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fixed some text alignment

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xlar54 2024-06-12 16:40:23 -05:00
parent 3ea0ded65d
commit 2c4aca43df
1 changed files with 74 additions and 75 deletions
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133
libsrc/cx16/tgi/cx640p1.s
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@ -473,104 +473,103 @@ GETPIXEL:
BAR:
; Initialize tempY with Y1
LDA Y1
STA tempY
LDA Y1+1
STA tempY+1
lda Y1
sta tempY
lda Y1+1
sta tempY+1
@outer_loop:
; Compare tempY with Y2
LDA tempY+1
CMP Y2+1
BCC @outer_continue ; If tempY high byte < Y2 high byte, continue
BNE @outer_end ; If tempY high byte > Y2 high byte, end
LDA tempY
CMP Y2
BCC @outer_continue ; If tempY low byte < Y2 low byte, continue
BEQ @outer_end ; If tempY low byte = Y2 low byte, end
lda tempY+1
cmp Y2+1
bcc @outer_continue ; If tempY high byte < Y2 high byte, continue
bne @outer_end ; If tempY high byte > Y2 high byte, end
lda tempY
cmp Y2
bcc @outer_continue ; If tempY low byte < Y2 low byte, continue
beq @outer_end ; If tempY low byte = Y2 low byte, end
@outer_continue:
; Initialize tempX with X1
LDA X1
STA tempX
LDA X1+1
STA tempX+1
lda X1
sta tempX
lda X1+1
sta tempX+1
@inner_loop:
; Compare tempX with X2
LDA tempX+1
CMP X2+1
BCC @inner_continue ; If tempX high byte < X2 high byte, continue
BNE @inner_end ; If tempX high byte > X2 high byte, end
LDA tempX
CMP X2
BCC @inner_continue ; If tempX low byte < X2 low byte, continue
lda tempX+1
cmp X2+1
bcc @inner_continue ; If tempX high byte < X2 high byte, continue
bne @inner_end ; If tempX high byte > X2 high byte, end
lda tempX
cmp X2
bcc @inner_continue ; If tempX low byte < X2 low byte, continue
@inner_end:
; Increment tempY
INC tempY
BNE @outer_loop ; If no overflow, continue outer loop
INC tempY+1 ; If overflow, increment high byte
inc tempY
bne @outer_loop ; If no overflow, continue outer loop
inc tempY+1 ; If overflow, increment high byte
@inner_continue:
; Call setpixel(tempX, tempY)
LDA X1
PHA
LDA X1+1
PHA
LDA Y1
PHA
LDA Y1+1
PHA
lda X1
pha
lda X1+1
pha
lda Y1
pha
lda Y1+1
pha
LDA tempX
LDX tempX+1
STA X1
STX X1+1
lda tempX
ldx tempX+1
sta X1
stx X1+1
LDA tempY
LDX tempY+1
STA Y1
STX Y1+1
lda tempY
ldx tempY+1
sta Y1
stx Y1+1
JSR SETPIXEL
jsr SETPIXEL
PLA
STA Y1+1
PLA
STA Y1
PLA
STA X1+1
PLA
STA X1
pla
sta Y1+1
pla
sta Y1
pla
sta X1+1
pla
sta X1
; Increment tempX
INC tempX
BNE @inner_loop_check ; If no overflow, continue
INC tempX+1 ; If overflow, increment high byte
inc tempX
bne @inner_loop_check ; If no overflow, continue
inc tempX+1 ; If overflow, increment high byte
@inner_loop_check:
; Compare tempX with X2 again after increment
LDA tempX+1
CMP X2+1
BCC @inner_continue ; If tempX high byte < X2 high byte, continue
BNE @outer_increment ; If tempX high byte > X2 high byte, increment tempY
LDA tempX
CMP X2
BCC @inner_continue ; If tempX low byte < X2 low byte, continue
lda tempX+1
cmp X2+1
bcc @inner_continue ; If tempX high byte < X2 high byte, continue
bne @outer_increment ; If tempX high byte > X2 high byte, increment tempY
lda tempX
cmp X2
bcc @inner_continue ; If tempX low byte < X2 low byte, continue
@outer_increment:
; Increment tempY
INC tempY
BNE @outer_loop ; If no overflow, continue outer loop
INC tempY+1 ; If overflow, increment high byte
inc tempY
bne @outer_loop ; If no overflow, continue outer loop
inc tempY+1 ; If overflow, increment high byte
@outer_end:
; End of outer loop, continue with program
JMP @done
jmp @done
@done:
; Continue with your program
rts
; ------------------------------------------------------------------------
; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in X and Y