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test #2674

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mrdudz
2025-06-23 17:09:06 +02:00
parent 4863a3e29b
commit 5fc15a7a60
204 changed files with 915 additions and 912 deletions
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14
libsrc/atari/mcbpm.s
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@@ -8,7 +8,7 @@
;
.include "atari.inc"
.importzp sp
.importzp c_sp
.export _mouse_pm_callbacks
.constructor pm_init, 27
.destructor pm_down
@@ -193,22 +193,22 @@ pm_init:
.else
; use top of memory and lower sp accordingly
sta sp
; use top of memory and lower c_sp accordingly
sta c_sp
sta MOUSE_PM_BASE
lda sp+1
lda c_sp+1
and #7 ; offset within 2K
cmp #3 + MOUSE_PM_RAW + 1 ; can we use it?
bcc @decr ; no
lda sp+1
lda c_sp+1
and #$F8
@set: adc #3 + MOUSE_PM_RAW - 1 ; CF is set, so adding MOUSE_PM_RAW + 3
sta MOUSE_PM_BASE+1
sta sp+1
sta c_sp+1
bne @cont ; jump always
@decr: lda sp+1
@decr: lda c_sp+1
and #$F8
sbc #8 - 1 ; CF is clear, subtracts 8
bcs @set ; jump always