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sa: got it just barely squeezed into memory

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This commit is contained in:
Vince Weaver 2018-06-05 14:45:35 -04:00
parent e7dc17a39a
commit fa188dbfe0
5 changed files with 22 additions and 6 deletions
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12
linker_scripts/apple2_5900.inc Normal file
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@ -0,0 +1,12 @@
MEMORY {
ZP: start = $00, size = $1A, type = rw;
RAM: start = $5900, size = $5000, file = %O;
}
SEGMENTS {
CODE: load = RAM, type = ro, align = $100;
RODATA: load = RAM, type = ro;
DATA: load = RAM, type = rw;
BSS: load = RAM, type = bss, define = yes;
ZEROPAGE: load = ZP, type = zp;
}

4
still_alive/Makefile
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@ -6,14 +6,14 @@ TOKENIZE = ../asoft_basic-utils/tokenize_asoft
all: still_alive.dsk
still_alive.dsk: SA_COMPRESSED STILL_ALIVE TITLE.BAS ENDING
$(DOS33) -y still_alive.dsk BSAVE -a 0x5a00 SA_COMPRESSED
$(DOS33) -y still_alive.dsk BSAVE -a 0x5900 SA_COMPRESSED
$(DOS33) -y still_alive.dsk BSAVE -a 0x0800 STILL_ALIVE
$(DOS33) -y still_alive.dsk BSAVE -a 0x1800 ENDING
$(DOS33) -y still_alive.dsk SAVE A TITLE.BAS
# $(DOS33) -y still_alive.dsk SAVE B GLADOS.HGR
SA_COMPRESSED: sa_compressed.o
ld65 -o SA_COMPRESSED sa_compressed.o -C ../linker_scripts/apple2_5a00.inc
ld65 -o SA_COMPRESSED sa_compressed.o -C ../linker_scripts/apple2_5900.inc
sa_compressed.o: sa_compressed.s \
STILL_ALIVE.lz4 ENDING.lz4 SA.ED.lz4 SA.KR4.lz4

2
still_alive/mockingboard_a.s
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@ -121,6 +121,7 @@ clear_ay_left_loop:
bpl clear_ay_left_loop
rts
.if 0
;=======================================
; Detect a Mockingboard card
;=======================================
@ -204,3 +205,4 @@ mb4_not_in_this_slot:
ldx #00
beq done_mb4_detect
.endif

10
still_alive/sa_mb.s
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@ -21,13 +21,15 @@ still_alive_mb:
; call mockingboard detect?
jsr mockingboard_detect_slot4 ; call detection routine
cpx #$1
beq mockingboard_found
; ASSUME FOUND TO SAVE ROOM
; jsr mockingboard_detect_slot4 ; call detection routine
; cpx #$1
; beq mockingboard_found
; Not found.
; Print a message for debugging?
jmp forever_loop ; and wait forever
; jmp forever_loop ; and wait forever
mockingboard_found:

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still_alive/still_alive.dsk
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