wn/sound-experiment-02
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

macros

Browse Source
This commit is contained in:
Wolfgang Hottgenroth 2024-06-13 15:04:55 +02:00
parent dd7fc7ebd1
commit 9e78f9a0cd
1 changed files with 6 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
gen-driver.S
View File

@ -10,6 +10,7 @@
#define PORT_LATI0_BIT BIT2 #define PORT_LATI0_BIT BIT2
#define PORT_LATI1_BIT BIT3 #define PORT_LATI1_BIT BIT3
.altmacro
.macro set_data_bit .macro set_data_bit
bic #PORT_SID_BIT, &PORT_REG bic #PORT_SID_BIT, &PORT_REG
@ -45,22 +46,11 @@ genShifter:
// R12 aka CHIP_ID_REGISTER: chip id, 0 or 1 // R12 aka CHIP_ID_REGISTER: chip id, 0 or 1
// R13 aka DATA_REGISTER: frequency code, full 16 bit // R13 aka DATA_REGISTER: frequency code, full 16 bit
data_cycle 0 .set counter, 0
data_cycle 1 .rept 16
data_cycle 2 data_cycle %counter
data_cycle 3 .set counter, counter + 1
data_cycle 4 .endr
data_cycle 5
data_cycle 6
data_cycle 7
data_cycle 8
data_cycle 9
data_cycle a
data_cycle b
data_cycle c
data_cycle d
data_cycle e
data_cycle f
tst.w CHIP_ID_REGISTER tst.w CHIP_ID_REGISTER
jnz genShifter_chip_1 jnz genShifter_chip_1