diff options
| -rw-r--r-- | dla.s | 20 | ||||
| -rw-r--r-- | mmss.s | 11 |
2 files changed, 15 insertions, 16 deletions
@@ -30,12 +30,12 @@ maxparticles: .res 2 ; user's response to "How many particles?" seedtype: .res 1 ; user's response to seed type prompt (minus one; 0-3) -pixptr: .res 2 ; used by plotsetup and friends -pixmask: .res 1 ; ditto. -cursor_x: .res 1 ; cursor x/y are args to plot/unplot/locate +pixptr: .res 2 ; used by plot and drunkwalk +pixmask: .res 1 ; used by render +cursor_x: .res 1 ; cursor x/y are args to plot and drunkwalk cursor_y: .res 1 pixptr2: .res 2 ; used by drunkwalk -screenptr = pixptr2 +screenptr = pixptr2 ; used by render circlesize: .res 1 ; 0 to 3 @@ -43,14 +43,12 @@ particles: .res 2 spawn_x: .res 2 spawn_y: .res 2 -cloksav: .res 3 ; hold RTCLOK here while we convert to MM:SS.CC - -old_dma: .res 1 ; these 3 are for restoring GR.0 mode -old_dl: .res 2 -old_savmsc: .res 2 +old_dma: .res 1 ; these 3 are for restoring GR.0 mode +old_dl: .res 2 +old_savmsc: .res 2 -tmp1: .res 1 ; used in mmss.s -fptmp: .res 6 ; " " " +cloksav: .res 3 ; hold RTCLOK here while we convert to MM:SS.CC +fptmp: .res 6 ; used in mmss.s .code xex_org loadaddr @@ -9,8 +9,8 @@ ;;; Uses the floating point ROM routines, because it's easier to code ;;; this way (or so I thought!), and we don't need speed here. ;;; -;;; Caller must define cloksav (3 bytes), fptmp (6 bytes), and tmp1 -;;; (1 byte). These don't absolutely have to be in zero page, but +;;; Caller must define cloksav (3 bytes) and fptmp (6 bytes). +;;; These don't absolutely have to be in zero page, but ;;; it's nice if they are. ;;; print_mmss: @@ -73,16 +73,17 @@ truncdone: ; print digits in FR0 ; don't use FASC, easier to do it this way. + ; here we use the first byte of FR1 as a temp. lda FR0 and #$03 - sta tmp1 - inc tmp1 + sta FR1 + inc FR1 ldx #0 floop: lda FR0+1,x jsr printhex inx - cpx tmp1 + cpx FR1 bcc floop floopdone: |