peasant: save almost works
well it does but there's a weird bug when loading it back
This commit is contained in:
Vince Weaver
parent
bc788d0d4a
commit
4a32b31c4d
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@ -69,7 +69,8 @@ qload.o: qload.s qboot.inc \
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hgr_text_box.s \
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clear_bottom.s \
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hgr_hgr2.s \
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gr_offsets.s
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gr_offsets.s \
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qkumba_popwr.s
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ca65 -o qload.o qload.s -l qload.lst
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###
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@ -92,6 +93,8 @@ generate_common.o: generate_common.c
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qload.inc: generate_common QLOAD
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./generate_common -a 0xb00 -s load_file qload.lst > qload.inc
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./generate_common -a 0xb00 -s sector_write qload.lst >> qload.inc
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./generate_common -a 0xb00 -s requested_sector qload.lst >> qload.inc
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./generate_common -a 0xb00 -s decompress_lzsa2_fast qload.lst >> qload.inc
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./generate_common -a 0xb00 -s getsrc_smc qload.lst >> qload.inc
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./generate_common -a 0xb00 -s hgr2 qload.lst >> qload.inc
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@ -116,6 +119,8 @@ qload.inc: generate_common QLOAD
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./generate_common -a 0xb00 -s vgi_simple_rectangle qload.lst >> qload.inc
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echo "hposn_high = \$$BA00" >> qload.inc
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echo "hposn_low = \$$BB00" >> qload.inc
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echo "driveoff = \$$A22" >> qload.inc
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echo "driveon = \$$A9D" >> qload.inc
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####
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@ -20,7 +20,10 @@ static void find_address(char *symbol_name, int routine_offset) {
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while(1) {
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result=fgets(string,BUFSIZ,fff);
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if (result==NULL) break;
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if (result==NULL) {
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fprintf(stderr,"Error: %s not found!\n",symbol_name);
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exit(-1);
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}
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result=strstr(string,temp_name);
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if (result!=NULL) {
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@ -2,10 +2,33 @@
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; o/~ It's the Loading Screen o/~
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; FIXME: we can share some of the code here a bit more
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;=====================
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; load_menu
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;=====================
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load_menu:
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lda #0
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sta loadsave_smc1+1
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sta loadsave_smc2+1
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jmp common_menu
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;=====================
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; save_menu
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;=====================
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save_menu:
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lda #1
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sta loadsave_smc1+1
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sta loadsave_smc2+1
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jmp common_menu
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;=====================
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; common_menu
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;=====================
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common_menu:
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;============================
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; first read all three saves
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@ -148,7 +171,7 @@ save_memset:
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;====================
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; draw text box
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draw_loadstore_box:
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draw_loadsave_box:
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lda #0
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sta BOX_X1H
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@ -168,13 +191,26 @@ draw_loadstore_box:
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;===================
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; draw main text
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draw_loadstore_text:
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draw_loadsave_text:
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; TODO: use SAVE message if we're saving instead
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loadsave_smc1:
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lda #0
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bne do_save_message
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do_load_message:
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; load message
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lda #<load_message
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sta OUTL
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lda #>load_message
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jmp loadsave_ready
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do_save_message:
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; save message
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lda #<save_message
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sta OUTL
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lda #>save_message
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loadsave_ready:
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sta OUTH
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jsr disp_put_string
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@ -297,8 +333,16 @@ ls_return:
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rts
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do_actual_load:
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loadsave_smc2:
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lda #0
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bne go_for_save
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go_for_load:
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jmp load_game
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go_for_save:
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jmp save_game
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ls_done_moving:
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@ -457,17 +501,22 @@ done_load:
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save_game:
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.if 0
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; lda #<save_message
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; sta OUTL
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; lda #>save_message
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; sta OUTH
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; print are you sure message
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; jsr confirm_action
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; bcs done_save
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jsr confirm_action
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pha
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bcs done_save
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; put which save into A
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lda INVENTORY_Y
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pha ; save slot for later on stack
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; clc
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; adc #LOAD_SAVE1
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; sta WHICH_LOAD ; get proper WHICH_LOAD value
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;========================
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@ -478,22 +527,24 @@ actually_save:
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; first load something from
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; disk1/track0 to seek the head there
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lda WHICH_LOAD
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lda WHICH_LOAD ; save this value as we
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; destroy it for load
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pha
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lda #LOAD_SAVE1
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lda #LOAD_SAVE1 ; use SAVE1 as it's on track 0
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sta WHICH_LOAD
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jsr load_file
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pla
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sta WHICH_LOAD
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; copy save data to $d00
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; copy save data to $BC00
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ldx #0
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copy_loop:
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lda WHICH_LOAD,X
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sta $d00,X
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sta $BC00,X
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inx
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cpx #(END_OF_SAVE-WHICH_LOAD+1)
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bne copy_loop
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@ -512,9 +563,9 @@ copy_loop:
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jsr driveoff
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done_save:
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lda #$FF ; reload level as we scrawled on $2000
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sta GAME_OVER
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jsr change_location ; restore graphics
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.endif
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rts
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@ -571,6 +622,9 @@ are_you_sure:
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;=========================
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update_save_info:
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lda WHICH_LOAD
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pha
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ldx #0
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update_save_info_loop:
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clc
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@ -595,6 +649,9 @@ update_save_info_loop:
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cpx #3
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bne update_save_info_loop
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pla
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sta WHICH_LOAD
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rts
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@ -62,15 +62,19 @@ parse_show:
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cmp #'S'
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bne parse_version
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bit LORES
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bit PAGE1
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; bit LORES
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; bit PAGE1
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jsr wait_until_keypress
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; jsr wait_until_keypress
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bit PAGE2
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bit HIRES
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; bit PAGE2
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; bit HIRES
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jmp done_parse_message
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; jmp done_parse_message
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jsr save_menu
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jmp restore_parse_message
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parse_version:
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cmp #'V'
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@ -1,247 +1,248 @@
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; popwr -- code provided by qkumba
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frombuff=$d00 ; sector data to write
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; note these must be contiguous
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encbuf=$e00 ; nibble buffer must be page alined
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bit2tbl=$f00
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readnib = $1001
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readd5aa:
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try_again:
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jsr readnib
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try_for_d5:
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cmp #$d5
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bne try_again
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jsr readnib
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cmp #$aa
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bne try_for_d5
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jsr readnib
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rts
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;================================
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; set up the self-modifying code
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; to point to the proper slot
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;================================
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; slot number is in high nibble of A
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popwr_init:
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and #$70 ; the slot number is in the top here
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sta slotpatchw1+1 ; self modify the code
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sta slotpatchw2+1
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sta slotpatchw3+1
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sta slotpatchw4+1
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rts
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;================================
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; write a sector
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;================================
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sector_write:
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; convert the input to nibbles
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ldy #2 ; why start at 2?
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aa:
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ldx #$aa
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b1:
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dey
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frombuff_smc:
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lda frombuff, y
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lsr
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rol bit2tbl-$aa, x
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lsr
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rol bit2tbl-$aa, x
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sta encbuf, y
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lda bit2tbl-$aa, x
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and #$3f
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sta bit2tbl-$aa, x
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inx
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bne b1
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tya
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bne aa
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jmp cmpsecwr
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.align $100
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; look for the proper sector to write
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cmpsecwr:
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b2:
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jsr readd5aa ; look for dd55aa marker
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cmp #$96
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bne b2
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ldy #3 ; try getting the sector number
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b3:
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jsr readnib
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rol
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sta tmpsec
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jsr readnib
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and tmpsec ; and with prev nibble?
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dey
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bne b3
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requested_sector:
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cmp #$d1
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bne cmpsecwr ; retry if not what we want?
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;skip tail #$DE #$AA #$EB some #$FFs ...
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ldy #$24
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b4:
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dey
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bpl b4
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; c0e0 slot 6 ph0 off
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; c0e1 slot 6 ph0 on
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; c0e2 slot 6 ph1 off
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; c0e3 slot 6 ph1 on
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; c0e4 slot 6 ph2 off
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; c0e5 slot 6 ph2 on
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; c0e6 slot 6 ph3 off
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; c0e7 slot 6 ph3 on
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; c0e8 slot 6 motor off
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; c0e9 slot 6 motor on
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; c0ea slot 6 drive 1
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; c0eb slot 6 drive 2
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; c0ec slot 6 q6 off \ Q6 Q7
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; c0ed slot 6 q6 on |-- state machine 0 0 READ
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; c0ee slot 6 q7 off | 0 1 WRITE
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; c0ef slot 6 q7 on / 1 0 SENSE WRITE PROTECT
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; 1 1 WRITE LOAD
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; write sector data
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slotpatchw1:
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ldx #$d1 ; cycle num smc Q6 Q7
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lda $c08d, x ; prime drive 1 X
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lda $c08e, x ; required by Unidisk 1 0 ; senese wp?
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tya
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sta $c08f, x ; 1 1 ; write load
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ora $c08c, x ; 0 1 ; write
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; 40 cycles
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ldy #4 ; 2 cycles
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cmp $ea ; nop ; 3 cycles
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cmp ($ea,x) ; nop ; 6 cycles
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b5:
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jsr writenib1 ; (29 cycles)
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; +6 cycles
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dey ; 2 cycles
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bne b5 ; 3/2nt
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; 36 cycles
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; +10 cycles
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ldy #(prolog_e-prolog)
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; 2 cycles
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cmp $ea ; nop ; 3 cycles
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b6:
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lda prolog-1, y ; 4 cycles
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jsr writenib3 ; (17 cycles)
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; 32 cycles if branch taken
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; +6 cycles
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dey ; 2 cycles
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bne b6 ; 3/2nt
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; 36 cycles on first pass
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; +10 cycles
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tya ; 2 cycles
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ldy #$56 ; 2 cycles
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b7:
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eor bit2tbl-1, y ; 5 cycles
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tax ; 2 cycles
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lda xlattbl, x ; 4 cycles
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slotpatchw2:
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ldx #$d1 ; slot number smc ; 2 cycles
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sta $c08d, x ; wp sense ; 5 cycles
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lda $c08c, x ; read ; 4 cycles
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; 32 cycles if branch taken
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lda bit2tbl-1, y ; 5 cycles
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dey ; 2 cycles
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bne b7 ; 3/2nt
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; 32 cycles
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; +9 cycles
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clc ; 2 cycles
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b88:
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eor encbuf, y ; 4 cycles
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b8:
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tax ; 2 cycles
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lda xlattbl, x ; 4 cycles
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slotpatchw3:
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ldx #$d1 ; slot number smc ; 2 cycles
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sta $c08d, x ; wp sense ; 5 cycles
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lda $c08c, x ; read ; 4 cycles
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bcs f1 ; 3/2nt
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; 32 cycles if branch taken
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lda encbuf, y ; 4 cycles
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iny ; 2 cycles
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bne b88 ; 3/2nt
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; 32 cycles
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; +10 cycles
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sec ; 2 cycles
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bcs b8 ; 3 cycles
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; 32 cycles
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; +3 cycles
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f1:
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ldy #(epilog_e-epilog)
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; 2 cycles
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cmp ($ea,x) ; nop ; 6 cycles
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b9:
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lda epilog-1, y ; 4 cycles
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jsr writenib3 ; (17 cycles)
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; 32 cycles if branch taken
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; +6 cycles
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dey ; 2 cycles
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bne b9 ;3/2nt
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lda $c08e, x ; read/wp
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lda $c08c, x ; read
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lda $c088, x ; motor off
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rts ; 6 cycles
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writenib1:
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cmp ($ea,x) ; nop ; 6 cycles
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cmp ($ea,x) ; nop ; 6 cycles
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writenib3:
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slotpatchw4:
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ldx #$d1 ; slot number ; 2 cycles
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writenib4:
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sta $c08d, x ; wp sense? ; 5 cycles
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ora $c08c, x ; read ; 4 cycles
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rts ; 6 cycles
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prolog: .byte $ad, $aa, $d5
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prolog_e:
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epilog: .byte $ff, $eb, $aa, $de
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epilog_e:
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xlattbl:
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.byte $96,$97,$9A,$9B,$9D,$9E,$9F,$A6
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.byte $A7,$AB,$AC,$AD,$AE,$AF,$B2,$B3
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.byte $B4,$B5,$B6,$B7,$B9,$BA,$BB,$BC
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.byte $BD,$BE,$BF,$CB,$CD,$CE,$CF,$D3
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.byte $D6,$D7,$D9,$DA,$DB,$DC,$DD,$DE
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.byte $DF,$E5,$E6,$E7,$E9,$EA,$EB,$EC
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.byte $ED,$EE,$EF,$F2,$F3,$F4,$F5,$F6
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.byte $F7,$F9,$FA,$FB,$FC,$FD,$FE,$FF
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; popwr -- code provided by qkumba
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frombuff=$bc00 ; sector data to write
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; note these must be contiguous
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encbuf=$2000 ; nibble buffer must be page alined
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bit2tbl=$2100
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readnib = $901
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readd5aa:
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try_again:
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jsr readnib
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try_for_d5:
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cmp #$d5
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bne try_again
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jsr readnib
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cmp #$aa
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bne try_for_d5
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jsr readnib
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rts
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;================================
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; set up the self-modifying code
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; to point to the proper slot
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;================================
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; slot number is in high nibble of A
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popwr_init:
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and #$70 ; the slot number is in the top here
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sta slotpatchw1+1 ; self modify the code
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sta slotpatchw2+1
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sta slotpatchw3+1
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sta slotpatchw4+1
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rts
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;================================
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; write a sector
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;================================
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sector_write:
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; convert the input to nibbles
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ldy #2 ; why start at 2?
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aa:
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ldx #$aa
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b1:
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dey
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frombuff_smc:
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lda frombuff, y
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lsr
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rol bit2tbl-$aa, x
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lsr
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rol bit2tbl-$aa, x
|
||||
sta encbuf, y
|
||||
lda bit2tbl-$aa, x
|
||||
and #$3f
|
||||
sta bit2tbl-$aa, x
|
||||
inx
|
||||
bne b1
|
||||
tya
|
||||
bne aa
|
||||
|
||||
jmp cmpsecwr
|
||||
|
||||
.align $100 ; why do we align? to ensure timing?
|
||||
|
||||
; look for the proper sector to write
|
||||
|
||||
cmpsecwr:
|
||||
b2:
|
||||
jsr readd5aa ; look for dd55aa marker
|
||||
cmp #$96
|
||||
bne b2
|
||||
|
||||
ldy #3 ; try getting the sector number
|
||||
b3:
|
||||
jsr readnib
|
||||
rol
|
||||
sta tmpsec
|
||||
jsr readnib
|
||||
and tmpsec ; and with prev nibble?
|
||||
dey ; sector value is two bytes
|
||||
bne b3 ; 1 D7 1 D5 1 D3 1 D1
|
||||
; 1 D6 1 D4 1 D2 1 D0
|
||||
; so you shift left and AND to get value
|
||||
|
||||
requested_sector:
|
||||
cmp #$d1
|
||||
|
||||
bne cmpsecwr ; retry if not what we want?
|
||||
|
||||
;skip tail #$DE #$AA #$EB some #$FFs ...
|
||||
|
||||
ldy #$24
|
||||
b4:
|
||||
dey
|
||||
bpl b4
|
||||
|
||||
|
||||
; c0e0 slot 6 ph0 off
|
||||
; c0e1 slot 6 ph0 on
|
||||
; c0e2 slot 6 ph1 off
|
||||
; c0e3 slot 6 ph1 on
|
||||
; c0e4 slot 6 ph2 off
|
||||
; c0e5 slot 6 ph2 on
|
||||
; c0e6 slot 6 ph3 off
|
||||
; c0e7 slot 6 ph3 on
|
||||
; c0e8 slot 6 motor off
|
||||
; c0e9 slot 6 motor on
|
||||
; c0ea slot 6 drive 1
|
||||
; c0eb slot 6 drive 2
|
||||
; c0ec slot 6 q6 off \ Q6 Q7
|
||||
; c0ed slot 6 q6 on |-- state machine 0 0 READ
|
||||
; c0ee slot 6 q7 off | 0 1 WRITE
|
||||
; c0ef slot 6 q7 on / 1 0 SENSE WRITE PROTECT
|
||||
; 1 1 WRITE LOAD
|
||||
|
||||
; write sector data
|
||||
|
||||
slotpatchw1:
|
||||
ldx #$d1 ; cycle num smc Q6 Q7
|
||||
lda $c08d, x ; prime drive 1 X
|
||||
lda $c08e, x ; required by Unidisk 1 0 ; senese wp?
|
||||
tya
|
||||
sta $c08f, x ; 1 1 ; write load
|
||||
ora $c08c, x ; 0 1 ; write
|
||||
|
||||
; 40 cycles
|
||||
|
||||
ldy #4 ; 2 cycles
|
||||
cmp $ea ; nop ; 3 cycles
|
||||
cmp ($ea,x) ; nop ; 6 cycles
|
||||
b5:
|
||||
jsr writenib1 ; (29 cycles)
|
||||
|
||||
; +6 cycles
|
||||
dey ; 2 cycles
|
||||
bne b5 ; 3/2nt
|
||||
|
||||
; 36 cycles
|
||||
; +10 cycles
|
||||
ldy #(prolog_e-prolog)
|
||||
; 2 cycles
|
||||
cmp $ea ; nop ; 3 cycles
|
||||
b6:
|
||||
lda prolog-1, y ; 4 cycles
|
||||
jsr writenib3 ; (17 cycles)
|
||||
|
||||
; 32 cycles if branch taken
|
||||
; +6 cycles
|
||||
dey ; 2 cycles
|
||||
bne b6 ; 3/2nt
|
||||
|
||||
; 36 cycles on first pass
|
||||
; +10 cycles
|
||||
tya ; 2 cycles
|
||||
ldy #$56 ; 2 cycles
|
||||
b7:
|
||||
eor bit2tbl-1, y ; 5 cycles
|
||||
tax ; 2 cycles
|
||||
lda xlattbl, x ; 4 cycles
|
||||
slotpatchw2:
|
||||
ldx #$d1 ; slot number smc ; 2 cycles
|
||||
sta $c08d, x ; wp sense ; 5 cycles
|
||||
lda $c08c, x ; read ; 4 cycles
|
||||
|
||||
; 32 cycles if branch taken
|
||||
|
||||
lda bit2tbl-1, y ; 5 cycles
|
||||
dey ; 2 cycles
|
||||
bne b7 ; 3/2nt
|
||||
|
||||
; 32 cycles
|
||||
; +9 cycles
|
||||
clc ; 2 cycles
|
||||
b88:
|
||||
eor encbuf, y ; 4 cycles
|
||||
b8:
|
||||
tax ; 2 cycles
|
||||
lda xlattbl, x ; 4 cycles
|
||||
slotpatchw3:
|
||||
ldx #$d1 ; slot number smc ; 2 cycles
|
||||
sta $c08d, x ; wp sense ; 5 cycles
|
||||
lda $c08c, x ; read ; 4 cycles
|
||||
bcs f1 ; 3/2nt
|
||||
|
||||
; 32 cycles if branch taken
|
||||
|
||||
lda encbuf, y ; 4 cycles
|
||||
iny ; 2 cycles
|
||||
bne b88 ; 3/2nt
|
||||
|
||||
; 32 cycles
|
||||
; +10 cycles
|
||||
sec ; 2 cycles
|
||||
bcs b8 ; 3 cycles
|
||||
|
||||
; 32 cycles
|
||||
; +3 cycles
|
||||
f1:
|
||||
ldy #(epilog_e-epilog)
|
||||
; 2 cycles
|
||||
cmp ($ea,x) ; nop ; 6 cycles
|
||||
b9:
|
||||
lda epilog-1, y ; 4 cycles
|
||||
jsr writenib3 ; (17 cycles)
|
||||
|
||||
; 32 cycles if branch taken
|
||||
; +6 cycles
|
||||
dey ; 2 cycles
|
||||
bne b9 ;3/2nt
|
||||
|
||||
lda $c08e, x ; read/wp
|
||||
lda $c08c, x ; read
|
||||
lda $c088, x ; motor off
|
||||
rts ; 6 cycles
|
||||
|
||||
writenib1:
|
||||
cmp ($ea,x) ; nop ; 6 cycles
|
||||
cmp ($ea,x) ; nop ; 6 cycles
|
||||
writenib3:
|
||||
slotpatchw4:
|
||||
ldx #$d1 ; slot number ; 2 cycles
|
||||
writenib4:
|
||||
sta $c08d, x ; wp sense? ; 5 cycles
|
||||
ora $c08c, x ; read ; 4 cycles
|
||||
rts ; 6 cycles
|
||||
|
||||
prolog: .byte $ad, $aa, $d5
|
||||
prolog_e:
|
||||
epilog: .byte $ff, $eb, $aa, $de
|
||||
epilog_e:
|
||||
|
||||
xlattbl:
|
||||
.byte $96,$97,$9A,$9B,$9D,$9E,$9F,$A6
|
||||
.byte $A7,$AB,$AC,$AD,$AE,$AF,$B2,$B3
|
||||
.byte $B4,$B5,$B6,$B7,$B9,$BA,$BB,$BC
|
||||
.byte $BD,$BE,$BF,$CB,$CD,$CE,$CF,$D3
|
||||
.byte $D6,$D7,$D9,$DA,$DB,$DC,$DD,$DE
|
||||
.byte $DF,$E5,$E6,$E7,$E9,$EA,$EB,$EC
|
||||
.byte $ED,$EE,$EF,$F2,$F3,$F4,$F5,$F6
|
||||
.byte $F7,$F9,$FA,$FB,$FC,$FD,$FE,$FF
|
||||
|
|
|
|||
|
|
@ -1,4 +1,6 @@
|
|||
load_file =$0b20
|
||||
sector_write =$0c63
|
||||
requested_sector =$0d17
|
||||
decompress_lzsa2_fast =$0de6
|
||||
getsrc_smc =$0edc
|
||||
hgr2 =$16e3
|
||||
|
|
@ -23,3 +25,5 @@ hgr_put_char_cursor =$0f15
|
|||
vgi_simple_rectangle =$12ef
|
||||
hposn_high = $BA00
|
||||
hposn_low = $BB00
|
||||
driveoff = $A22
|
||||
driveon = $A9D
|
||||
|
|
|
|||
|
|
@ -20,7 +20,7 @@
|
|||
.byte $00 ; KERREK_STATE = $9C
|
||||
.byte $00 ; ARROW_SCORE = $9D
|
||||
.byte $01 ; SCORE_HUNDREDS= $9E
|
||||
.byte $09 ; SCORE_TENSONES= $9F
|
||||
.byte $39 ; SCORE_TENSONES= $9F
|
||||
.byte $FF ; INVENTORY_1 = $A0
|
||||
.byte $FF ; INVENTORY_2 = $A1
|
||||
.byte $FF ; INVENTORY_3 = $A2
|
||||
|
|
|
|||
Loading…
Reference in New Issue