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comparison menu.s68 @ 791:60686f8d5e48

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Add a couple of comments to menu.s68
author Michael Pavone <pavone@retrodev.com>
date Sat, 25 Jul 2015 18:19:00 -0700
parents e8b14d5a5b5a
children 109ac52ffecd
comparison
equal deleted inserted replaced
790:e8b14d5a5b5a 791:60686f8d5e48
194 .narrow 194 .narrow
195 add.w d0, d1 195 add.w d0, d1
196 move.w d1, (a0) 196 move.w d1, (a0)
197 addq #1, d2 197 addq #1, d2
198 move.l d2, d1 198 move.l d2, d1
199 ;add.w d1, d1 199 ;switch to other plane
200 and.w #$FFFE, d1 200 and.w #$FFFE, d1
201 swap d1 201 swap d1
202 eor.l #$20000000, d3 202 eor.l #$20000000, d3
203 or.l d3, d1 203 or.l d3, d1
204 move.l d1, (a1) 204 move.l d1, (a1)
205 bra .loop 205 bra .loop
206 .newline 206 .newline
207 moveq #0, d2 207 moveq #0, d2
208 ;switch back to plane A
208 and.l #$DFFFFFFF, d3 209 and.l #$DFFFFFFF, d3
210 ;skip to next row
209 add.l #$00800000, d3 211 add.l #$00800000, d3
210 move.l d3, (a1) 212 move.l d3, (a1)
211 bra .loop 213 bra .loop
212 .end 214 .end
213 move.w d2, x_pos.w 215 move.w d2, x_pos.w