mirror of
https://github.com/irmen/prog8.git
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300 lines
7.8 KiB
Plaintext
300 lines
7.8 KiB
Plaintext
; var definitions and immediate primitive data type tests
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output raw
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clobberzp
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import "c64lib"
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~ ZP {
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; ZeroPage block definition:
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; base address is set to $04 (because $00 and $01 are used by the hardware, and $02/$03 are scratch)
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; everything here ends up in the zeropage, as long as there is space.
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; you can NOT put subroutines in here (yet).
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}
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~ ZP $0004 {
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var zpvar1
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memory zpmem1 = $f0
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const zpconst = 1.234
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}
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~ ZP {
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; will be merged with other ZP blocks!
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var zpvar1b = $88
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}
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~ foo {
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var foovar1
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memory foomem1 = $f0f0
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const fooconst = 1.234
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}
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~ main {
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; variables
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var uninitbyte1
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var .byte uninitbyte2
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var initbyte1 = $12
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var initbyte1b = true
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var .byte initbyte2 = $12
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var .byte initbyte2b = false
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var .byte initbyte3 = 99.876
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var initchar1 = '@'
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var .byte initchar2 = '@'
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var .word uninitword
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var .word initword1 = $1234
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var .word initword1b = true
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var .word initword2 = false
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var .word initword3 = 9876.554321
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var .word initword5 = 20
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var .float uninitfloat
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var .float initfloat1 = 0
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var .float initfloat1b = true
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var .float initfloat2 = -1.234e-14
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var .float initfloat3 = 9.87e+14
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var .float initfloat4 = 1.70141183e+38
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var .float initfloat5 = -1.70141183e+38
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var .float initfloat6 = 1.234
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var .array( 10) uninit_bytearray
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var .array(10 ) init_bytearray =$12
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var .array(10 ) init_bytearrayb =true
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var .array(10 ) init_bytearrayc ='@'
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var .wordarray( 10 ) uninit_wordarray
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var .wordarray(10) init_wordarray = $1234
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var .wordarray(10) init_wordarrayb = true
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var .text text = "hello"+"-null"
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var .ptext ptext = 'hello-pascal'
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var .stext stext = 'screencodes-null'
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var .pstext pstext = "screencodes-pascal"
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var .matrix( 10, 20 ) uninitmatrix
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var .matrix(10, 20) initmatrix1 = $12
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var .matrix(10, 20) initmatrix1b = true
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var .matrix(10, 20) initmatrix1c = '@'
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var .matrix(10, 20) initmatrix1d = 123.456
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; memory-mapped variables
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memory membyte1 = $cf01
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memory .byte membyte2 = $c222
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memory .word memword1 = $cf03
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memory .float memfloat = $cf04
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memory .array(10 ) membytes = $cf05
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memory .wordarray( 10) memwords = $cf06
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memory .matrix( 10, 20 ) memmatrix = $cf07
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; constants (= names for constant values, can never occur as lvalue)
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const cbyte1 = 1
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const cbyte1b = false
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const .byte cbyte2 = 1
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const .byte cbyte3 = '@'
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const .byte cbyte4 = true
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const .word cword1 = false
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const .word cword2 = $1234
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const .word cword5 = 9876.5432
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const cfloat1 = 1.2345
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const .float cfloat2 = 2.3456
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const .float cfloat2b = cfloat2*3.44
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const .float cfloat3 = true
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const .text ctext3 = "constant-text"
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const .ptext ctext4 = "constant-ptext"
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const .stext ctext5 = "constant-stext"
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const .pstext ctext6 = "constant-pstext"
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; taking the address of various things:
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var .word vmemaddr1 = #membyte1
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var .word vmemaddr2 = #memword1
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var .word vmemaddr3 = #memfloat
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var .word vmemaddr4 = #membytes
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var .word vmemaddr5 = #memwords
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var .word vmemaddr6 = #memmatrix
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var .word vmemaddr8 = 100*sin(cbyte1)
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var .word vmemaddr9 = cword2+$5432
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var .word vmemaddr10 = cfloat2b
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; taking the address of things from the ZP will work even when it is a var
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; because zp-vars get assigned a specific address (from a pool). Also, it's a byte.
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var .word initword0a = #ZP.zpmem1
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var .word initword0 = #ZP.zpvar1
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var initbytea0 = #ZP.zpmem1
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var .word initworda1 = #ZP.zpvar1
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; (constant) expressions
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var expr_byte1b = -1-2-3-4-$22+0x80+ZP.zpconst
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var .byte expr_fault2 = 1 + (8/3)+sin(33) + max(1,2,3)
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sin
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return
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max
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return
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start
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; --- immediate primitive value assignments ----
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A = [$99]
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A = [$aabb]
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A = $99
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A = [cbyte3]
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A = 0
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A = '@'
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A = 1.2345
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A = true
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A = false
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A = 255
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A = X
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A = [$99]
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A = [$c020.byte]
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A = [$c020]
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A = cbyte3
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A = membyte2
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A = uninitbyte1
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XY = 0
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XY = '@'
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XY = 1.2345
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XY = 456.66
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XY = 65535
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XY = true
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XY = false
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XY = text
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XY = cbyte3
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XY = [cbyte3]
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XY = [cword2]
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XY = uninitbyte1
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XY = "text-immediate"
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AY = "text-immediate"
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AX = #"text-immediate" ; equivalent to simply assigning the string directly
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AX = # "text-immediate" ; equivalent to simply assigning the string directly
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AX = ctext3
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AX = ""
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AX = XY
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AX = Y
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XY = membyte2
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XY = #membyte2
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XY = memword1
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XY = sin
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XY = #sin
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[$c000] = A
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[$c000] = 255
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[$c000] = '@'
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[$c000] = true
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[$c000] = false
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[$c000] = cbyte3
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[$c000] = uninitbyte1
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[$c000] = membyte2
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[$c000] = cbyte2
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[$c000] = [cword2]
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[$c000.word] = A
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[$c000.word] = AX
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[$c000.word] = cbyte3
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[$c000.word] = cword2
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[$c000.word] = ctext3
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[$c000.word] = 65535
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[$c000.word] = "text"
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[$c000.word] = ""
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[$c000.word] = uninitbyte1
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[$c000.word] = membyte2
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[$c000.word] = #membyte2
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[$c000.word] = [cword2]
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[$c000.word] = memword1
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[$c000.float] = 65535
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[$c000.float] = 456.66
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[$c000.float] = 1.70141183e+38
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[$c000.float] = cbyte3
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[$c000.float] = cword2
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[$c001] = [$c002]
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[$c111.word] = [$c222]
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[$c112.word] = [$c223.byte]
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[$c222.word] = [$c333.word]
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[$c333.word] = sin
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[$c333.word] = #sin
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SC = 0
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SC = 1
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SC = false
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uninitbyte1 = 99
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uninitbyte1 = 1.234
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uninitbyte1 = '@'
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initbyte1 = 99
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initbyte1 = 1.234
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initbyte1 = '@'
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initbyte1 = A
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initbyte1 = cbyte3
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uninitword = 99
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uninitword = 5.6778
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uninitword = "test"
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uninitword = '@'
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uninitword = A
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uninitword = XY
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uninitword = ctext3
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initword1 = cbyte3
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initword1 = cword2
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initfloat1 = 99
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initfloat1 = 9.8765
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initfloat1 = '@'
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initfloat1 = cbyte3
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initfloat1 = cword2
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uninitfloat = 99
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uninitfloat = 9.8765
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uninitfloat = '@'
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initword1 = sin
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initword1 = #sin
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membyte1 = A
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membyte1 = cbyte3
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memword1 = A
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memword1 = AX
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memword1 = cbyte3
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memword1 = cword2
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memword1 = ctext3
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membyte1 = 22
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memword1 = 2233
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memfloat = 3.4567
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memword1 = sin
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memword1 = #sin
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membyte1 = A
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memword1 = A
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memword1 = XY
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memfloat = cbyte3
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memfloat = cword2
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; float assignments that require ROM functions from c64lib:
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memfloat = Y
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memfloat = XY
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uninitfloat = Y
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uninitfloat = XY
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initfloat2 = Y
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initfloat2 = XY
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initfloat2 = initbyte2
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initfloat2 = initword2
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initfloat1 = uninitfloat
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initfloat1 = initfloat2
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return
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}
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~ footer {
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XY = "text-immediate" ; reuses existing
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AY = "text-immediate" ; reuses existing
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AX = "another"
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AX = ""
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[$c000.word] = "another" ; reuse
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[$c100.word] = "text-immediate" ; reuse
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[$c200.word] = "" ; reuse
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}
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