diff options
Diffstat (limited to 'cmpen472hw9_McDonnell/Sources/main.asm')
| -rw-r--r-- | cmpen472hw9_McDonnell/Sources/main.asm | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/cmpen472hw9_McDonnell/Sources/main.asm b/cmpen472hw9_McDonnell/Sources/main.asm index cab5646..70443e6 100644 --- a/cmpen472hw9_McDonnell/Sources/main.asm +++ b/cmpen472hw9_McDonnell/Sources/main.asm @@ -133,6 +133,8 @@ pgstart lds #$3100 ; initialize the stack pointer jsr Zeros ; Zero out inputBuffer cli ; Enable interrupts jsr PrintTime ; Jump to PrintTime to write to serial console + ldx #spacer ; Load the address of spacer into X + jsr WriteString ; Write the spacer string to the output jsr PrintPrompt ; Jump to PrintPrompt to write to serial console mainLoop ldx #inputBuffer ; Load the address of inputBuffer into X @@ -150,6 +152,8 @@ mainLoop sei ; Disable interrupts jsr PrintTime ; Jump to PrintTime to print new time + ldx #spacer ; Load the address of spacer into X + jsr WriteString ; Write the spacer string to the output jsr PrintPrompt ; Jump to PrintPrompt to write to serial console cli ; Enable interrupts @@ -219,6 +223,8 @@ rtiisr bset CRGFLG,%10000000; Clear RTI Interrupt Flag ldx #0 ; Reset the hours stx hours ; Save the updated hours rtidone jsr PrintTime ; Jump to PrintTime + ldx #spacer ; Load the address of spacer into X + jsr WriteString ; Write the spacer string to the output jsr PrintPrompt ; Jump to PrintPrompt rtiSkip RTI ; Return from RTI ISR @@ -281,11 +287,6 @@ goodMins ldy #buffer ; Load the address of buffer into Y pula ; Restore A from the stack goodSecs ldy #buffer ; Load the address of buffer into Y jsr PrintDecimalWord; Print the number to the serial - ldaa #' ' ; Load ' ' character into A - jsr putchar ; Write the character to the serial console - jsr putchar ; Write the character to the serial console - jsr putchar ; Write the character to the serial console - jsr putchar ; Write the character to the serial console ldaa outputBuf ; Load outputBuf into A cmpa #'h' ; Compare A to 'h' bne pTimeIsM ; If A != 'h', branch to pTimeIsM @@ -535,6 +536,13 @@ sDone cpd #9999 ; Compare D to 9999 (Max output) blt sOverflow ; Branch to sOverflow if D < -9999 sei ; Disable Interrupts jsr PrintTime ; Print Time to serial + psha ; Save A to the stack + ldaa #' ' ; Load the space character into A + jsr putchar ; Print the space character to the serial console + jsr putchar ; Print the space character to the serial console + jsr putchar ; Print the space character to the serial console + jsr putchar ; Print the space character to the serial console + pula ; Restore A from the stack pulx ; Restore X from the stack pshx ; Save X to the stack jsr WriteString ; Write original equation to serial console @@ -547,14 +555,12 @@ sDone cpd #9999 ; Compare D to 9999 (Max output) pula ; Restore A from the stack ldy #buffer ; Load address of buffer into Y jsr PrintDecimalWord; Print the answer to the Serial console - ldaa #' ' ; Load a space character into A - jsr putchar ; Write space character to serial - jsr putchar ; Write space character to serial - jsr putchar ; Write space character to serial - jsr putchar ; Write space character to serial - jsr PrintPrompt ; Write CMD prompt to serial clra ; Clear A staa operator ; Clear operator + jsr PrintTime ; Print the time to the serial console + ldx #spacer ; Load the address of spacer into X + jsr WriteString ; Write the spacer string to the output + jsr PrintPrompt ; Write CMD prompt to serial cli ; Enable Interrupts puld ; Restore D from the stack puly ; Restore Y from the stack @@ -954,6 +960,9 @@ overflow dc.b 'Overflow Error',NULL ; Overflow error message twMsg dc.b CR,LF,'Clock stopped and Typewrite program started.',CR,LF dc.b 'You may type below.',CR,LF,NULL +; spacer: the white space between time and cmd prompt +spacer dc.b ' ',NULL + ; msg: this is the main option menu string msg dc.b 'Commands:',CR,LF dc.b 't: Set the time in format HH:MM:SS',CR,LF |