mirror of
https://github.com/irmen/prog8.git
synced 2024-07-19 04:28:56 +00:00
312 lines
7.9 KiB
Plaintext
312 lines
7.9 KiB
Plaintext
; var definitions and immediate primitive data type tests
|
|
|
|
%output raw
|
|
%zp clobber
|
|
|
|
|
|
%import c64lib
|
|
|
|
~ ZP {
|
|
; ZeroPage block definition:
|
|
; base address is set to $04 (because $00 and $01 are used by the hardware, and $02/$03 are scratch)
|
|
; everything here ends up in the zeropage, as long as there is space.
|
|
; you can NOT put subroutines in here (yet).
|
|
}
|
|
|
|
~ ZP {
|
|
var zpvar1
|
|
var zpvar2
|
|
memory zpmem1 = $f0
|
|
const zpconst = 1.234
|
|
var word zpvarw1
|
|
var word zpvarw2
|
|
var float zpvarflt1 = 11.11
|
|
var float zpvarflt2 = 22.22
|
|
var float zpvarflt3
|
|
|
|
}
|
|
|
|
~ ZP {
|
|
; will be merged with other ZP blocks!
|
|
var zpvar1b = $88
|
|
}
|
|
|
|
|
|
~ foo {
|
|
var foovar1
|
|
memory foomem1 = $f0f0
|
|
const fooconst = 1.234
|
|
return
|
|
}
|
|
|
|
|
|
~ main {
|
|
; variables
|
|
var uninitbyte1
|
|
var byte uninitbyte2
|
|
var initbyte1 = $12
|
|
var initbyte1b = true
|
|
var byte initbyte2 = $12
|
|
var byte initbyte2b = false
|
|
var byte initbyte3 = 99.876
|
|
var initchar1 = '@'
|
|
var byte initchar2 = '@'
|
|
var word uninitword
|
|
var word initword1 = $1234
|
|
var word initword1b = true
|
|
var word initword2 = false
|
|
var word initword3 = 9876.554321
|
|
var word initword5 = 20
|
|
var float uninitfloat
|
|
var float initfloat1 = 0
|
|
var float initfloat1b = true
|
|
var float initfloat2 = -1.234e-14
|
|
var float initfloat3 = 9.87e+14
|
|
var float initfloat4 = 1.70141183e+38
|
|
var float initfloat5 = -1.70141183e+38
|
|
var float initfloat6 = 1.234
|
|
|
|
var wordarray( 256 ) uninit_wordarray
|
|
var wordarray(10) init_wordarray = $1234
|
|
var wordarray(10) init_wordarrayb = true
|
|
var array( 256) uninit_bytearray
|
|
var array(10 ) init_bytearray =$12
|
|
var array(10 ) init_bytearrayb =true
|
|
var array(10 ) init_bytearrayc ='@'
|
|
|
|
var str text = "hello-null"
|
|
var strp ptext = 'hello-pascal'
|
|
var strs stext = 'screencodes-null'
|
|
var strps pstext = "screencodes-pascal"
|
|
|
|
var matrix( 2, 128 ) uninitmatrix
|
|
var matrix(10, 20) initmatrix1 = $12
|
|
var matrix(10, 20) initmatrix1b = true
|
|
var matrix(10, 20) initmatrix1c = '@'
|
|
var matrix(10, 20) initmatrix1d = 123.456
|
|
|
|
; memory-mapped variables
|
|
memory membyte1 = $cf01
|
|
memory byte membyte2 = $c222
|
|
memory word memword1 = $cf03
|
|
memory float memfloat = $cf04
|
|
memory array(10 ) membytes = $cf05
|
|
memory wordarray( 10) memwords = $cf06
|
|
memory matrix( 10, 20 ) memmatrix = $cf07
|
|
|
|
; constants (= names for constant values, can never occur as lvalue)
|
|
const cbyte1 = 1
|
|
const cbyte1b = false
|
|
const byte cbyte2 = 1
|
|
const byte cbyte3 = '@'
|
|
const byte cbyte4 = true
|
|
const word cword1 = false
|
|
const word cword2 = $1234
|
|
const word cword5 = 9876.5432
|
|
const cfloat1 = 1.2345
|
|
const float cfloat2 = 2.3456
|
|
const float cfloat2b = cfloat2*3.44
|
|
const float cfloat3 = true
|
|
const str ctext3 = "constant-text"
|
|
const strp ctext4 = "constant-ptext"
|
|
const strs ctext5 = "constant-stext"
|
|
const strps ctext6 = "constant-pstext"
|
|
|
|
; taking the address of various things:
|
|
var word vmemaddr1 = &membyte1
|
|
var word vmemaddr2 = &memword1
|
|
var word vmemaddr3 = &memfloat
|
|
var word vmemaddr4 = &membytes
|
|
var word vmemaddr5 = &memwords
|
|
var word vmemaddr6 = &memmatrix
|
|
var word vmemaddr8 = 100*sin(cbyte1)
|
|
var word vmemaddr9 = cword2+$5432
|
|
var word vmemaddr10 = cfloat2b
|
|
|
|
; taking the address of things from the ZP will work even when it is a var
|
|
; because zp-vars get assigned a specific address (from a pool). Also, it's a byte.
|
|
|
|
var word initword0a = &ZP.zpmem1
|
|
var initbytea0 = &ZP.zpmem1
|
|
|
|
|
|
; (constant) expressions
|
|
var word expr_byte1b = -1-2-3-4-$22+$80+ZP.zpconst
|
|
var byte expr_fault2 = 1 + (8/3)+sin(33) + len("abc")
|
|
|
|
|
|
sin:
|
|
return
|
|
|
|
max:
|
|
return
|
|
|
|
|
|
start:
|
|
|
|
; --- immediate primitive value assignments ----
|
|
|
|
A = [$99]
|
|
A = [$aabb]
|
|
A = $99
|
|
A = [cbyte3]
|
|
A = 0
|
|
A = '@'
|
|
A = 1.2345
|
|
A = false
|
|
A = 255
|
|
A = X
|
|
A = [$99]
|
|
A = [$c020.byte]
|
|
A = [$c020]
|
|
A = cbyte3
|
|
A = membyte2
|
|
A = uninitbyte1
|
|
|
|
|
|
XY = 0
|
|
XY = '@'
|
|
XY = 1.2345
|
|
XY = 456.66
|
|
XY = 65535
|
|
XY = true
|
|
XY = false
|
|
XY = text
|
|
XY = cbyte3
|
|
XY = [cbyte3]
|
|
XY = [cword2]
|
|
XY = uninitbyte1
|
|
XY = "text-immediate"
|
|
AY = "text-immediate"
|
|
AX = ctext3
|
|
AX = ""
|
|
AX = XY
|
|
AX = Y
|
|
XY = membyte2
|
|
XY = membyte2
|
|
XY = memword1
|
|
XY = sin
|
|
XY = &sin ; @todo not yet implemented
|
|
|
|
|
|
[$c000] = A
|
|
[$c000] = 255
|
|
[$c000] = '@'
|
|
[$c000] = true
|
|
[$c000] = false
|
|
[$c000] = cbyte3
|
|
[$c000] = uninitbyte1
|
|
[$c000] = membyte2
|
|
[$c000] = cbyte2
|
|
[$c000] = [cword2]
|
|
|
|
[$c000.word] = A
|
|
[$c000.word] = AX
|
|
[$c000.word] = cbyte3
|
|
[$c000.word] = cword2
|
|
[$c000.word] = ctext3
|
|
[$c000.word] = 65535
|
|
[$c000.word] = "text"
|
|
[$c000.word] = ""
|
|
[$c000.word] = uninitbyte1
|
|
[$c000.word] = membyte2
|
|
[$c000.word] = &membyte2 ; @todo not yet implemented
|
|
[$c000.word] = [cword2]
|
|
[$c000.word] = memword1
|
|
[$c000.float] = 65535
|
|
[$c000.float] = 456.66
|
|
[$c000.float] = 1.70141183e+38
|
|
[$c000.float] = cbyte3
|
|
[$c000.float] = cword2
|
|
|
|
[$c001] = [$c002]
|
|
[$c111.word] = [$c222]
|
|
[$c112.word] = [$c223.byte]
|
|
[$c222.word] = [$c333.word]
|
|
[$c333.word] = sin
|
|
[$c333.word] = &sin ; @todo not yet implemented
|
|
|
|
|
|
SC = 0
|
|
SC = 1
|
|
SC = false
|
|
SI = 1
|
|
SI = 0
|
|
SI = false
|
|
|
|
uninitbyte1 = 99
|
|
uninitbyte1 = 1.234
|
|
uninitbyte1 = '@'
|
|
initbyte1 = 99
|
|
initbyte1 = 1.234
|
|
initbyte1 = '@'
|
|
initbyte1 = A
|
|
initbyte1 = cbyte3
|
|
uninitword = 99
|
|
uninitword = 5.6778
|
|
uninitword = "test"
|
|
uninitword = '@'
|
|
uninitword = A
|
|
uninitword = XY
|
|
uninitword = ctext3
|
|
initword1 = cbyte3
|
|
initword1 = cword2
|
|
initfloat1 = 99
|
|
initfloat1 = 9.8765
|
|
initfloat1 = '@'
|
|
initfloat1 = cbyte3
|
|
initfloat1 = cword2
|
|
uninitfloat = 99
|
|
uninitfloat = 9.8765
|
|
uninitfloat = '@'
|
|
initword1 = sin
|
|
initword1 = &sin ; @todo not yet implemented
|
|
|
|
|
|
membyte1 = A
|
|
membyte1 = cbyte3
|
|
memword1 = A
|
|
memword1 = AX
|
|
memword1 = cbyte3
|
|
memword1 = cword2
|
|
memword1 = ctext3
|
|
|
|
|
|
membyte1 = 22
|
|
memword1 = 2233
|
|
memfloat = 3.4567
|
|
memword1 = sin
|
|
memword1 = &sin ; @todo not yet implemented
|
|
|
|
membyte1 = A
|
|
memword1 = A
|
|
memword1 = XY
|
|
memfloat = cbyte3
|
|
memfloat = cword2
|
|
|
|
; float assignments that require ROM functions from c64lib:
|
|
memfloat = Y
|
|
memfloat = XY
|
|
uninitfloat = Y
|
|
uninitfloat = XY
|
|
initfloat2 = Y
|
|
initfloat2 = XY
|
|
initfloat2 = initbyte2
|
|
initfloat2 = initword2
|
|
initfloat1 = uninitfloat
|
|
initfloat1 = initfloat2
|
|
|
|
return
|
|
}
|
|
|
|
~ footer {
|
|
XY = "text-immediate" ; reuses existing
|
|
AY = "text-immediate" ; reuses existing
|
|
AX = "another"
|
|
AX = ""
|
|
[$c000.word] = "another" ; must reuse string
|
|
[$c100.word] = "text-immediate" ; must reuse string
|
|
[$c200.word] = "" ; must reuse string
|
|
return
|
|
}
|