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pt3_lib: make apple iic support conditional

This commit is contained in:
Vince Weaver 2021-05-30 21:13:26 -04:00
parent e3f4822d77
commit 51f6dac0e8
3 changed files with 15 additions and 0 deletions
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2
music/pt3_lib/pt3_lib_mockingboard_detect.s
View File

@ -39,6 +39,7 @@ mockingboard_detect:
; I get the impression the Mockingboard 4c activates ; I get the impression the Mockingboard 4c activates
; when you access any of the 6522 ports in Slot 4 ; when you access any of the 6522 ports in Slot 4
.ifdef PT3_ENABLE_APPLE_IIC
lda APPLEII_MODEL lda APPLEII_MODEL
cmp #'C' cmp #'C'
bne not_iic bne not_iic
@ -49,6 +50,7 @@ mockingboard_detect:
sta MOCK_6522_DDRA1 sta MOCK_6522_DDRA1
sta MOCK_6522_T1CL sta MOCK_6522_T1CL
.endif
not_iic: not_iic:
lda #$00 lda #$00

2
music/pt3_lib/pt3_lib_mockingboard_setup.s
View File

@ -170,6 +170,7 @@ clear_ay_end:
;============================= ;=============================
mockingboard_setup_interrupt: mockingboard_setup_interrupt:
.ifdef PT3_ENABLE_APPLE_IIC
lda APPLEII_MODEL lda APPLEII_MODEL
cmp #'C' cmp #'C'
bne done_iic_hack bne done_iic_hack
@ -216,6 +217,7 @@ write_rom_loop:
lda #$EA ; nop out the "lda $45" in the irq handler lda #$EA ; nop out the "lda $45" in the irq handler
sta interrupt_smc sta interrupt_smc
sta interrupt_smc+1 sta interrupt_smc+1
.endif
done_iic_hack: done_iic_hack:

11
music/pt3_lib/pt3_test.s
View File

@ -20,6 +20,12 @@ PT3_LOC = song
; PT3_USE_ZERO_PAGE = 1 ; PT3_USE_ZERO_PAGE = 1
; Comment this to disable Apple IIc support which will free a small amount
; of room
PT3_ENABLE_APPLE_IIC = 1
;============================= ;=============================
; Setup ; Setup
;============================= ;=============================
@ -43,7 +49,9 @@ pt3_setup:
; IRQ setup is different on IIc ; IRQ setup is different on IIc
; You can possibly skip this if you only care about II+/IIe ; You can possibly skip this if you only care about II+/IIe
.ifdef PT3_ENABLE_APPLE_IIC
jsr detect_appleii_model jsr detect_appleii_model
.endif
;======================= ;=======================
; Detect mockingboard ; Detect mockingboard
@ -208,7 +216,10 @@ found_message: .asciiz "FOUND SLOT#4"
;routines ;routines
;========= ;=========
.ifdef PT3_ENABLE_APPLE_IIC
.include "pt3_lib_detect_model.s" .include "pt3_lib_detect_model.s"
.endif
.include "pt3_lib_core.s" .include "pt3_lib_core.s"
.include "pt3_lib_init.s" .include "pt3_lib_init.s"
.include "pt3_lib_mockingboard_setup.s" .include "pt3_lib_mockingboard_setup.s"