270 lines
4.7 KiB
Tal
270 lines
4.7 KiB
Tal
( launcher )
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%+ { ADD } %- { SUB } %* { MUL } %/ { DIV }
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%< { LTH } %> { GTH } %= { EQU } %! { NEQ }
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%++ { ADD2 } %-- { SUB2 } %** { MUL2 } %// { DIV2 }
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%<< { LTH2 } %>> { GTH2 } %== { EQU2 } %!! { NEQ2 }
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%AUTO-X { #01 .Screen/auto DEO }
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%AUTO-Y { #02 .Screen/auto DEO }
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%AUTO-YADDR { #06 .Screen/auto DEO }
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%HALT { #010f DEO }
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%EMIT { #18 DEO }
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%PRINT { ;print-str JSR2 #0a EMIT }
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%DEBUG { ;print-hex/byte JSR2 #0a EMIT }
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%DEBUG2 { ;print-hex JSR2 #0a EMIT }
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%MODALW { #0024 }
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%MODALH { #0009 }
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%RTN { JMP2r }
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%2// { #01 SFT2 }
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%8** { #30 SFT2 }
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%EADDR { #fd04 }
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%ECODE { #fd06 }
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( devices )
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|00 @System &vector $2 &wst $1 &rst $1 &eaddr $2 &ecode $1 &pad $1 &r $2 &g $2 &b $2 &debug $1 &halt $1
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|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
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|80 @Controller &vector $2 &button $1 &key $1 &func $1
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( variables )
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|0000
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@center
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&x $2 &y $2
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@modal
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&x $2 &y $2
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( init )
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|0100 ( -> )
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.Screen/width DEI2 2//
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DUP2 .center/x STZ2
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MODALW #31 SFT2 -- .modal/x STZ2
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.Screen/height DEI2 2//
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DUP2 .center/y STZ2
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MODALH #31 SFT2 -- .modal/y STZ2
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( vectors )
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;on-error .System/vector DEO2
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;on-frame .Screen/vector DEO2
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;on-button .Controller/vector DEO2
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BRK
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@on-frame ( -> )
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;draw-cross JSR2
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;draw-stacks JSR2
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BRK
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@on-button ( -> )
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.Controller/func DEI
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DUP #02 ! ,&no-f2 JCN
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;toggle-debugger JSR2
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&no-f2
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DUP #08 ! ,&no-f4 JCN
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;reboot JSR2
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&no-f4
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POP
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BRK
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@on-error ( -> )
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( background )
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#00 .Screen/auto DEO
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;bg-icn .Screen/addr DEO2
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MODALH #0000
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&ver
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DUP2 8** .modal/y LDZ2 ++ .Screen/y DEO2
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MODALW #0000
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&hor
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DUP2 8** .modal/x LDZ2 ++ .Screen/x DEO2
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#42 .Screen/sprite DEO
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INC2 GTH2k ,&hor JCN
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POP2 POP2
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INC2 GTH2k ,&ver JCN
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POP2 POP2
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( corners )
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;corner-icn .Screen/addr DEO2
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.modal/x LDZ2 .Screen/x DEO2
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.modal/y LDZ2 .Screen/y DEO2
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#42 .Screen/sprite DEO
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.modal/x LDZ2 MODALW #0001 -- 8** ++ .Screen/x DEO2
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#52 .Screen/sprite DEO
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.modal/y LDZ2 MODALH #0001 -- 8** ++ .Screen/y DEO2
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#72 .Screen/sprite DEO
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.modal/x LDZ2 .Screen/x DEO2
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#62 .Screen/sprite DEO
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( text )
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.modal/x LDZ2 #0010 ++ .Screen/x DEO2
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.modal/y LDZ2 #0010 ++ .Screen/y DEO2
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;error-txts/0 #4f ;draw-str JSR2
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;at-txt #4f ;draw-str JSR2
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EADDR LDA2 #47 ;draw-short JSR2
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#0000 EADDR STA2
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BRK
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@toggle-debugger ( -- )
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( toggle debug ) #fd0e STH2k LDA #00 = STH2r STA
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RTN
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@reboot ( -- )
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( clear devices/stacks )
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#fd00 #0300 ;mclr JSR2
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RTN
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&boot-path "boot.rom $1
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@draw-stacks ( -- )
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AUTO-YADDR
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#0010 #0000
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&wst
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( working stack )
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#0010 .Screen/y DEO2
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DUP2 #0018 ** #0010 ++ .Screen/x DEO2
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DUP #fe00 LDA ( ptr ) EQU #41 + STH
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DUP2 #fe01 ++ LDA STHr ;draw-byte JSR2
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( return stack )
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#0028 .Screen/y DEO2
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DUP2 #0018 ** #0010 ++ .Screen/x DEO2
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DUP #ff00 LDA ( ptr ) EQU #41 + STH
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DUP2 #ff01 ++ LDA STHr ;draw-byte JSR2
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INC2 GTH2k ,&wst JCN
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POP2 POP2
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RTN
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@draw-cross ( -- )
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( ver )
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AUTO-Y
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#0000 .Screen/y DEO2
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.center/x LDZ2 .Screen/x DEO2
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.Screen/height DEI2 #0000
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&ver
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#43 .Screen/pixel DEO
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.Screen/y DEI2k INC2 ROT DEO2
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INC2 GTH2k ,&ver JCN
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POP2 POP2
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( hor )
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AUTO-X
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#0000 .Screen/x DEO2
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.center/y LDZ2 .Screen/y DEO2
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.Screen/width DEI2 #0000
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&hor
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#43 .Screen/pixel DEO
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.Screen/x DEI2k INC2 ROT DEO2
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INC2 GTH2k ,&hor JCN
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POP2 POP2
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RTN
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@draw-str ( text* color -- )
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AUTO-YADDR
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STH
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&while
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LDAk STHkr ,draw-char JSR
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INC2 LDAk ,&while JCN
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POP2
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POPr
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RTN
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@draw-short ( short* color -- )
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STH SWP STHkr ,draw-byte JSR
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STHr ,draw-byte JSR
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RTN
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@draw-byte ( byte color -- )
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STH
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DUP #04 SFT ,&parse JSR STHkr ,draw-char JSR
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#0f AND ,&parse JSR STHr ,draw-char JSR
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RTN
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&parse ( byte -- char ) DUP #09 GTH ,&above JCN #30 ADD JMP2r
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&above #57 ADD JMP2r
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@draw-char ( char color -- )
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SWP
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[ #20 - #00 SWP #40 SFT2 ;font ++ ] .Screen/addr DEO2
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.Screen/sprite DEOk DEO
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.Screen/x DEI2k #0008 ++ ROT DEO2
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.Screen/y DEI2k #0010 -- ROT DEO2
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JMP2r
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@mclr ( addr* len* -- )
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OVR2 ++ SWP2
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&loop
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STH2k #00 STH2r STA
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INC2 GTH2k ,&loop JCN
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POP2 POP2
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JMP2r
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@print-hex ( value* -- )
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SWP ,&byte JSR
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&byte ( byte -- )
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STHk #04 SFT ,&parse JSR #18 DEO
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STHr #0f AND ,&parse JSR #18 DEO
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JMP2r
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&parse ( byte -- char ) DUP #09 GTH ,&above JCN #30 ADD JMP2r
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&above #57 ADD JMP2r
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JMP2r
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@print-str ( string* -- )
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#0001 SUB2
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&while
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INC2 LDAk DUP #18 DEO ,&while JCN
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POP2
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JMP2r
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@error-txts
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&0 "Working-stack 20 "underflow $1
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&1 "Return-stack 20 "underflow $1
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&2 "Working-stack 20 "overflow $1
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&3 "Return-stack 20 "overflow $1
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&4 "Working-stack 20 "division 20 "by 20 "zero $1
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&5 "Return-stack 20 "division 20 "by 20 "zero $1
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@at-txt
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', 20 "at 20 $1
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@bg-icn
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ffff ffff ffff ffff
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@corner-icn
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1f7f 7fff ffff ffff
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~projects/assets/msx01x02.tal |