
|
#\ADDW #\sysArgs4 {Inline assembly}
|
|
\sysArgs4:
|
|
if>0loop] {Step down}
|
|
i+ \sysArgs4:
|
|
255& 160^ if<>0loop] {Next stripe}
|
|
|
|
{ Load and start the selected program }
|
|
\SYS_Exec_88 _sysFn= {ROM loader}
|
|
Program _sysArgs0= {ROM image}
|
|
\userCode _vLR= {Start of execution address}
|
|
MenuItem 10- [if<>0 1-] {XXX MSBASIC and Apple1 need workaround}
|
|
[if=0
|
|
\channelMask_v4, $f8& {Clear channelMask before loading}
|
|
\channelMask_v4.]
|
|
88!! {Load from ROM and execute}
|
|
|
|
{-----------------------------------------------------------------------+
|
|
| |
|
|
+-----------------------------------------------------------------------}
|
|
|