diff options
| author | Christian Pointner <equinox@mur.at> | 2012-06-17 11:51:10 +0000 |
|---|---|---|
| committer | Christian Pointner <equinox@mur.at> | 2012-06-17 11:51:10 +0000 |
| commit | c171ed2cbb0d8dfdf7ce516c644da9f36582b18c (patch) | |
| tree | c8f4b6b6ee19e15e798eccf1653b6e73802afe6f /software/idm/idm.asm | |
| parent | some c-code translated to asm (diff) | |
idm cmd parsing
git-svn-id: https://svn.spreadspace.org/mur.sat@537 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software/idm/idm.asm')
| -rw-r--r-- | software/idm/idm.asm | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/software/idm/idm.asm b/software/idm/idm.asm index f1cd094..6b41e3f 100644 --- a/software/idm/idm.asm +++ b/software/idm/idm.asm @@ -161,9 +161,29 @@ int_spi movlb b'00000100' movf SSP1BUF,w movwf CMD + btfsc STATUS,Z + goto int_spi_0 + movlw 'r' + xorwf CMD,w + btfsc STATUS,z + goto int_spi_r + ;; other commands + goto int_end +int_spi_0 + call rbuf_next + movf INDFR + btfss underrun movwf SSP1BUF + goto int_end +int_spi_r + movf INDFR + btfss underrun + movwf SSP1BUF + bsf CMD_READ + ;; goto int_end + int_end movlb .31 movf FSR0H,w @@ -189,11 +209,9 @@ int_end buf_init movlw BUF_STARTH movwf FSRWH - movlw BUF_STARTL - movwf FSRWL - movlw BUF_STARTH movwf FSRRH movlw BUF_STARTL + movwf FSRWL movwf FSRRL bcf OVERRUN bsf UNDERRUN @@ -201,7 +219,6 @@ buf_init movf BSR,w clrf BSR - bsf INT bsf DBG1 bcf DBG2 movwf BSR @@ -315,7 +332,6 @@ init bcf FILTER_EN bsf INT - call buf_init bsf T2CON,TMR2ON @@ -324,12 +340,8 @@ init ;; ------------------------------------- ;; MAINLOOP main - btfsc DBG0 goto main - call rbuf_next - goto main - ;; ------------------------------------- ;; END end |