mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-09 08:54:40 +00:00
39 lines
691 B
NASM
39 lines
691 B
NASM
// Test a constant word pointers (pointing to a word placed on zeropage).
|
|
// The result when running is "CML!" on the screen.
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
main: {
|
|
.label screen = $400
|
|
.label wp = w
|
|
.label w = 2
|
|
// w = $0d03
|
|
lda #<$d03
|
|
sta.z w
|
|
lda #>$d03
|
|
sta.z w+1
|
|
// <*wp
|
|
lda.z wp
|
|
// screen[0] = <*wp
|
|
sta screen
|
|
// >*wp
|
|
lda.z wp+1
|
|
// screen[1] = >*wp
|
|
sta screen+1
|
|
// *wp = $210c
|
|
lda #<$210c
|
|
sta.z wp
|
|
lda #>$210c
|
|
sta.z wp+1
|
|
// <*wp
|
|
lda.z wp
|
|
// screen[2] = <*wp
|
|
sta screen+2
|
|
// >*wp
|
|
lda.z wp+1
|
|
// screen[3] = >*wp
|
|
sta screen+3
|
|
// }
|
|
rts
|
|
}
|